John Tränkenschuh is an information security expert with more than 20 years of experience in the sector. John holds three GIAC certifications: Web Application Penetration Tester (GWAPT), Assessing and Auditing Wireless Networks (GAWN), and Penetration Tester (GPEN). He is currently working on a book, a rewrite to the 2007 Check Point Firewall Benchmark, and fleshing out a presentation on IoT security issues (and opportunities). In addition to the GIAC certifications, he has earned a CISSP-ISSAP, both Check Point designations CCSE and CCSA. John is a patent holder for four security inventions, and is fascinated by opportunities for 'mesh', multiple network firewall designs.