Fxmsp breached networks of at least 135 companies in 44 countries in 3+ years. Group-IB estimates hacker made at least $1.5 million from selling network access in 3 years. The name behind the alias ‘Andrey Turchin’ is the same as the one found by BleepingComputer in research last year. The actor and their accomplice slipped under the public radar soon after getting too much media attention, likely continuing activity over private messages. The identity of the hacker has not yet been revealed.
Source: https://www.bleepingcomputer.com/news/security/fxmsp-hackers-made-15m-selling-access-to-corporate-networks/