ORCA.114: No IP Allow Lists have been configured.
| ID | ORCA.114 |
| Severity | Medium |
| Suite | ORCA |
| Product | Defender |
| Related products | Exchange Online |
| Feature | Anti-spam |
| Security area | Email and collaboration protection |
| Resource type | Tenant |
| User impact of fixing | Low |
| Effort to fix | Medium |
| Framework controls | nist-800-53-r5:AC-4 Information Flow Enforcement |
| MITRE ATT&CK | T1566, T1684.002 |
| Reads from | Exchange Online |
What this checks and how to fix it
Section titled “What this checks and how to fix it”IP addresses contained in the IP allow list are able to bypass spam, phishing and spoofing checks, potentially resulting in more spam. Ensure that the IP list is kept to a minimum.
Remediation action
Section titled “Remediation action”Remove IP addresses from IP allow list.
Related Links
Section titled “Related Links”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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