● 220 entries
Attacks & Threats
- Account Takeover (ATO)An attack in which a criminal gains unauthorised control of a legitimate user account and uses it to steal funds, data, or commit further fraud.
- Advanced Persistent Threat (APT)A stealthy, well-resourced threat actor — typically state-sponsored — that gains long-term, undetected access to a target network to steal data or pre-position for disruption.
- Adversary-in-the-Middle (AiTM) PhishingA phishing technique that places a reverse-proxy server between the victim and the real login page to relay credentials and steal the post-authentication session cookie, bypassing most MFA.
- AMSI BypassTechniques that disable, patch, or evade the Windows Antimalware Scan Interface so that scripts and in-memory payloads are not inspected by antivirus engines.
- AppInit_DLLsLegacy Windows persistence technique that abuses a registry value so a specified DLL is loaded into every user-mode process linking user32.dll.
- ARP SpoofingA local-network attack that sends forged ARP messages to bind the attacker's MAC address to another host's IP, redirecting traffic through the attacker.
- AS-REP RoastingAn Active Directory attack that requests Kerberos AS-REP messages for accounts with pre-authentication disabled, then cracks the returned encrypted blob offline to recover the user's password.
- ATM JackpottingAn attack in which the cash dispenser of an ATM is forced to spit out all its cash, either via physical access to the top box or via a network compromise.
- BadUSBA class of attacks that reprograms a USB device's controller firmware so it claims a malicious identity such as a keyboard, network adapter, or storage volume.
- BaitingA social-engineering attack that lures victims with an enticing physical or digital object designed to trigger malware execution or credential theft.
- BEAST AttackA 2011 chosen-plaintext attack on SSL 3.0 and TLS 1.0 CBC ciphers (CVE-2011-3389) by Rizzo and Duong that recovers HTTPS cookies via a predictable IV flaw.
- BIAS AttackA 2020 Bluetooth Impersonation AttackS technique (CVE-2020-10135) that exploits weak authentication in BR/EDR to impersonate a previously paired peer.
- BleedingToothA 2020 set of Linux BlueZ Bluetooth vulnerabilities, headlined by CVE-2020-12351, that permitted zero-click remote code execution on vulnerable Linux hosts.
- Bleichenbacher AttackA 1998 adaptive chosen-ciphertext attack by Daniel Bleichenbacher that recovers RSA plaintext when the server leaks whether PKCS#1 v1.5 padding is valid.
- Blind XSSA stored XSS variant where the payload fires in a context the attacker cannot directly see, typically an internal admin panel or back-office tool.
- BlueBorneA 2017 set of Bluetooth vulnerabilities discovered by Armis that allowed remote code execution and man-in-the-middle attacks on Android, iOS, Linux, and Windows.
- BluebuggingA Bluetooth attack that gains hidden, command-level control of a victim device — beyond passive data theft — to place calls, read messages, or relay audio.
- BluejackingA largely nuisance-level Bluetooth attack in which an attacker sends unsolicited messages or contacts to nearby discoverable Bluetooth devices.
- BluesnarfingAn attack that exploits Bluetooth vulnerabilities to read or copy data — contacts, messages, calendar entries, files — from a nearby device without the owner's consent.
- BrakToothA 2021 family of 16+ Bluetooth Classic vulnerabilities in commercial SoCs disclosed by researchers at the Singapore University of Technology and Design.
- BREACH AttackA 2013 side-channel attack that recovers HTTPS-protected secrets by exploiting HTTP-level compression and observing response sizes across attacker-influenced requests.
- Brute Force AttackAn attack that systematically tries every possible value — typically passwords, PINs, or keys — until the correct one is found.
- Bug Bounty ProgramA formal initiative through which an organisation invites external researchers to report security vulnerabilities and pays rewards based on impact.
- Business Email CompromiseA targeted fraud in which an attacker impersonates or takes over a corporate mailbox to trick an employee into wiring money, changing payment details, or sending sensitive data.
- BYOVD (Bring Your Own Vulnerable Driver)An attack technique where adversaries load a legitimately signed but vulnerable kernel driver, then exploit its flaw to gain kernel-level access and disable security tools.
- Callback PhishingA two-stage phishing attack in which a benign-looking email persuades the victim to call a phone number, where a human operator then walks them into installing malware.
- Card SkimmingTheft of payment-card data by capturing it at the point of entry, either via a hidden physical device or malicious script on a website checkout.
- CEO FraudA subtype of business email compromise in which an attacker impersonates a senior executive to pressure an employee into performing an unauthorised wire transfer or sensitive action.
- Chargeback FraudOften called 'friendly fraud': a cardholder makes a legitimate purchase, then disputes the charge with their issuer to obtain both the goods and a refund.
- ClickFix AttackA 2024-vintage social-engineering lure that displays a fake CAPTCHA, error dialog, or 'verify you're human' page instructing the victim to paste a pre-copied PowerShell command into Run, delivering info-stealers or loaders.
- ClickjackingA UI-redress attack that tricks users into clicking on something different from what they perceive by overlaying or hiding a target page inside an attacker-controlled page.
- Code InjectionA class of vulnerabilities where attacker-supplied data is interpreted and executed as code by an application, leading to arbitrary execution in its context.
- COM HijackingA persistence technique that redirects a Windows Component Object Model CLSID lookup to attacker code, executing it whenever a host process instantiates that object.
- Command InjectionAn attack where user input is passed unsanitized to an operating-system shell, causing the application to execute attacker-supplied commands.
- Conversation HijackingAn email attack in which a criminal injects malicious replies into an existing trusted email thread to deliver malware or fraudulent instructions.
- Cookie HijackingTheft and reuse of a user's HTTP cookies — typically session or authentication cookies — to impersonate that user against a web application.
- Cookie PoisoningAn attack that modifies the contents of HTTP cookies before they are sent back to a web application, in order to alter trust, identity, or business logic decisions.
- Coordinated Vulnerability Disclosure (CVD)A process in which a vulnerability finder, the affected vendor, and sometimes a coordinator agree on a timeline before publicly disclosing security flaws.
- CORS MisconfigurationAn insecure CORS policy that allows untrusted origins to read authenticated responses, often by reflecting the Origin header and returning Access-Control-Allow-Credentials: true.
- Credential StuffingAn automated attack that replays large lists of username/password pairs leaked from one service against other services, exploiting password reuse to take over accounts.
- Credit Card FraudUnauthorized use of payment-card data — from card-present skimming to card-not-present online theft and BIN attacks — to extract money from cardholders or merchants.
- CRIME AttackA 2012 side-channel attack by Rizzo and Duong that recovers HTTPS session cookies by exploiting TLS-level compression and observing ciphertext lengths.
- CRLF InjectionAn attack that inserts carriage-return and line-feed characters into HTTP headers, log files, or other text protocols to forge new lines and change semantics.
- Cron PersistenceLinux and Unix persistence technique that uses cron, anacron, or systemd timers to schedule attacker code so it re-executes at a chosen interval or system event.
- Cross-Site Request Forgery (CSRF)A web attack that forces an authenticated user's browser to send unwanted requests to a vulnerable site, causing state-changing actions without consent.
- Cross-Site Scripting (XSS)A web vulnerability that allows attackers to inject malicious scripts into pages viewed by other users, executing in the victim's browser under the site's origin.
- Cryptocurrency LaunderingThe process of obscuring the origin of cryptocurrency obtained from crime by moving it through mixers, chain-hopping, and exchanges before cashing out into fiat.
- CSV InjectionAn attack that embeds spreadsheet formulas into exported CSV files so that opening the file in Excel or Sheets executes attacker-controlled actions.
- CybersquattingRegistering domain names that contain trademarks or well-known brand names without authorization, typically to extract money from the rights holder or to deceive users.
- Dark WebA subset of the internet that requires special software such as Tor or I2P to access and that intentionally hides both client and server identities.
- Data BreachA confirmed security incident in which an unauthorised party accesses, exfiltrates, or discloses sensitive, protected, or confidential information.
- Data LeakAccidental or negligent exposure of sensitive data, usually through misconfiguration or human error rather than an active attacker breaking in.
- DDoS AmplificationA DDoS technique that abuses UDP-based services to reflect responses many times larger than the spoofed request, allowing small attackers to generate massive flood volumes.
- Deep WebAll web content that is not indexed by public search engines, including private databases, intranets, and authenticated portals; distinct from the dark web.
- Denial-of-Service (DoS) AttackAn attack that exhausts a system's bandwidth, compute, memory, or application resources so that legitimate users can no longer access the service.
- Device Code PhishingAn identity attack that abuses the OAuth 2.0 device authorization grant: the attacker starts a device-code flow and lures the victim into typing the resulting code on a legitimate login page, granting the attacker tokens for the victim's account.
- DHCP SpoofingAn attack in which an adversary replies to DHCP requests with crafted offers to push a malicious gateway, DNS server, or other options to victim clients.
- DHCP StarvationA Layer-2 denial-of-service attack that floods a DHCP server with bogus DISCOVER requests using spoofed MAC addresses until the address pool is exhausted.
- Dictionary AttackA targeted password-guessing attack that tries entries from a precompiled list of likely words, leaked passwords, and rule-mutated variations.
- Directory TraversalAn attack that uses crafted path sequences such as ../ to escape an application's intended directory and read or write arbitrary files on the server.
- Distributed Denial-of-Service (DDoS) AttackA denial-of-service attack carried out from many distributed sources simultaneously — typically a botnet — to overwhelm a target's bandwidth, infrastructure, or application.
- DLL HijackingAn attack that abuses Windows DLL search order to make a legitimate program load an attacker-controlled library instead of the intended one.
- DLL InjectionA code-injection technique that forces a target Windows process to load and execute an attacker-supplied dynamic-link library.
- DNS Amplification AttackA reflection DDoS attack that abuses open DNS resolvers by sending small queries with the victim's spoofed IP, causing resolvers to send large DNS responses to the victim.
- DNS Cache PoisoningAn attack that inserts forged records into a DNS resolver's cache so subsequent queries return attacker-chosen addresses until the TTL expires.
- DNS HijackingAn attack that redirects DNS resolution to attacker-controlled answers by modifying client settings, router configurations, resolver responses, or authoritative DNS records.
- DNS SpoofingAn attack that injects falsified DNS responses to redirect victims from a legitimate domain to an attacker-controlled IP address.
- Docker Socket AttackAbusing a container that has /var/run/docker.sock mounted to control the Docker daemon, escape the container, and gain root on the host.
- DOM-Based XSSAn XSS variant where the injection and execution happen entirely in the browser as client-side JavaScript writes untrusted data into a sink without sanitization.
- Domain Generation Algorithm (DGA)An algorithm used by malware to deterministically generate large numbers of candidate domain names so infected hosts can find their command-and-control server.
- Domain HijackingThe unauthorized takeover of control over a registered domain name at the registrar or registry level, allowing an attacker to redirect traffic, email, and trust to malicious infrastructure.
- Domain ShadowingAn attack in which a criminal compromises a legitimate domain owner's registrar account and silently creates malicious subdomains beneath the trusted parent domain.
- DoxxingPublishing or threatening to publish a person's private identifying information online with the intent to harass, intimidate, or facilitate harm.
- DragonbloodA family of side-channel and downgrade attacks against WPA3 SAE (Dragonfly) that can leak the Wi-Fi password to a nearby attacker.
- Drive-by DownloadAn attack in which malware is silently installed on a victim's device simply by visiting a compromised or malicious website.
- DTP AttackAn attack that abuses Cisco Dynamic Trunking Protocol on an access port to negotiate a trunk with the switch and gain access to multiple VLANs.
- Dumpster DivingSearching through an organisation's or person's discarded materials — paper, removable media, hardware — to recover sensitive information.
- Email SpoofingForging email headers so a message appears to come from a trusted sender, typically to enable phishing, fraud, or malware delivery.
- Eval InjectionA specific code-injection flaw caused by passing untrusted input to dynamic-evaluation primitives such as JavaScript eval() or Python eval/exec.
- Evil Maid AttackA physical attack in which an adversary briefly accesses an unattended device to tamper with firmware, bootloader, or hardware and steal secrets later.
- Evil Twin AttackA Wi-Fi attack in which an adversary stands up a rogue access point that mimics a legitimate SSID, so victims connect to it and expose traffic or credentials.
- Fast FluxA botnet DNS technique that rapidly rotates the IP addresses behind a malicious domain across many compromised hosts to resist takedown and blocking.
- FormjackingAn attack in which malicious JavaScript intercepts form submissions in a victim's browser and sends the entered data to a server controlled by the attacker.
- Fraggle AttackA UDP variant of the Smurf attack that sends spoofed UDP echo or chargen packets to a network's broadcast address, causing every responding host to flood the victim.
- FREAK AttackA 2015 TLS attack (CVE-2015-0204) that downgrades RSA key exchange to 512-bit export-grade keys and factors them to decrypt sessions.
- Gift Card FraudFraudulent purchase, draining or laundering of retail gift cards — a near-irreversible payment instrument that has become a favourite of scammers and BEC operators.
- Golden TicketA forged Kerberos Ticket-Granting Ticket signed with the krbtgt account hash that lets attackers impersonate any principal in a domain.
- Heap Feng ShuiDeterministic heap-grooming technique introduced by Alexander Sotirov in 2007 that arranges allocations to land vulnerable objects next to attacker-controlled ones.
- Heap SprayingAn exploitation primitive that fills the heap with many copies of a payload so that a corrupted pointer is highly likely to land on attacker-controlled data.
- Homograph Attack (IDN Homograph)A phishing technique that registers a domain using Unicode characters visually identical to ASCII ones — Cyrillic 'а' for Latin 'a', Greek omicron for Latin 'o' — so the attacker URL is indistinguishable from the legitimate one to the eye.
- HSRP / VRRP AttackAn attack that injects forged HSRP or VRRP messages with a higher priority to become the active gateway for a subnet and intercept traffic.
- I2PThe Invisible Internet Project: a peer-to-peer anonymity network where every node also acts as a router, using unidirectional tunnels and garlic routing.
- ICO ScamA fraudulent Initial Coin Offering in which the issuers raise cryptocurrency from investors based on false promises and disappear or collapse after the sale.
- Identity TheftThe misuse of another person's personal information to impersonate them, open accounts, obtain credit, claim benefits, or commit other fraud.
- IFEO InjectionA persistence and privilege-escalation technique that abuses the Windows Image File Execution Options registry key to run attacker code whenever a target executable launches.
- IMSI CatcherA fake cell-site that tricks nearby phones into revealing their IMSI/IMEI and, on weak networks, intercepting calls and SMS.
- Insecure File UploadA web vulnerability where an application accepts user-supplied files without proper validation, allowing attackers to upload malicious files that lead to RCE, defacement, or data theft.
- Integer UnderflowAn arithmetic flaw (CWE-191) in which subtracting from an unsigned value below zero wraps to a huge number, often enabling oversized allocations or buffer overruns.
- Invoice FraudA fraud in which attackers submit fake invoices, or alter genuine ones, so that payment is routed to attacker-controlled bank accounts.
- IP Fragmentation AttackA family of network attacks that abuses IP fragmentation - overlapping, undersized, or oversized fragments - to crash hosts, evade IDS/IPS, or trigger denial of service.
- IP SpoofingForging the source IP address of network packets to impersonate another host, bypass filters, or amplify denial-of-service attacks.
- JSONP VulnerabilityCross-origin data leak caused by JSONP endpoints that return sensitive, authenticated data wrapped in an attacker-supplied callback function.
- Juice JackingAn attack in which a public or malicious USB charging port is used to install malware or exfiltrate data from a phone that plugs in, by abusing the data lines of the USB cable.
- Jump-Oriented ProgrammingA code-reuse exploitation technique (Bletsch et al., 2011) that chains gadgets ending in indirect jumps via a dispatcher, providing an alternative to ROP without using ret.
- KARMA AttackA rogue access point attack in which a malicious AP answers every probe request, masquerading as any preferred network a client is looking for.
- KerberoastingAn offline password attack that requests Kerberos service tickets for service accounts and cracks the encrypted portion to recover their cleartext passwords.
- KNOB AttackA 2019 protocol flaw (CVE-2019-9506) allowing an attacker to force Bluetooth BR/EDR pairings down to one byte of effective entropy, enabling brute-force decryption.
- KRACK AttackA key reinstallation attack against WPA2 that forces nonce reuse in the four-way handshake, letting an attacker decrypt or replay Wi-Fi traffic.
- LAND AttackA legacy DoS attack that sends a spoofed TCP SYN packet whose source IP and port equal the destination, causing vulnerable systems to loop or crash.
- launchd PersistencemacOS persistence technique that installs a LaunchDaemon or LaunchAgent property list so launchd executes attacker code at boot, login, or on a trigger.
- LD_PRELOAD HijackingLinux persistence and library-hijacking technique that uses the LD_PRELOAD environment variable or /etc/ld.so.preload to inject attacker code into dynamically linked processes.
- LDAP InjectionAn injection attack that manipulates LDAP search filters or DNs through unsanitized input to bypass authentication or read directory data.
- Living off the LandAn attacker tradecraft style that abuses legitimate, pre-installed tools and scripts on a victim system instead of dropping custom malware.
- LLMNR PoisoningAn adversary-in-the-middle technique (MITRE T1557.001) that abuses the Link-Local Multicast Name Resolution protocol on UDP/5355 to redirect victims to attacker-controlled hosts.
- Local File Inclusion (LFI)A vulnerability that lets an attacker make a server include and execute or display local files chosen via unsanitized input.
- LogjamA 2015 TLS attack that downgrades Diffie-Hellman key exchange to weak 512-bit export-grade primes and uses precomputation to break them.
- LOLBin / LOLBASA signed, native binary or script (LOLBin/LOLBAS) that attackers misuse for execution, download, persistence, or bypass while looking like a legitimate admin tool.
- Lucky 13A 2013 TLS timing attack by AlFardan and Paterson that exploits MAC-then-encrypt CBC processing to act as a padding oracle and recover plaintext.
- MAC SpoofingChanging a network interface's hardware MAC address to impersonate another device, bypass MAC-based access controls, or evade tracking.
- Magecart AttackA category of digital-skimming attacks in which criminals inject malicious JavaScript into e-commerce checkout pages to steal payment-card data as customers enter it.
- Mail BombAn email-based denial-of-service attack that floods a mailbox or mail server with high volume or large messages to overwhelm storage, processing, or attention.
- Malicious npm PackageAn npm package that contains hidden code designed to steal data, install malware, or compromise downstream applications when installed.
- MalvertisingThe use of online advertising networks to distribute malware, exploits, or scams via legitimate-looking ads served on trusted websites.
- Man-in-the-Middle AttackAn attack in which an adversary secretly relays or alters communications between two parties who believe they are talking directly to each other.
- NBT-NS PoisoningAn adversary-in-the-middle attack that abuses legacy NetBIOS Name Service traffic on UDP/137 to spoof name responses and harvest NTLM authentications.
- NFT FraudAny scheme that exploits the NFT market to defraud buyers or creators, including rugpulls, wash trading, plagiarism, and wallet-draining smart contracts.
- NoSQL InjectionAn injection attack that manipulates the operators, JSON, or query DSL of a NoSQL database to bypass logic or extract data.
- NTLM Relay AttackAn adversary-in-the-middle attack (MITRE T1557.001) in which an attacker forwards a victim's NTLM authentication to another service to impersonate them without ever knowing the password.
- NTP Amplification AttackA reflection DDoS attack abusing the NTP MONLIST (and similar) commands to make NTP servers reply with very large packets to a spoofed victim address.
- OAuth Consent PhishingAn identity attack that abuses the OAuth consent flow: instead of stealing a password, the attacker tricks the victim into granting their malicious app standing permissions (mail.read, files.read.all) on the victim's tenant.
- one_gadget RCEAn exploitation shortcut in CTFs and real exploits that calls a single libc address to spawn a shell, provided register and stack constraints are met.
- Onion RoutingAn anonymous communication technique that wraps a message in nested layers of encryption, with each relay removing one layer until the payload reaches its destination.
- Open RedirectA vulnerability where an application forwards users to a URL supplied in a request parameter without validating it, enabling phishing and credential-harvesting campaigns.
- ORM InjectionAn injection attack against applications using an Object-Relational Mapper that abuses dynamic queries, mass-assignment, or raw query escape hatches to manipulate data access.
- Out-of-Bounds ReadA memory-safety bug (CWE-125) where software reads data before, after, or otherwise outside the intended buffer, leaking adjacent memory contents.
- Padding Oracle AttackA cryptographic attack (Vaudenay 2002) that decrypts CBC ciphertext when a server reveals whether a tampered message has correct PKCS#7 padding.
- Pass-the-HashA credential-reuse attack that authenticates to Windows systems using a stolen NTLM password hash instead of the cleartext password.
- Pass-the-TicketAn Active Directory attack that reuses a stolen Kerberos ticket to impersonate a user or service without ever knowing the underlying password.
- Password SprayingA low-and-slow attack that tries a small set of common passwords against many user accounts, staying under lockout and rate-limit thresholds.
- Payment FraudAny deceptive scheme that diverts money through the payment system, covering card, wire, ACH, real-time-payment and digital-wallet abuse.
- PharmingAn attack that silently redirects users from a legitimate site to a malicious one by tampering with DNS, hosts files, or local routing — without requiring the victim to click a link.
- PhishingA social-engineering attack in which an attacker impersonates a trusted party to trick a victim into revealing credentials, transferring money, or running malware.
- PhreakingThe classic art of manipulating telephone systems — originally analog PSTN, now VoIP and SS7 — to make free or unauthorized calls.
- Pig Butchering ScamA long-running romance and investment scam in which criminals build a relationship with the victim, then steer them into a fake cryptocurrency platform that ultimately steals all deposits.
- PiggybackingUnauthorized physical or logical access gained when an authorized person knowingly allows an attacker to follow them past an access control.
- Ping of DeathA legacy denial-of-service attack that sends malformed or oversized ICMP echo packets, causing vulnerable TCP/IP stacks to crash, hang, or reboot when reassembling them.
- Pixie Dust AttackAn offline attack that recovers the WPS PIN of a vulnerable access point in seconds by exploiting weak nonces in the WPS registration protocol.
- PMKID AttackAn offline WPA/WPA2-PSK cracking method that derives the passphrase from a single PMKID field captured from an access point, no client needed.
- Polyfill.io Supply-Chain Attack (2024)A June 2024 supply-chain compromise in which the polyfill.io CDN, after being acquired by a Chinese-linked company, began serving malicious JavaScript to an estimated 100,000+ sites embedding its widely-used `<script>` tag.
- PretextingA social-engineering technique in which an attacker invents a believable scenario or identity to manipulate a target into disclosing information or performing an action.
- Process InjectionA family of evasion techniques in which an attacker runs malicious code inside the address space of a legitimate process to inherit its trust and identity.
- Promiscuous ModeA network-interface mode in which the NIC delivers every frame on the wire to the operating system, enabling passive sniffing of traffic on a shared or mirrored segment.
- ProtestwareOpen-source software whose maintainer adds politically motivated code that displays a message or sabotages users perceived to be in a targeted country.
- Quid Pro Quo AttackA social-engineering attack in which the attacker offers a service or benefit in exchange for information or access from the victim.
- QuishingPhishing that hides a malicious URL inside a QR code, prompting victims to scan it with a phone and visit a credential-harvesting or malware page outside corporate defenses.
- Quishing (QR Code Phishing)A phishing technique that uses a QR code instead of a clickable link to send victims to a credential-harvesting or malware page.
- Rainbow Table AttackA precomputation attack that uses chains of hash and reduction functions stored in a compact table to invert unsalted password hashes much faster than brute force.
- Reflected XSSA non-persistent XSS where attacker-controlled input from a request is immediately reflected into the response and executed in the victim's browser.
- Registry Run Key PersistenceClassic Windows persistence technique that adds an entry under a Run or RunOnce registry key so a binary or script executes every time a user logs on.
- Relay AttackAn attack that forwards an authentication exchange in real time between two parties, so the attacker is authenticated without ever knowing the credentials.
- Remote File Inclusion (RFI)A vulnerability that lets an attacker force a server to fetch and execute code from a remote URL of their choosing.
- Replay AttackAn attack that captures legitimate network traffic — typically authentication tokens or transactions — and retransmits it later to impersonate the original sender.
- Responder AttackAn attack that uses Laurent Gaffie's Responder tool to poison LLMNR, NBT-NS, and mDNS, run rogue authentication servers, and capture or relay NTLM credentials on a local network.
- ROBOT AttackA 2017 resurrection of Bleichenbacher's 1998 RSA PKCS#1 v1.5 padding oracle on TLS servers, enabling session decryption or impersonation.
- Rogue Access PointAn unauthorised wireless access point connected to a network, either installed maliciously by an attacker or naively by an employee, that bypasses network security controls.
- Rogue DHCP ServerAn unauthorized DHCP server connected to a network that hands out IP configurations to clients, intentionally or accidentally redirecting traffic to attacker-controlled infrastructure.
- Romance ScamA long-running social-engineering fraud in which an attacker builds a fake romantic relationship with a victim and then exploits that trust to extract money, gifts, or sensitive information.
- RTLO Override (Right-to-Left Override Attack)A filename and string obfuscation technique that inserts the U+202E Unicode right-to-left override character to flip the rendered order of characters, masking executables as PDFs, images, or docs.
- Scheduled Task PersistencePersistence and execution technique in which an attacker creates or modifies a Windows scheduled task to run their payload on a trigger such as logon, boot, or a timer.
- Server-Side Request Forgery (SSRF)A web vulnerability that allows an attacker to coerce a server into making HTTP or other network requests on their behalf, often against internal systems.
- Server-Side Template InjectionAn attack that injects template-engine syntax into untrusted input, leading to code execution on the server when the template is rendered.
- Session HijackingAn attack that takes over a victim's authenticated session by stealing or forging the session identifier so the attacker can act as the user without their credentials.
- SextortionExtortion based on the threat to publish or share intimate images, real or fabricated, unless the victim pays money or complies with further demands.
- Shoulder SurfingObserving someone's screen, keyboard, or PIN pad over their shoulder — directly or via cameras — to steal credentials, codes, or sensitive information.
- Silver TicketA forged Kerberos service ticket (TGS) created with the password hash of a target service account, granting silent access to that one service.
- SIM CloningCopying the secret key Ki from a SIM card so that a second card can impersonate the original on the mobile network.
- SIM SwappingA fraud technique in which an attacker tricks or bribes a mobile carrier into transferring a victim's phone number to a SIM the attacker controls.
- SIP AttackAn attack against Session Initiation Protocol services, ranging from extension enumeration and password bruteforcing to toll fraud and call hijacking.
- SMB Relay AttackA specific NTLM relay variant in which an attacker forwards a victim's SMB authentication to another SMB server to gain code execution or file access as the victim.
- SmishingPhishing delivered via SMS or other mobile-messaging channels to trick victims into clicking malicious links, calling fraudulent numbers, or revealing data.
- Smurf AttackA legacy amplification DDoS that sends ICMP echo requests to a network's broadcast address with the victim's IP spoofed as the source, causing every host on that network to reply to the victim.
- Social EngineeringThe psychological manipulation of people into performing actions or disclosing confidential information that benefits an attacker.
- Spam (Email)Unsolicited bulk email sent indiscriminately to many recipients, typically for advertising, fraud, malware distribution, or as a delivery vector for phishing.
- Spanning-Tree Protocol AttackA Layer-2 attack that injects forged BPDU frames to manipulate the Spanning-Tree topology, often electing the attacker's host as the root bridge to enable MITM or DoS.
- Spear PhishingA targeted phishing attack tailored to a specific individual or organization using personal or professional details collected in advance.
- SQL InjectionA code-injection attack that smuggles attacker-controlled SQL into a database query, letting the attacker read, modify, or destroy data.
- SS7 AttackAbuse of Signalling System No. 7 inter-carrier messages to locate subscribers, intercept SMS or divert calls anywhere in the world.
- SSL/TLS Downgrade AttackAn active man-in-the-middle attack that forces a client and server to negotiate a weaker protocol version, cipher, or key size to enable further compromise.
- StarjackingA supply-chain trick where a malicious package falsely links to a popular GitHub repository so it appears to inherit that project's stars, forks, and credibility.
- StingrayA commercial cell-site simulator originally made by Harris Corporation that mimics a base station to collect IMSIs and track or intercept mobile devices.
- Stored Procedure AbuseExploiting privileged or insecure database stored procedures to execute arbitrary SQL, run OS commands, or escalate privileges from the database layer.
- Stored XSSA persistent cross-site scripting flaw where attacker-supplied script is saved on the server and later executed in every visitor's browser.
- Supply Chain AttackAn attack that compromises a trusted third-party software, hardware, or service provider in order to reach its downstream customers.
- SwattingA criminal hoax in which a false emergency report is filed to provoke an armed police response, typically a SWAT team, against an unsuspecting victim's address.
- SYN FloodA TCP-based denial-of-service attack that sends many SYN packets without completing the three-way handshake, exhausting the target's connection-state resources.
- TabnabbingAn attack where a background or newly opened browser tab silently rewrites itself to look like a trusted login page, hoping the user returns and re-enters credentials.
- TailgatingA physical intrusion technique where an attacker slips through an access control by closely following an authorized person without their consent or awareness.
- TCP Reset InjectionAn attack that forges TCP RST segments matching an existing connection so endpoints abruptly close it, breaking or hijacking the session.
- Teardrop AttackA legacy DoS attack that sends IP fragments with overlapping, malformed offsets to crash TCP/IP stacks that mishandle reassembly.
- Tech Support ScamA fraud in which attackers pose as technical support agents from a well-known vendor to convince victims to install remote-access tools, hand over credentials, or pay for fake services.
- Terrapin Attack (CVE-2023-48795)A 2023 prefix-truncation flaw in the SSH transport protocol that allows an active network attacker to silently downgrade or strip extensions during the handshake, weakening features like keystroke timing protection.
- Tor / Tor BrowserAn anonymity network and hardened Firefox-based browser that routes traffic through three relays using onion routing to conceal user identity and destination.
- TunnelVision (CVE-2024-3661)A 2024 attack that abuses DHCP option 121 (classless static routes) on an attacker-controlled network to override a VPN's routing table, sending the victim's plaintext traffic outside the encrypted tunnel.
- Typosquatted PackageA malicious open-source package published under a name that closely resembles a popular library so that developers install it by mistake.
- TyposquattingRegistering domain names or package names that are misspellings or visual look-alikes of legitimate ones, to catch users or developers who make typing or recognition errors.
- UAC BypassA Windows technique that elevates a medium-integrity process to high integrity without prompting the user, typically by abusing auto-elevating signed binaries.
- USB Rubber DuckyA USB device sold by Hak5 that masquerades as a keyboard and injects pre-programmed keystrokes at machine speed when plugged into a target computer.
- VishingPhishing conducted over voice channels — phone calls or VoIP — to manipulate victims into revealing credentials, payments, or remote access.
- VLAN HoppingA switch attack that lets a host send or receive frames in a VLAN it should not belong to by abusing trunking negotiation or 802.1Q double tagging.
- WardrivingThe act of driving, walking or flying through an area while logging Wi-Fi access points, their SSIDs and locations to build wireless coverage maps.
- Watering Hole AttackA targeted attack that compromises a website frequently visited by a specific group of users in order to infect them when they browse it.
- Web Skimmer / E-SkimmingMalicious code injected into a website that steals payment-card or personal data as customers type it into the page.
- WhalingA spear-phishing attack aimed at senior executives or other high-value targets, typically seeking large fraudulent payments or access to strategic information.
- Wi-Fi PineappleA commercial wireless auditing platform from Hak5 that automates rogue access point, evil-twin, and man-in-the-middle attacks, widely used in red-team engagements.
- WMI Event Subscription PersistencePersistence technique that registers a permanent WMI event filter and consumer so attacker code runs whenever a chosen system event occurs.
- WPS AttackAn online brute-force attack on the eight-digit Wi-Fi Protected Setup PIN that recovers the WPA/WPA2 passphrase in hours.
- XML InjectionAn attack that inserts malicious XML tags, attributes, or XPath fragments into an application's XML processing to alter logic or extract data.
- XPath InjectionAn injection flaw in which untrusted input alters an XPath query against an XML document, allowing data exfiltration or authentication bypass.
- XXE AttackAn attack against XML parsers that abuses external entity resolution to read files, scan internal networks, or trigger denial of service.
- XZ Utils Backdoor (CVE-2024-3094)A nearly successful 2024 supply-chain attack in which a long-term contributor planted an obfuscated SSH backdoor in the upstream xz/liblzma library shipped by most Linux distributions.