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ORCA.221: Mailbox intelligence is enabled in anti-phishing policies.

ID ORCA.221
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 checks can provide your users with intelligence on suspicious incoming emails that appear to be from users that they normally communicate with based on their graph.

Enable mailbox intelligence 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.