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Vulnerable Microsoft Exchange Servers Hit With Babuk Ransomware
An emerging threat called Tortilla has been exploiting vulnerabilities in Microsoft (MS) Exchange servers hit with Babuk ransomware.
BlackMatter Ransomware Group Claim It’s Shutting Down
The BlackMatter ransomware group says it is closing up shop after pressure from authorities and the disappearance of some members.
International Task Force Disrupts European Ransomware Operation
A task force of European and U.S. agencies arrested 12 suspects in Switzerland and Ukraine as part of an action against a ransomware operation.
Researcher Discovers Private Keys to Decrypt Rogue Cobalt Strike Beacon Communications
Didier Stevens has discovered several shared keypairs used by rogue Cobalt Strike implementations used by malicious actors.
New TA551 Email Campaign Installs Sliver Red-Team Tool
A new email hijacking campaign by the TA551 attack group is installing the legitimate Sliver red-team tool as a payload, possibly for use in future ransomware operations.