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A novel macOS infostealer malware, designated as Mac.c, has emerged as a formidable contender in the underground malware-as-a-service (MaaS) ecosystem. Developed openly by a threat actor operating under the pseudonym “mentalpositive,” Mac.c…
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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 Agents installable.2. Manual per-agent PowerShell revocations add overhead and risk.3. Mitigate by auditing inventories, enforcing […] The post Microsoft Copilot Agent Policy Let Any Users Access AI Agents appeared first on Cyber Security News.
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Cybersecurity researchers at the Cofense Phishing Defense Center (PDC) have uncovered a fresh surge in credential harvesting attacks that leverage the reputable cloud-based email service SendGrid to distribute phishing emails. Attackers are exploiting …
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August 25, 2025, marks the 34th anniversary of Linux, a project that began as a modest hobby and has grown into the bedrock of modern digital infrastructure. On this day in 1991, 21-year-old Finnish student Linus Torvalds posted to the comp.os.minix ne…
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A cybersecurity researcher has unveiled a sophisticated new method for extracting Windows credentials and secrets that successfully evades detection by most Endpoint Detection and Response (EDR) solutions currently deployed in enterprise environments. …
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The National Institute of Standards and Technology (NIST) has formally published Special Publication 800-232, “Ascon-Based Lightweight Cryptography Standards for Constrained Devices,” establishing the first U.S. government benchmark for efficient crypt…
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Microsoft has disclosed a critical flaw in its Copilot agents’ governance framework that allows any authenticated user to access and interact with AI agents within an organization—bypassing intended policy controls and exposing sensitive operations to …
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Salesforce has addressed multiple critical security vulnerabilities in Tableau Server and Desktop that could enable attackers to upload malicious files and execute arbitrary code. The vulnerabilities, disclosed on August 22, 2025, were proactively iden…
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A critical zero-click remote code execution vulnerability in Apple’s iOS has been disclosed with a working proof-of-concept exploit, marking another significant security flaw in the company’s image processing capabilities. The vulnerability…
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Microsoft is rolling out a significant new administrative control feature in mid-September 2025 that will enable IT administrators to manage organization-wide sharing permissions for user-built Copilot agents. The feature addresses growing enterprise concerns about governance and security in AI agent deployment across organizations. Key Takeaways1. Microsoft is introducing a tenant-level feature for managing Copilot agent […] The post New Microsoft 365 Admin Feature Let Admins Control Link Creation Policies appeared first on Cyber Security News.
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