# @FBICyberBranch: Threat actors are using open-source LLM agent platform ARTEX to

Source: https://x.com/FBICyberBranch/status/2121317398305186287
Kiwi News: https://news.kiwistand.com/stories/FBICyberBranch-Threat-actors-are-using-open-source-LLM-agent-platform-ARTEX-to?index=0x6af866058f161a5980bb02eef3f3a7b7d08676650a4611e8a96e28915c1078d5ec9cb8a8
Submitted by tim on 2026-11-14 UTC, 2 upvotes, 0 comments

## Summary

Threat actors are weaponizing ARTEX, an open-source, LLM-driven agentic platform, to automate multiple phases of cyber intrusions at machine speed. Since at least August 2026, various malicious cyber actors have used ARTEX in campaigns targeting organizations globally across financial services, government, and technology sectors. According to the article, ARTEX significantly reduces the time needed to chain attack techniques and lets actors with minimal technical expertise run complex, multi-target operations simultaneously. The FBI has released a FLASH with tactics, techniques, procedures and indicators of compromise associated with ARTEX, along with mitigation steps.

## Article

Threat actors are weaponizing ARTEX, an open-source, large language model (LLM)-driven agentic platform to automate multiple phases of cyber intrusions at machine speed. Since at least August 2026, a variety of malicious cyber actors have used ARTEX to conduct campaigns targeting organizations globally across multiple sectors, including financial services, government, and technology.

ARTEX significantly reduces the time required to chain attack techniques and enables threat actors with minimal technical expertise to conduct complex, multi-target operations simultaneously.

Today, the FBI released a FLASH highlighting the tactics, techniques, and procedures and indicators of compromise associated with the ARTEX framework. Organizations should follow the mitigation steps outlined in the FLASH to improve their security posture in response to ARTEX and similar agentic SI frameworks: https://www.ic3.gov/CSA/2026/261113.pdf