Microsoft Incident Response investigated an attack operated through legitimate and trusted administrative mechanisms to blend ...
A newly discovered zero-day vulnerability in Microsoft Exchange Server has experts declaring an emergency and urging CSOs to ...
Microsoft is working to patch CVE-2026-42897, an Exchange Server zero-day vulnerability that has been exploited in attacks.
Aaron Holmes is a reporter covering tech with a focus on enterprise, networking, and cybersecurity. Before joining Insider in 2019, he has previously written for The New York Daily News, The Atlanta ...