This issue of the ESET APT Activity Report reviews notable activities of APT groups that were documented by ESET researchers from April 2025 to September 2025.

ESET Chief Security Evangelist Tony Anscombe highlights some of the key findings from the latest issue of the ESET APT Activity Report.

Former colleagues and friends remember the cybersecurity researcher, author, and mentor whose work bridged the human and technical sides of security.

Learn what’s been added to the ATT&CK framework — and how you can best operationalize it to advance your organization’s threat detection and response.

From unintentional data leakage to buggy code, here’s why you should care about unsanctioned AI use in your company.

Google and others are inundating development teams with AI-powered reporting. Are AI-enabled fixes the answer? 

Want real security without subscriptions? These three open-source tools help you lock down your computer with no ads, no telemetry, just protection.

Here's how cybercriminals could try to crack your vault and how you can keep your passwords safe.

Does your chatbot know too much? Think twice before you tell your AI companion everything.

ESET researchers have discovered a network implant used by the China-aligned PlushDaemon APT group to perform adversary-in-the-middle attacks.