Protecting organizations from AI-assisted executive impersonation and invoice fraud

In this article 1. Attack chain overview 1. Email Delivery 2. Domain registration 3. Generative AI usage 2. Mitigation and protection guidance 1. Microsoft Defender detections 2. Microsoft Security Copilot 3. Threat intelligence reports 4. MITRE ATT&CK Techniques observed 5. Indicators of...

Threat Outbreak Alert RuleID16057: Email Messages Distributing Malicious Software on June 18, 2015

Medium Alert ID: 39415 First Published: 2015 June 18 20:30 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID16057 may contain the following files: Name | Siz...

Threat Outbreak Alert RuleID15126: Email Messages Distributing Malicious Software on May 6, 2015

Medium Alert ID: 38722 First Published: 2015 May 7 14:46 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID15126 may contain the following files: Name | Size ...

Threat Outbreak Alert: Fake Bank Payment Failure Notification Email Messages on May 13, 2014

Medium Alert ID: 34209 First Published: 2014 May 13 17:32 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a bank payment notification for the recipient. The text in the email message attempts to convince the recipient to...

Threat Outbreak Alert: Fake Payment Transfer Notice Email Messages on March 31, 2014

Medium Alert ID: 33578 First Published: 2014 March 31 15:39 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages that claim to contain a payment transfer cancellation notice for the recipient. The text in the email message attempts to convince the...