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ORCA.158: Safe Attachments is enabled for SharePoint and Teams.

ID ORCA.158
Severity Medium
Suite ORCA
Product Defender
Related products SharePoint, Teams
Feature Safe Attachments
Security area Email and collaboration protection
Resource type Tenant
User impact of fixing Low
Effort to fix Low
Framework controls nist-800-53-r5:SI-3 Malicious Code Protection
MITRE ATT&CK T1080, T1204.002
Reads from Exchange Online
Licence needed ATP_ENTERPRISE

Safe Attachments can assist by scanning for zero day malware by using behavioural analysis and sandboxing techniques. These checks suppliment signature definitions.

Enable Safe Attachments for SharePoint and Teams.


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.