News
Dutch authorities dismantle massive 17 million device residential proxy botnet
1+ hour, 31+ min ago (24+ words) The Dutch National Police and the National Cyber Security Center have successfully dismantled a massive botnet consisting of more than 17 million compromised de...
New SMTP DANE and MTA-STS connector modes in Exchange Online
2+ mon, 4+ day ago (726+ words) 4sysops - The online community for sys and AI ops SMTP DANE and MTA-STS modes in Exchange Online Standards specify that SMTP DANE is the stronger mechanism. If both DANE and MTA-STS are present for a destination, a valid DANE validation takes…...
Using Open ID Connect (OIDC) for external MFA in Entra ID
2+ mon, 5+ day ago (615+ words) 4sysops - The online community for sys and AI ops Some businesses need third-party MFA providers so they can use one consistent, often more specialized or regulated, strong authentication system across many different (Microsoft and non-Microsoft) apps and systems. Open ID Connect…...
Permanently delete emails in Exchange Online with Priority Cleanup V2
2+ mon, 6+ day ago (979+ words) 4sysops - The online community for sys and AI ops Traditional deletion methods cannot remove content protected by retention policies or e Discovery holds. Compliance search purges soft-delete items from the user view but leaves them discoverable in searches. Priority Cleanup performs…...
Microsoft adds passkeys to Entra ID registration campaigns " 4sysops
2+ mon, 1+ week ago (819+ words) 4sysops - The online community for sys and AI ops Microsoft Entra ID registration campaigns are automated prompts that appear during user sign-in, nudging users to register for more secure authentication methods. These campaigns help organizations transition users from less secure authentication…...