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Francisco Alonso

Vulnerability Research

  • iOS, macOS Kernel 
  • Browsers: WebKit/JavaScriptCore, Blink/v8, Firefox/Tor Browser/Spidermonkey, Edge/ChakraCore. 
  • Fuzzing
  • Hardware/Firmware Security
  • GNU/Linux Kernel
  • Reverse Engineering
  • Static and Dynamic Analysis


  • iOS Kernel Exploitation Training (up to date)
  • Browsers Exploitation Training (up to date)
  • Fuzzing and code audit

Formerly COSEINC, Red Hat Product Security, Fedora Security Team.

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