John Stigerwalt is a cyber security engineer who is experienced in penetration testing, application auditing, social engineering, exploit development, and reverse engineering. He has spent many years protecting financial organizations from evolving threats, and is very passionate about improving organizations security. John is always striving to better himself by enhancing his security knowledge. He believes in contributing to the security community with new security findings and helping others learn as well. John holds the OSCE, OSCP, and SLAE certifications.