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 ...

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 ...

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

Microsoft on Thursday disclosed a zero-day vulnerability in Exchange that's under active exploitation, but four days later customers are still awaiting a patch. The zero-day, tracked as CVE-2026-42897 ...

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

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

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

Hackers are already exploiting a cross-site scripting flaw in Microsoft Exchange Server, leaving organisations running ...

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

Our company is gearing up to launch a new product soon and they’ve just implemented a six-month, no-vacation blackout period.

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