Summary
Philippe Langlois is an entrepreneur and cybersecurity veteran who has founded and led multiple pioneering companies since the early internet era, including one of France’s first ISPs (Worldnet), Europe’s early penetration-testing firm (INTRINsec), and Qualys where he served as CTO. He blends deep technical expertise in networks, security and real-time systems with startup-building experience, having designed novel vulnerability scanning and payment gateway technologies. Currently he advises and invests while leading P1 Security, a telecom-focused security product company addressing 5G/6G, IMS and legacy signaling stacks. Known for translating technical research into operational platforms, he pairs hands-on engineering with strategic leadership and a knack for bootstrapping high-impact security teams. Based in France, he recently returned to active programming to personally contribute to the “good fight” in cybersecurity.
11 years of coding experience