Rob Allen is a cybersecurity executive and entrepreneur known for his work in endpoint security and zero trust architecture. He is the cofounder and chief executive officer of ThreatLocker, a cybersecurity company focused on application allowlisting, ringfencing, and storage control to prevent ransomware and malicious software. Allen has led ThreatLocker’s growth as it has expanded its platform to serve managed service providers, enterprises, and regulated industries. His background includes experience in information technology, network security, and business leadership, with an emphasis on proactive security models that limit attack surfaces rather than relying on detection alone. Under his leadership, ThreatLocker has increased its global presence and continued to develop security tools designed to address evolving cyber threats.