Agentic AI security: Why you need to know about autonomous agents now
There are many benefits and security risks of deploying agentic AI within organizations. This blog emphasizes the importance of robust risk management and threat modeling to defend against both internal operational errors and potential malicious exploitation.
New threat actor, UAT-9921, leverages VoidLink framework in campaigns
Cisco Talos recently discovered a new threat actor, UAT-9221, leveraging VoidLink in campaigns. Their activities may go as far back as 2019, even without VoidLink.
UAT-8837 targets critical infrastructure sectors in North America
Cisco Talos is closely tracking UAT-8837, a threat actor we assess with medium confidence is a China-nexus advanced persistent threat (APT) actor.
UAT-7290 targets high value telecommunications infrastructure in South Asia
Talos assesses with high confidence that UAT-7290 is a sophisticated threat actor falling under the China-nexus of advanced persistent threat actors (APTs). UAT-7290 primarily targets telecommunications providers in South Asia.
UAT-7237 targets Taiwanese web hosting infrastructure
Cisco Talos discovered UAT-7237, a Chinese-speaking advanced persistent threat (APT) group active since at least 2022, which has significant overlaps with UAT-5918.
Defining a new methodology for modeling and tracking compartmentalized threats
How do you profile actors and defend your systems when multiple threat actors are working together? In Part 2, Cisco Talos proposes an extended Diamond Model to analyze complex relationships between attackers.
Redefining IABs: Impacts of compartmentalization on threat tracking and modeling
Threat actors are teaming up, splitting attacks into stages and making defense harder than ever. In Part 1, Cisco Talos examines their tactics and defines their motivations.
Introducing ToyMaker, an initial access broker working in cahoots with double extortion gangs
Cisco Talos discovered a sophisticated attack on critical infrastructure by ToyMaker and Cactus, using the LAGTOY backdoor to orchestrate a relentless double extortion scheme.
UAT-5918 targets critical infrastructure entities in Taiwan
UAT-5918, a threat actor believed to be motivated by establishing long-term access for information theft, uses a combination of web shells and open-sourced tooling to conduct post-compromise activities to establish persistence in victim environments for information theft and credential harvesting.