Skip to main content

Glossary

Threat Actor

Any individual, group, or organization that carries out, or has the intent and capability to carry out, actions harmful to an organization's information systems, ranging from lone criminals to organized nation-state units. Categorizing threat actors by motivation and sophistication helps organizations prioritize which defenses matter most for their specific risk profile.

Recent coverage mentioning Threat Actor

Slim Spider Targets Brazilian Financial Systems and Crypto Assets
MEDIUM
Threat Intel

Slim Spider Targets Brazilian Financial Systems and Crypto Assets

Discover how the newly documented threat actor Slim Spider targets Brazilian financial infrastructure and cryptocurrency assets.

Runtime Rebel Intel
3 min read · Sep 8, 2026
ClearFake WebDAV Delivers Stealers & RATs to Ukrainian Gov
HIGH
Malware

ClearFake WebDAV Delivers Stealers & RATs to Ukrainian Gov

ClearFake WebDAV infection chain leverages Cloudflare Workers and BNB Smart Chain to deploy Amatera stealer, ZigCryptoStealer, and NetSupport Manager.

Runtime Rebel Intel
4 min read · Sep 8, 2026
INFO
Threat Intel

GTIG AI Threat Tracker: Evolution of Adversarial Agentic AI

Google Threat Intelligence Group tracks threat actors shifting to agentic AI, targeting proprietary models, and abusing open source software.

Runtime Rebel Intel
4 min read · Sep 8, 2026
PEEP Backdoor Turns Browsers into OS Command Execution Tools
MEDIUM
Malware

PEEP Backdoor Turns Browsers into OS Command Execution Tools

PEEP toolkit leverages Chrome and Edge as post-compromise backdoors, enabling host command execution, data exfiltration, and session hijacking.

Runtime Rebel Intel
4 min read · Sep 7, 2026
MEDIUM
Malware

ClickFix Payloads via Blockchain Affect 5,400+ Websites

Over 5,400 compromised WordPress and PrestaShop sites deliver ClickFix payloads and WebRTC stagers from BNB Smart Chain via EtherHiding.

Runtime Rebel Intel
4 min read · Sep 5, 2026
HIGH
Threat Intel

Exchange Exploit, Dropbox Breach, & Cloud Phishing Campaigns

SecurityWeek's roundup highlights a critical Exchange Server exploit, Dropbox account compromises, and cloud phishing. Urgent action is advised.

Runtime Rebel Intel
5 min read · Sep 4, 2026

Advertisement

← All 285 glossary terms