Explore zero-trust OT security with MFA, encryption, and secure gateways to prevent attacks. Cyberattacks on critical infrastructure and industrial control systems are accelerating, with ransomware posing serious safety and economic risks. Traditional OT defenses like network segmentation are no longer sufficient, as attackers increasingly exploit exposed assets, open ports, and vulnerabilities in OEM software. To counter this, OT operators must adopt a zero-trust model with strong encryption, MFA, role-based access controls, and full session logging—especially for remote access. A secure operational gateway is now essential to reduce attack surfaces and defend against credential-based threats.