Beginning May 5, 2025, Microsoft will block emails failing strict authentication, returning error code “550 5.7.15 Access denied.” This policy targets organizations sending over 5,000 emails daily. Compliance requires SPF, DKIM, and DMARC protocols. Businesses should audit their email authentication settings to prevent disruptions, as rejected messages will no longer be sent to Junk folders.
NIST updates Privacy Framework with Version 1.1
The U.S. Department of Commerce aims to align its privacy and cybersecurity frameworks in response to rising cyberattacks. NIST’s PFW 1.1 draft updates privacy risk
