National Cyber Warfare Foundation (NCWF)

Mailbox Rule Abuse Emerges as Stealthy Post-Compromise Threat

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2026-04-13 15:19:29
milo
Blue Team (CND)

Attackers are abusing Microsoft 365 mailbox rules to hide activity, exfiltrate data and retain access after account compromise, researchers warn

Mailbox Rule Abuse Emerges as Stealthy Post-Compromise Threat
https://www.infosecurity-magazine.com/news/mailbox-rule-abuse-stealthy-post/
Attackers are abusing Microsoft 365 mailbox rules to hide activity, exfiltrate data and retain access after account compromise, researchers warn
Mon, 13 Apr 2026 15:00:00 GMT
https://www.infosecurity-magazine.com/news/mailbox-rule-abuse-stealthy-post/

Source: InfosecMagazine
Source Link: https://www.infosecurity-magazine.com/news/mailbox-rule-abuse-stealthy-post/

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Blue Team (CND)

Mailbox Rule Abuse Emerges as Stealthy Post-Compromise Threat

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