Ghost Sender: MX Record Enables Bypass of Exchange Online Gateways20. July 2026CybersecurityDirect access to Exchange Online submission endpoints via MX records circumvents upstream email security gateways and authentication mechanisms. Share on:
Microsoft Cloud Services: Multiple Vulnerabilities Enable Privilege Escalation16. June 2026CybersecurityCritical vulnerabilities in Azure HorizonDB, Exchange Online, 365 Copilot, and Edge Copilot Chat allow privilege escalation and arbitrary code execution. Share on:
