A Federal Aviation Administration employee in New Hampshire is accused of sending an email to the White House threatening to kill President Donald Trump after using his work computer to ...
A newly discovered zero-day vulnerability in Microsoft Exchange Server has experts declaring an emergency and urging CSOs to ...
Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come ...
On Thursday, Microsoft shared mitigations for a high-severity Exchange Server vulnerability exploited in attacks that allow ...
A zero-day vulnerability exists in Microsoft Exchange, which attackers are already exploiting. Admins should act quickly.
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 Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.
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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 ...
Security experts reveal how easy it is to get fooled by this scam and what to do if you think you've been targeted.
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