TechCrunch has summarized major data breaches from 2021. Key examples include: genetic testing giant 23andMe losing data for close to 7 million customers and blaming user negligence; Change Healthcare, processing between a third and a half of all US healthcare transactions, taking seven months to admit that a cyberattack had stolen over 100 million users’ data; and London-based pathology provider Synnovis being hit by a ransomware attack causing service disruption for months. The breaches involved company giants like AT&T, Ticketmaster, and Santander Bank, with several organizations, including retailer Hot Topic, not publicly disclosing data breach occurrences.

Shuckworm Group Uses PowerShell Based GammaSteel Malware in Targeted Attacks
Russia-linked espionage group Shuckworm is targeting a Western military mission in Ukraine using more complex malware tools. The group is shifting towards PowerShell-based tools for