XSS.IS Cybercrime Forum Seized After Admin Arrested in Ukraine

XSS.IS has been seized after its admin was arrested in Ukraine, however its dark web and mirror domains only show a 504 Gateway Timeout error...

Suspected Admin of XSS.IS Cybercrime Forum Arrested in Ukraine

Suspected admin of XSS.IS, a major Russian-language cybercrime forum, arrested in Ukraine after years of running malware and data trade operations...

Nigerian Tesla: 419 scammer gone malware distributor unmasked

Agent Tesla is a well-known data stealer written in .NET that has been active since 2014 and is perhaps one of the most popular payloads observed in malspam campaigns. While looking for threats targeting Ukraine, we identified a group we call "Nigerian Tesla" that has been dabbling into phishing...

Shining a Light on DARKSIDE Ransomware Operations

Update May 14: Mandiant has observed multiple actors cite a May 13 announcement that appeared to be shared with DARKSIDE RaaS affiliates by the operators of the service. This announcement stated that they lost access to their infrastructure, including their blog, payment, and CDN servers, and wou...