Skip to content

ORCA.115: Mailbox intelligence based impersonation protection is enabled in anti-phishing policies.

ID ORCA.115
Severity Medium
Suite ORCA
Product Defender
Related products Exchange Online
Feature Anti-phishing
Security area Email and collaboration protection
Resource type Policy
User impact of fixing Low
Effort to fix Low
Framework controls nist-800-53-r5:SI-8 Spam Protection
MITRE ATT&CK T1566, T1684.001
Reads from Exchange Online
Licence needed ATP_ENTERPRISE

Mailbox Intelligence Protection enhances impersonation protection for users based on each user’s individual sender graph.

Enable Mailbox intelligence based impersonation protection in anti-phishing policies.


Mito check, based on ORCA. Author: soulemike. Open-source licences.

Open-source licences. CIS Benchmark material © Center for Internet Security, Inc.; CISA SCuBA baselines are public domain (CC0).

© 2026 Virtual Petals. Mito is a Virtual Petals service, hosted in Microsoft Azure UAE North.