ASCII smuggling crosses over from AI prompt injection to phishing evasion
Invisible Unicode characters popularized for hiding instructions from AI models are now being used to obfuscate words before email filters parse them.
AI and agents
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What’s new in Microsoft Security: August 2026
This month’s updates provide new capabilities to help organizations gain insights into agent activity, expand security coverage across supported environments, and enhance security management across their environments. -
The patch window is collapsing: Why security needs a new control plane
Organizations need protection that operates in the gap between discovery and remediation. -
Advance Zero Trust for AI: New tools and guidance to secure AI agents and DevSecOps
Microsoft expands its Zero Trust for AI strategy to enhance security for AI and DevSecOps environments with new tools and guidance. Modernize your Security Operations Center with Microsoft Sentinel
Microsoft Sentinel is a cloud-native SIEM solution powered by AI and automation that delivers intelligent security analytics across your entire enterprise.
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What’s new in Microsoft Security: July 2026
This month’s updates help security and IT teams secure their AI environments, use AI to defend, and strengthen the foundations that AI-powered operations depend on. -
Better security starts with better questions
Learn how better questions, trusted AI, and human judgment help security leaders make confident decisions and build resilient systems. -
Microsoft at Black Hat USA 2026: Defending trust in the age of AI and supply chain attacks
Join Microsoft Security at Black Hat USA 2026 for supply chain research, hands-on security experiences, expert conversations, and our reception. -
Securing our future: July 2026 progress report on Microsoft’s Secure Future Initiative
Microsoft’s latest Secure Future Initiative report outlines progress on secure foundations, AI-powered defense, and future-ready cybersecurity. Tailored AI insights from Microsoft Security Copilot
Empower your defenders to detect hidden patterns, harden defenses, and respond to incidents faster with generative AI.
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5 insights from Frost & Sullivan’s 2025 Frost Radar™ for Cloud Security Posture Management
Read five key learnings from the Frost & Sullivan 2025 Frost Radar™ for CSPM to learn how CSPM is evolving from point-in-time compliance to continuous risk management. -
Microsoft named a leader in the Frost Radar for cloud and application runtime security
Frost & Sullivan names Microsoft a leader as cloud and application security converge into unified, runtime risk reduction. -
What’s new in Microsoft Security: June 2026
This month’s updates help security and IT teams strengthen identity and multicloud foundations, protect data wherever it lives, and secure the developer workflows powering AI innovation. -
Securing AI agents: When AI tools move from reading to acting
MCP tool poisoning turns trusted AI agents into a control plane for data loss.
