Hands-on challenges and gamified learning are reshaping students’ views of cybersecurity beyond hacking, as BlackBerry says ...

A security researcher going by the handle “Nightmare Eclipse” has dropped details on a serious new Windows LegacyHive zero-day that lets attackers seize administrator privileges on machines that are ...

A security researcher using the "Nightmare Eclipse" handle has released a Windows zero-day exploit dubbed LegacyHive that ...

From late April 2026 to mid-June 2026, Microsoft Defender Experts observed increased ACR Stealer activity across customer ...

Nightmare Eclipse has dropped the LegacyHive zero-day exploit, a privilege escalation in the Windows User Profile Service.

The July Patch Tuesday Windows update breaks the record for the most security bugs fixed in a single month, with three ...

Security analysts are struggling to reckon with the sheer volume of common vulnerabilities and exposures (CVEs) addressed in Microsoft’s July Patch Tuesday update, which contains fixes for at least ...

Security teams have never had more visibility, yet rarely have they felt more uncertain. Signal pours in from endpoints, ...

Right on the heels of Microsoft releasing a record number of security patches, a researcher has published exploit code that ...

The researcher claims the vulnerability allows a non-administrative Windows user to mount and potentially modify an administrator’s registry hive. The released PoC is intentionally limited – the full ...

LegacyHive is a PoC for a Windows ProfSvc privilege escalation flaw that works after the July 2026 update, but the public build needs extra credential ...