Varonis Threat Labs has published a report detailing a now patched security exploit discovered in Copilot that let attackers ...

Microsoft has fixed a vulnerability in its Copilot AI assistant that allowed hackers to pluck a host of sensitive user data ...

Microsoft said that Office 365 tenants with weak configurations and who don't have strict anti-spoofing protection enabled ...

Update, August 10, 2025: This story, originally published on August 7, has been updated with additional information following a demonstration of the shared service principal exploit at the Black Hat ...

Researchers have unearthed two publicly available exploits that completely evade protections offered by Secure Boot, the industry-wide mechanism for ensuring devices load only secure operating system ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Every security team’s nightmare came true over the weekend: a ...

Threat actors are exploiting complex routing scenarios and misconfigured spoof protections to send spoofed phishing emails, ...

Have you ever wondered if your organization’s security measures are truly airtight? In an era where cyber threats evolve faster than ever, relying solely on well-known defenses might leave critical ...

In a break from recent months, Microsoft's security update for July contains no zero-day bugs. But with 137 newly disclosed vulnerabilities, including one that has been publicly disclosed already, it ...