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Multi-extortion ransomware relies on stolen data to pressure victims with public leaks. Penta Security explains how its D.AMO platform keeps exfiltrated files encrypted and useless to attackers.

Microsoft is investigating and working to resolve Exchange Online mailbox access issues that have intermittently affected Outlook mobile and macOS users for weeks.

A former core infrastructure engineer has pleaded guilty to locking Windows admins out of 254 servers as part of a failed extortion plot targeting his employer, an industrial company headquartered in Somerset County, New Jersey.

Starting this week, Microsoft has begun force-upgrading unmanaged devices running Windows 11 24H2 Home and Pro editions to Windows 11 25H2.

The European Union's Cybersecurity Service (CERT-EU) has attributed the European Commission cloud hack to the TeamPCP threat group, saying the resulting breach exposed the data of at least 29 other Union entities.

Threat actors are exploiting the recent Claude Code source code leak by using fake GitHub repositories to deliver Vidar information-stealing malware.

The Drift Protocol lost at least $280 million after a threat actor took control of its Security Council administrative powers in a planned, sophisticated operation.

The Drift Protocol lost at least $280 million after a threat actor took control of its Security Council administrative powers in a planned, sophisticated operation.

Researchers warn that residential proxies used to route malicious traffic are a big problem for IP reputation systems, as there is no clear distinction between attackers and legitimate users.

Threat actors are exploiting vacant homes as "drop addresses" to intercept mail and enable fraud. Flare shows how postal services and fake identities are abused to turn mail into a fraud vector.