Officials reiterated their belief that hackers were not exploiting the flaw, but nonetheless urged users to immediately check ...

Threat actors continue to exploit ToolShell to gain unauthorized access to on-premises SharePoint servers. On August 6, 2025, the Cybersecurity ...

Check out what CISA found after it dissected malware from the latest SharePoint hacks. Plus, the U.K.’s cyber agency is overhauling its cyber framework to keep pace as threats escalate. In addition, ...

Two senior officials defended the agency’s progress amid concerns about the effects of mass layoffs and budget cuts.

Organizations around the world rely on the Common Vulnerabilities and Exposures Program, whose contract with CISA almost ...

CISA is giving agencies until 9 a.m. Monday to address a vulnerability that, left unaddressed, could allow hackers to achieve ...

CISA has issued an emergency directive ordering all Federal Civilian Executive Branch (FCEB) agencies to mitigate a critical ...

Administrators with hybrid Exchange Server environments are urged by Microsoft and the US Cybersecurity and Infrastructure ...

CVE-2025-53786 is an elevation of privilege bug that Outsider Security's Dirk-jan Mollema reported to Microsoft. It exists ...

Microsoft has urged its customers to be on high alert after discovering a dangerous vulnerability in hybrid Exchange ...

CISA has published a malware analysis report with compromise indicators and Sigma rules for "ToolShell" attacks targeting ...