Analyst1 has published a profile of Yaroslav Vasinskyi, a Ukrainian national and member of the REvil gang that hacked Kaseya in 2021.
He is currently serving a 13-year prison sentence in the US.
The profile also includes a rare interview with Vasinskyi.

Ransomware Diaries Volume 7: The Kaseya Hacker Breaks His Silence
Jon DiMaggio will explore a new relationship with Rabotnik the person, not the REvil criminal. Why did one young man take the fall?

Analyst1 (analyst1.com)