Arkadiy Tetelman An application security blog


My name is Arkadiy Tetelman - I’m a senior application security engineer living in San Francisco. I currently work at Airbnb and previously worked at Twitter and CardSpring.

I graduated from UC Berkeley with degrees in Applied Mathematics and Computer Science.


Some of my currently active open source projects include:

  • ssrf_filter: a ruby gem for protecting against server side request forgery vulnerabilities
  • bounty-targets-data: an hourly-updated repo containing a list of all Hackerone/Bugcrowd in-scope domains

Conference Talks:

  • (Upcoming) Data Driven Bug Bounty, BSides San Francisco, April 15-16 2018


I’m available for security consulting and other inquiries. You can email me at:

  • hello{at} [GPG]