You are a Microsoft 365 administrator for a company. Several users report that they receive emails which have a PDF attachment. The PDF attachment launches malicious code. You need to remove the…

The correct answer is D. zero-hour auto purge. In Microsoft 365 organizations with mailboxes in Exchange Online, zero-hour auto purge (ZAP) is an email protection feature that retroactively detects and neutralizes malicious phishing, spam, or malware messages that have already been delivered to Exchange Online mailboxes…

Submitted by ricky.ec· Mar 5, 2026Describe security, compliance, privacy, and trust in Microsoft 365

Question

You are a Microsoft 365 administrator for a company. Several users report that they receive emails which have a PDF attachment. The PDF attachment launches malicious code. You need to remove the message from inboxes and disable the PDF threat if an affected document is opened. Which feature should you implement?

Options

AMicrosoft Exchange Admin Center block lists
BSender Policy Framework
CAdvanced Threat Protection anti-phishing
Dzero-hour auto purge
EDKIM signed messages with mail flow rules

How the community answered

(42 responses)

B
2% (1)
D
95% (40)
E
2% (1)

Explanation

In Microsoft 365 organizations with mailboxes in Exchange Online, zero-hour auto purge (ZAP) is an email protection feature that retroactively detects and neutralizes malicious phishing, spam, or malware messages that have already been delivered to Exchange Online mailboxes. https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/zero-hour-auto- purge?view=o365-worldwide https://docs.microsoft.com/en-us/office365/securitycompliance/atp-anti-phishing

Topics

#Zero-hour auto purge#email security#Advanced Threat Protection#malware protection

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