Blue Callisto TAG-53 APT
Updated on 2022-12-07: Callisto APT PwC’s threat intelligence team published a report last week on the spear-phishing operations carried out by Blue Callisto, a Russian cyber-espionage group, throughout 2022. PwC said the campaign focused on obtaining credentials from US and European government officials and organizations linked to national security matters. In addition, since Russia’s invasion …
