News
Microsoft Entra ID Makes Passkeys the Default Sign-In Method
1+ hour, 50+ min ago (396+ words) Petri IT Knowledgebase Microsoft Entra ID to Default to Passkeys Ahead of SMS and Voice Authentication Retirement Organizations are being urged to prepare users for phishing-resistant authentication and upcoming provider changes. - Passkeys will become the default authentication experience in Entra…...
Microsoft's Exchange Server Updates Fix OWA XSS Flaw
4+ week, 23+ hour ago (287+ words) Petri IT Knowledgebase Microsoft’s June 2026 Exchange Server Updates Fix OWA XSS Vulnerability The latest Exchange Server update addresses web access risks and introduces requirements for continued mitigation support. - The OWA XSS flaw allows attackers to execute malicious scripts via email....
Exchange Online Adds Writeback to Sync Cloud Mailbox Changes to On-Prem Active Directory
1+ mon, 3+ week ago (437+ words) Petri IT Knowledgebase Exchange Online Adds Writeback to Sync Cloud Mailbox Changes to On-Prem Active Directory This feature brings bidirectional synchronization to hybrid Exchange environments, and reduces reliance on on-premises servers. - Microsoft adds automatic Exchange Online writeback for hybrid environments....
Tycoon 2FA Returns With OAuth-Based Phishing to Bypass Microsoft 365 Security
1+ mon, 3+ week ago (325+ words) Petri IT Knowledgebase Tycoon 2FA Returns With OAuth-Based Phishing to Bypass Microsoft 365 Security Attackers are using Microsoft’s own authentication flow to silently hijack Microsoft 365 accounts. - Tycoon 2FA now abuses Microsoft’s device login flow instead of stealing passwords. - The phishing kit uses advanced…...
Exchange Server OWA Flaw Enables Code Execution Attacks
1+ mon, 4+ week ago (265+ words) Petri IT Knowledgebase Microsoft Warns Exchange Server Flaw Lets Attackers Execute Code via OWA Emails Microsoft warns of Exchange flaw affecting Outlook Web Access and issues urgent mitigations pending a full fix. - A newly disclosed Exchange Server flaw could expose…...
High Volume Email Generally Available in Exchange Online
2+ mon, 2+ week ago (207+ words) Microsoft’s new High Volume Email feature helps organizations send automated internal emails at scale. Microsoft has announced the general availability of the High Volume Email (HVE) feature in Exchange Online. It’s designed specifically to support large-scale, automated internal email sending…...
Exchange Online Gets Graph API-Based Message Trace Support
5+ mon, 2+ week ago (318+ words) in Preview Petri IT Knowledgebase Exchange Online Gets Graph API-Based Message Trace Support in Preview Microsoft’s new Graph-based Message Trace modernizes Exchange Online and replaces legacy reporting APIs. - Message Trace is moving to Microsoft Graph, replacing the legacy Exchange reporting…...