Category: Cyber Security News

Hackers Using PUP Advertisements to Silently Drop Windows Malware

In recent weeks, cybersecurity investigators have uncovered a novel campaign in which hackers leverage seemingly benign potentially unwanted program (PUP) advertisements to deliver stealthy Windows malware. The lure typically begins with ads promoting free PDF tools or desktop assistants that…

Microsoft Copilot Agent Policy Let Any Users Access AI Agents

Shortly after the May 2025 rollout of 107 Copilot Agents in Microsoft 365 tenants, security specialists discovered that the “Data Access” restriction meant to block agent availability is being ignored.  Key Takeaways1. The “NoUsersCanAccessAgent” policy is bypassed, leaving some Copilot…