Latest cybersecurity reporting from selected sources.

Defunct Ransomware Group's Diaspora Includes Hackers With Focus on Microsoft TeamsBased on intelligence gleaned from the leak of Black Basta ransomware messages, researchers are warning organizations to beware phishing attacks launched via Microsoft partner domains and via Teams, as well as the targeting of personal Google accounts accessed via corporate devices.

After Disrupting Ascension Health, Black Basta Forecast Reprisals From FBI, Moscow"We are pentesters, not murderers," ransomware group Black Basta claimed in its negotiations with victim Ascension Healthcare in May 2024, after its attack led to widespread disruptions and patient safety alerts. Leaked chat logs reveal the group feared resulting reprisals from the FBI and Moscow.

Group Cross-Referenced Open-Source Victim Intelligence With Infostealer HaulsThe leak of 200,000 internal chat messages for the Black Basta operation provides an overview of how a modern ransomware group organizes itself to take down victims in the most efficient, profit-maximizing manner possible, using a variety of tactics that should be, in theory, easy to repel.

'He Is an Idiot,' Dissatisfied Hacker Writes of BossTwo hundred thousand internal chat messages from the Russian ransomware group Black Basta have been leaked online, supposedly in reprisal for the operation targeting Russian banks. The partial logs, spanning 13 months, detail negotiations with victims, ransoms paid, internal disagreements and more.