{"data":{"id":"97c2e41b-66b2-4241-8dc7-98b6456af9f9","title":"​​​​​​​​What’s new in Microsoft Security: September 2026​​","summary":"Microsoft's September 2026 security update, published as a news item, describes new features across Microsoft Defender, Microsoft Security Copilot, Microsoft Purview and Microsoft Entra. Updates include AI-generated email detonation summaries, network-layer blocking of sensitive data sent to unsanctioned AI tools, expanded auto-labeling for large environments, and eDiscovery and archiving changes for Copilot-created content.","solution":"N/A -- no mitigation discussed in source.","labels":["security","industry"],"sourceUrl":"https://www.microsoft.com/en-us/security/blog/2026/09/24/whats-new-in-microsoft-security-september-2026/","publishedAt":"2026-09-24T16:00:00.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"info","attackType":[],"issueType":"news","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":["Microsoft"],"affectedVendorsRaw":["Microsoft Defender","Microsoft Security Copilot","Microsoft Purview","Microsoft Entra Global Secure Access","Microsoft 365 Copilot","Microsoft Loop","Copilot Pages","Copilot Notebooks"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"epssCheckedAt":null,"kevDateAdded":null,"advisoryAliases":null,"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":null,"disclosureDate":"2026-09-24T16:00:00.000Z","fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":null,"aiComponentTargeted":null,"llmSpecific":false,"classifierConfidence":0.8,"researchCategory":null,"atlasIds":null}}