m365 security

  1. CVE-2025-59252: Copilot Spoofing Risk in M365

    Microsoft’s advisory and subsequent community analysis describe CVE-2025-59252 as a presentation-layer spoofing vulnerability that affects M365 Copilot-family services; the vendor classifies the issue as an assistant-origin/provenance failure that can cause generated outputs to appear to come...
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    • Forum: Security Alerts

  2. Microsoft Enforces Dedicated Exchange Hybrid App: Sept 2025 Window

    Microsoft is taking the first concrete step in its phased enforcement of the dedicated Exchange hybrid app requirement: on September 16, 2025 at 07:00 UTC Microsoft will temporarily block Exchange Web Services (EWS) traffic that uses the Exchange Online shared service principal for hybrid...
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    • april 2025 hotfix cisa credential hygiene cve-2025-53786 entra id ews ews deprecation exchange hybrid exchange online graph api graph migration health check hybrid apps hybrid configuration wizard incident response m365 security on-premises patch management security service principal
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    • Forum: Windows News

  3. Securing Microsoft 365 in 2025: Strategies to Counter Evolving Cyber Threats

    There is no denying that Microsoft 365 is the digital engine room for modern businesses—fueling everything from email communications and calendaring to collaborative document editing and video meetings. Organizations of all sizes, across continents and industries, have woven the fabric of...
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    • app security business email compromise cloud misconfiguration cloud security cloud security tools credential protection cybersecurity 2025 data security insider threats m365 security microsoft 365 security monitoring multi-factor authentication phishing ransomware regulatory compliance security best practices threat detection user awareness zero trust architecture
    • Replies: 0
    • Forum: Windows News

  4. Commvault Metallic Cloud Backup Breach Highlights SaaS Security Risks & Best Practices

    As the cybersecurity landscape continues to evolve, organizations increasingly rely on software-as-a-service (SaaS) solutions for essential operations such as cloud-based data backup and disaster recovery. However, with this shift comes new and complex threats—highlighted by the US Cybersecurity...
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    • cisa cloud backup cloud configuration cloud ecosystem cloud security credential management cybersecurity data security enterprise security incident response m365 security microsoft azure saas saas risks saas security security best practices security patch threat intelligence unmanaged saas zero-day vulnerabilities
    • Replies: 0
    • Forum: Windows News

  5. Proofpoint’s $1 Billion Acquisition of Hornetsecurity: Shaping the Future of Cloud Security

    Proofpoint’s headline-grabbing $1 billion agreement to acquire Hornetsecurity marks a pivotal moment in the rapidly evolving landscape of cloud security, underscoring the intensifying arms race among vendors to secure Microsoft 365-powered businesses. As email threats become increasingly...
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    • channel partners cloud platforms cloud security cloud security market cyber threats cybersecurity cybersecurity m&a data security data sovereignty digital security email security email threats european cybersecurity european tech hornetsecurity m365 security managed services microsoft 365 msp ecosystem msp security private equity proofpoint saas security security acquisition security consolidation security innovation security platforms smb security tech mergers threat intelligence threat mitigation vendor consolidation
    • Replies: 1
    • Forum: Windows News