Ransomware's Fragmentation Reaches a Breaking Point While LockBit Returns

Key Takeaways: 85 active ransomware and extortion groups observed in Q3 2025, reflecting the most decentralized ransomware ecosystem to date. 1,590 victims disclosed across 85 leak sites, showing high, sustained activity despite law-enforcement pressure. 14 new ransomware brands launched this...

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

Given the recent slate of massive ransomware attacks that have disrupted everything from hospitals to car dealerships, Cisco Talos wanted to take a renewed look at the top ransomware players to see where the current landscape stands. Based on a comprehensive review of more than a dozen prominent...

A week in security (December 2 – December 8)

Last week on Malwarebytes Labs, we took a look at a new version of the IcedID Trojan, described web skimmers up to no good, and took a deep dive into containerization. We also explored a report bringing bad news for organizations and insider threats, and threw a spotlight on a video game phish...

Angler Exploit Kit Pushing New, Unnamed Ransomware

Attackers are using the infamous Angler exploit kit to disseminate a new, yet unnamed variant of the TeslaCrypt and AlphaCrypt ransomware, according to Rackspace security researcher Brad Duncan. Duncan analyzed the threat on the SANS Internet Storm Center, saying that the malware presents its...