SecurityMicrosoft says its Defender XDR platform is evolving toward an “autonomous defense” model, combining unified cross-domain security signals, AI-driven investigation and response, and expert-led services to help SOCs move faster than attackers. The shift matters because many security teams are overwhelmed by fragmented tools and alert backlogs, and Microsoft argues this approach can reduce analyst toil, close visibility gaps, and improve early attack disruption.
3 min read · Feb 25, 2026
SecurityMicrosoft has released a new e-book, “Establishing proactive defense,” outlining a five-level maturity model for adopting Microsoft Security Exposure Management and moving from reactive vulnerability fixing to a continuous, risk-based approach. The guide matters because it gives IT and security teams a practical framework to unify visibility across hybrid environments, prioritize remediation based on business risk, and build a more measurable, effective security program.
3 min read · Feb 19, 2026
SecurityMicrosoft Defender is warning enterprises that self-hosted OpenClaw agents should be treated like untrusted code with persistent credentials, because they can ingest malicious text, install third-party skills, and act with the full trust of the host they run on. The guidance matters because it highlights a new blended risk model—where both software supply chain attacks and prompt injection can combine to compromise systems, identities, and sensitive data across multiple agents.
3 min read · Feb 19, 2026
SecurityMicrosoft’s new State of the SOC report, based on Omdia research, finds that security teams are being overwhelmed by fragmented tools, manual triage, and alert overload, with SOCs using an average of 10.9 consoles, nearly half of alerts being false positives, and 42% going uninvestigated. The findings matter because they show how tool sprawl and incomplete visibility are creating real operational and business risk, strengthening the case for unified SecOps platforms, automation, and AI-assisted workflows.
3 min read · Feb 17, 2026
SecurityMicrosoft Defender Security Research has identified 10 common Copilot Studio agent misconfigurations—such as overbroad sharing, missing authentication, risky HTTP actions, email-based exfiltration paths, and dormant connections—that can quietly expose organizations to serious security risks. Microsoft says these issues can now be proactively found through Advanced Hunting Community Queries in Defender, giving security teams a practical way to detect and fix dangerous agent setups before they are abused.
3 min read · Feb 12, 2026
SecurityMicrosoft’s Defender Security Research team outlined 10 common Copilot Studio agent misconfigurations, including over-broad sharing, anonymous access, risky HTTP actions, email-based data exfiltration paths, and dormant connections that can leave hidden attack surface. The guidance matters because these agents increasingly interact with sensitive internal systems, and Microsoft is pairing each risk with Defender Advanced Hunting community queries so security teams can proactively find and remediate exposures before they are abused.
3 min read · Feb 12, 2026
SecurityAt RSAC 2026, Microsoft is highlighting an AI-first security strategy built for the rise of “agentic” organizations, emphasizing autonomous defense, broad observability, and governance across identity, endpoints, data, cloud, and SecOps. The news matters because as AI systems and attacks both scale, Microsoft is positioning its platform—backed by over 100 trillion daily security signals—to help enterprises securely deploy and manage autonomous agents while improving cyber resilience.
3 min read · Feb 12, 2026
SecurityMicrosoft’s new Strategic SIEM Buyer’s Guide argues that legacy, fragmented SIEM stacks are no longer sufficient for modern SOCs, and outlines the need for a unified, cloud-native platform built for both human analysts and AI-driven workflows. The guidance matters because it frames SIEM buying decisions around scalable data ingestion, a single source of truth, and AI-accelerated detection and response—capabilities organizations increasingly need to keep up with growing telemetry and faster-moving threats.
3 min read · Feb 11, 2026
SecurityMicrosoft has introduced a preview of built-in web content filtering in Edge for Business for K-12 schools, giving IT teams category-based allow/block controls, centralized policy management, and reporting at no additional cost. It matters because it helps districts improve student safety and reduce administrative burden by managing safer browsing directly in the browser, alongside protections like Microsoft Defender SmartScreen against phishing and malicious sites.
3 min read · Feb 10, 2026
SecurityMicrosoft says the original Windows Secure Boot certificates from 2011 will begin expiring in late June 2026, and it is pushing updated certificates to supported devices through regular Windows updates, with some systems also needing OEM firmware updates first. This matters because devices that don’t receive the refresh may still boot, but they could lose access to future boot-level security protections, making this a key maintenance deadline for IT teams.
3 min read · Feb 10, 2026
SecurityMicrosoft’s latest Cyber Pulse report warns that AI agent adoption is accelerating faster than most organizations can track or secure, with more than 80% of Fortune 500 companies already using active agents and 29% of employees reportedly using unsanctioned ones for work. The report matters because these autonomous, often low-code-built tools can access sensitive data and systems with limited oversight, making visibility, governance, and Zero Trust controls for non-human identities an urgent security priority.
3 min read · Feb 10, 2026
SecurityMicrosoft researchers say attackers are trying to manipulate AI assistants like Copilot by hiding prompt injections in AI-related links, aiming to plant persistent “memory” instructions that bias future recommendations. The campaign was observed at scale across dozens of companies and industries, highlighting a growing security risk for enterprises because poisoned AI outputs could quietly influence purchasing, security decisions, and user trust.
3 min read · Feb 10, 2026