Microsoft Security

Microsoft’s latest Secure Future Initiative report outlines progress on secure foundations, AI-powered defense, and future-ready cybersecurity. The post Securing our future: July 2026 progress report on Microsoft’s Secure Future Initiative appeared first on Microsoft Security Blog.

GigaWiper is a destructive backdoor that combines multiple wiping and ransomware-like capabilities into a single operational platform. This blog analyzes how the malware incorporates code from several previously separate malware families and provides guidance to help defenders detect and defend against similar threats. The post GigaWiper: Anatomy of a destructive backdoor assembled from multiple malware appeared first on Microsoft Security Blog.

At Microsoft we encompass these security requirements, along with threat knowledge, and operational frameworks in our Secure Future Initiative (SFI), to guide what a well-defended cloud service looks like. But defining the requirements is only the start. Meeting the requirements means continuously evaluating our live services against them, at AI speed. The post Protecting Microsoft at AI speed: How SFI proactively hardens our cloud   appeared first on Microsoft Security Blog.

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. The post 5 insights from Frost & Sullivan’s 2025 Frost Radar™ for Cloud Security Posture Management appeared first on Microsoft Security Blog.

Read how Microsoft strengthens partner ecosystem security with CSP vetting, least privilege access, monitoring, and risk management best practices. The post Improving security posture across the Microsoft partner ecosystem appeared first on Microsoft Security Blog.

Frost & Sullivan names Microsoft a leader as cloud and application security converge into unified, runtime risk reduction. The post Microsoft named a leader in the Frost Radar for cloud and application runtime security appeared first on Microsoft Security Blog.

We’re accelerating quantum-safe readiness—and sharing what organizations can do now to transition earlier and with confidence. The post Accelerating the quantum-safe timeline appeared first on Microsoft Security Blog.

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. The post ​​What’s new in Microsoft Security: June 2026 appeared first on Microsoft Security Blog.

MCP tool poisoning turns trusted AI agents into a control plane for data loss. Learn how threat actors manipulate tool descriptions to trigger unauthorized actions, and how to detect, contain, and prevent it. The post Securing AI agents: When AI tools move from reading to acting appeared first on Microsoft Security Blog.

A malicious Chromium-based extension that spoofs the AI-powered answer engine Perplexity AI redirects browser search traffic using MV3 APIs and intermediary infrastructure. The post Chromium extension uses AI‑related branding to redirect browser search appeared first on Microsoft Security Blog.