Russian Cyber Adversary BlueCharlie Alters Infrastructure in Response to Disclosures

A Russia-nexus adversary has been linked to 94 new domains starting March 2023, suggesting that the group is actively modifying its infrastructure in response to public disclosures about its activities. Cybersecurity firm Recorded Future linked the revamped infrastructure to a threat actor it tracks under the name BlueCharlie, a hacking crew that's broadly known by the names Blue Callisto,