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This glossary includes the most common terms and expressions TechCrunch uses in our security reporting, and explanations of how — and why — we use them. © 2024 TechCrunch. All rights reserved. For personal use only.
Analysis Summary
# Main Topic
TechCrunch Glossary of Common Security Terminology
## Key Points
- The document serves as a developing compendium explaining specific security words and expressions TechCrunch uses in its reporting, detailing how and why they are used.
- It defines core concepts crucial for understanding cybersecurity narratives.
## Threat Actors
- **Advanced Persistent Threat (APT):** Typically well-resourced hackers or groups (often nation-state associated, e.g., China, Iran, North Korea, Russia) aiming for long-term, undetected access for espionage, data theft, or sabotage.
- **Non-Nation State Groups:** Financially motivated cybercriminal groups are increasingly carrying out attacks with persistence and capabilities similar to traditional APTs.
- **Black Hat Hackers:** Individuals who hack illegally for personal gain or financial motives (cybercriminals).
- **White Hat Hackers:** Individuals who hack within legal bounds, often for penetration testing or bug bounty disclosure.
- **Gray Hat Hackers:** Those whose motivations for hacking are less clearly defined than black or white hats.
## TTPs
- **Advanced Persistent Threat:** Maintaining unauthorized, undetected access for extended periods.
- **Arbitrary Code Execution (ACE):** The ability to run malicious code/commands on a system, often used to plant backdoors for persistent access or to deploy malware.
- Distinguished from **Remote Code Execution (RCE)** when ACE is achieved over the internet.
- **Botnet Operations:** Creating networks of compromised internet-connected devices (webcams, routers) controlled via a Command-and-Control (C2) server to:
- Mask cybercriminal traffic.
- Deliver malware.
- Conduct Distributed Denial of Service (DDoS) attacks using collective bandwidth.
## Affected Systems
- Specific systems are not detailed as this is a glossary, but the following are mentioned as being susceptible to compromise:
- General targeted systems (for APTs).
- Internet-connected devices (webcams, home routers) for botnet creation.
- Any software/hardware susceptible to a **Vulnerability**.
## Mitigations
- **Vulnerability (Security Flaw):** A bug causing unexpected behavior that affects security; defense involves patching/remediation.
- **Vulnerability Chaining:** Using multiple vulnerabilities in conjunction to achieve deeper system access.
- **Zero-Day:** A vulnerability exploited before the vendor has a fix; mitigation is challenging due to the lack of an immediate patch.
- **VPNs:** Mentioned as a tool used by individuals to avoid online surveillance, though the use of VPNs requires careful consideration regarding actual privacy benefits.
## Conclusion
This glossary provides foundational knowledge for threat analysis, defining key behaviors of sophisticated attackers (APTs), methods of initial compromise (Arbitrary Code Execution, Vulnerabilities), and the infrastructure used for large-scale operational attacks (Botnets). Defenders should prioritize patching known vulnerabilities and understand the characteristics associated with persistent, well-resourced threat actors.