m365 security

  1. 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...
  2. 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...
  3. 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...