Article: Remediation and Hardening Strategies for Microsoft 365 to Defend Against UNC2452 - published almost 4 years ago. Content: UPDATE (Mar. 18): Mandiant recently observed targeted threat actors modifying mailbox folder permissions of user mailboxes to maintain persistent access to the targeted users' email messages. This stealthy technique is not usually monitored by defenders and provides threat actors a way to access the desired email messages using any com... http://www.fireeye.com/blog/threat-research/2021/01/remediation-and-hardening-strategies-for-microsoft-365-to-defend-against-unc2452.html Published: 2021 01 19 14:00:00 Received: 2021 06 06 09:05:11 Feed: FireEye Blog Source: FireEye Blog Category: Cyber Security Topic: Cyber Security |
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