W3LL Targets Microsoft 365 Accounts with Sophisticated Phishing Kit

A relatively unknown threat group that six years ago started with a custom tool used for bulk email spam is now running a massive operation selling a custom phishing kit that target corporate Microsoft 365 business email accounts. According to researchers with cybersecurity firm Group-IB, the group – which has gone to lengths to keep..

The post W3LL Targets Microsoft 365 Accounts with Sophisticated Phishing Kit appeared first on Security Boulevard.

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