BlackByte Ransomware Exploits VMware ESXi Flaw in Latest Attack Wave

The threat actors behind the BlackByte ransomware group have been observed likely exploiting a recently patched security flaw impacting VMware ESXi hypervisors, while also leveraging various vulnerable drivers to disarm security protections. "The BlackByte ransomware group continues to leverage...

Cybercriminals Exploit CrowdStrike Update Mishap to Distribute Remcos RAT Malware

Cybersecurity firm CrowdStrike, which is facing the heat for causing worldwide IT disruptions by pushing out a flawed update to Windows devices, is now warning that threat actors are exploiting the situation to distribute Remcos RAT to its customers in Latin America under the guise of providing a...

Phobos Ransomware Aggressively Targeting U.S. Critical Infrastructure

U.S. cybersecurity and intelligence agencies have warned of Phobos ransomware attacks targeting government and critical infrastructure entities, outlining the various tactics and techniques the threat actors have adopted to deploy the file-encrypting malware. "Structured as a ransomware as a...

FIN8 Group Using Modified Sardonic Backdoor for BlackCat Ransomware Attacks

The financially motivated threat actor known as FIN8 has been observed using a "revamped" version of a backdoor called Sardonic to deliver the BlackCat ransomware. According to the Symantec Threat Hunter Team, part of Broadcom, the development is an attempt on the part of the e-crime group to...

Industry-wide partnership on threat-informed defense improves security for all

MITRE Engenuity’s Center for Threat-Informed Defense has published a library of detailed plans for emulating the threat actor FIN6 which Microsoft tracks as TAAL, a collection of threat intelligence, MITRE ATT&CK data, supporting scripts, and utilities designed to enable red teams to emulate the...