CISA and FBI Release Cybersecurity Advisory on Enhanced Monitoring to Detect APT Activity Targeting Outlook Online

The Cybersecurity and Infrastructure Security Agency CISA and Federal Bureau of Investigation FBI have released a joint Cybersecurity Advisory CSA, Enhanced Monitoring to Detect APT Activity Targeting Outlook Online, to provide guidance to agencies and critical infrastructure organizations on...

Enhanced Monitoring to Detect APT Activity Targeting Outlook Online

SUMMARY In June 2023, a Federal Civilian Executive Branch FCEB agency identified suspicious activity in their Microsoft 365 M365 cloud environment. The agency reported the activity to Microsoft and the Cybersecurity and Infrastructure Security Agency CISA, and Microsoft determined that advanced...