- Phineas Fisher is the most prolific and public hacker never caught, known for hacking spyware makers FinFisher and Hacking Team.
- The hack of Hacking Team in 2015 leaked 400 GB of data, leading to journalism scandals and the company's eventual collapse.
- Phineas claims anarchist ideals, hacks targets like police and authoritarian governments, and also engages in financial hacking for profit and donations.
- Phineas's identity remains unknown, with theories ranging from a single person to a group, and they have denied being a Russian spy.
- Phineas last appeared publicly in 2016, but continued limited contact with reporters, suggesting they are still alive.