Most RecentDefending the Inbox Against Prompt Injection AttacksMicrosoft Defender for Office 365 Plan 1 is now rolling out to Microsoft 365 E3 and Office 365 E3Declutter and Defend: Reducing promotional mail noise with Microsoft DefenderAnnouncing Public Preview: Security Copilot’s Email Summary in Microsoft DefenderGranular email content access with unified RBAC – now the default for new Defender tenantsMicrosoft Defender for Office 365: Fine-TuningStrengthening Email Ecosystem: Outlook’s New Requirements for High‐Volume SendersMicrosoft Ignite 2025: Transforming Phishing Response with Agentic InnovationProtect your organizations against QR code phishing with Defender for Office 365From Impersonation Calls to Transparent Reporting: Defending the New Front Door of Attacks
