Cybersecurity researchers have disclosed a new technique dubbed GuardBreaker that’s been put to use by a Russia-aligned threat actor known as UAC-0099 against a target in Ukraine with an aim to interfere with artificial intelligence (AI)-assisted analysis.
The idea, ESET said in a series of posts on X, is to deliberately trip a large language model’s (LLM) safety mechanisms and prevent its
This is a companion discussion topic for the original entry at https://thehackernews.com/2026/09/russia-aligned-uac-0099-plants-nuclear.html