Hi, I’m Matthew Costa

(Frequently known as ucosty)

I’m a bit of a hacker, a programmer, and I quite like reverse engineering things. During the day I work for Callsign, working next generation multi factor authentication software.

Places you can find me

Getting in contact

  • You can always message me on Twitter @ucosty
  • Email is always an option, [email protected]
  • Wander around London, there’s approximately a 1 in 10 million chance of that person being me