ORCA.104: High Confidence Phish action set to Quarantine message.
| ID | ORCA.104 |
| Severity | High |
| Suite | ORCA |
| Product | Defender |
| Related products | Exchange Online |
| Feature | Anti-spam |
| 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 |
| Reads from | Exchange Online |
What this checks and how to fix it
Section titled “What this checks and how to fix it”It is recommended to configure the High Confidence Phish detection action to Quarantine so that these emails are not visible to the end user from within Outlook. As Phishing emails are designed to look legitimate, users may mistakenly think that a phishing email in Junk is false-positive.
Remediation action
Section titled “Remediation action”Change High Confidence Phish action to Quarantine message.
Related Links
Section titled “Related Links”- Microsoft 365 Defender Portal - Anti-spam settings
- Recommended settings for EOP and Microsoft Defender for Office 365 security
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).
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