Cisco Talos Blog

October 21, 2024 12:50

Akira ransomware continues to evolve

As the Akira ransomware group continues to evolve its operations, Talos has the latest research on the group's attack chain, targeted verticals, and potential future TTPs.

August 28, 2024 06:00

BlackByte blends tried-and-true tradecraft with newly disclosed vulnerabilities to support ongoing attacks

In recent investigations, Talos Incident Response has observed the BlackByte ransomware group using techniques that depart from their established tradecraft. Read the full analysis.

July 10, 2024 06:00

Inside the ransomware playbook: Analyzing attack chains and mapping common TTPs

Based on a comprehensive review of more than a dozen prominent ransomware groups, we identified several commonalities in TTPs, along with several notable differences and outliers.

February 27, 2024 08:00

TimbreStealer campaign targets Mexican users with financial lures

Talos has observed a phishing spam campaign targeting potential victims in Mexico, luring users to download a new obfuscated information stealer we’re calling TimbreStealer, which has been active since at least November 2023.