Question 200
A company applies an anti-malware policy to ordinary mailboxes but ignores policy coverage for shared mailboxes. The change owner plans to: Review Defender for Office 365 threat policy recipients and ensure required shared mailboxes are included. Which additional safeguard is most specific to this implementation?
Explanation
Correct Answer
The specific rollout control is Audit policy priority and preservation of legitimate support mailbox workflows. It protects the proposed intervention 'Review Defender for Office 365 threat policy recipients and ensure required shared mailboxes are included.' against the failure mode that threat policies may be scoped to users, groups and domains and require explicit coverage verification. Success should also be checked through: A test addressed to the shared mailbox follows the intended malware detection response.
Incorrect Answers
Phishing simulations must not expose passwords to uncontrolled third-party services. The proposed change also needs protection against this risk: Threat policies may be scoped to users, groups and domains and require explicit coverage verification. The applicable safeguard is: Audit policy priority and preservation of legitimate support mailbox workflows.
Sender-specific outbound restrictions are different objects from tenant-wide inbound allow/block entries. The proposed change also needs protection against this risk: Threat policies may be scoped to users, groups and domains and require explicit coverage verification. The applicable safeguard is: Audit policy priority and preservation of legitimate support mailbox workflows.
Alert policies lose operational value when recipient lists are not maintained. The proposed change also needs protection against this risk: Threat policies may be scoped to users, groups and domains and require explicit coverage verification. The applicable safeguard is: Audit policy priority and preservation of legitimate support mailbox workflows.