On Thursday, Microsoft shared mitigations for a high-severity Exchange Server vulnerability exploited in attacks that allow ...

A newly discovered zero-day vulnerability in Microsoft Exchange Server has experts declaring an emergency and urging CSOs to ...

The Tycoon2FA phishing kit now supports device-code phishing attacks and abuses Trustifi click-tracking URLs to hijack ...

Ghostwriter’s March 2026 Ukraine attacks use PDF lures and geofencing to deploy Cobalt Strike on government targets.

Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come ...

Microsoft Exchange Servers are under threat from a zero-day vulnerability, exploited via crafted emails. With no official ...

Microsoft Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.

Follow live ...

Microsoft warned Exchange Server customers about critical OWA vulnerability CVE-2026-42897 affecting on-premises deployments.

Microsoft warns of a new zero-day vulnerability that leaves Exchange open to hackers.

A security flaw in “Claude in Chrome” enables any Chrome extension, including those without permissions, to execute ...

A 30-year-old Lincoln man is facing a felony theft charge in connection with the reported theft of thousands from the ...