DeepSec 2025 Talk: Breaking Into OT Environments: Exploiting Vulnerabilities to Compromise Critical Infrastructure – Avanish Pathak

Sanna/ October 1, 2025/ Conference/ 0 comments

In this session, we’ll delve into how attackers systematically exploit weaknesses in Operational Technology (OT) systems to compromise critical infrastructure. OT systems—including building management systems (BMS), access control systems (ACS), and surveillance networks (CCTV)—are the backbone of many critical sectors, managing everything from facility operations to security and environmental controls. Despite their importance, these systems are often neglected in cybersecurity frameworks, making them prime targets for exploitation. We’ll explore real-world attack vectors and strategies used by adversaries to infiltrate OT environments, focusing on how they gain control over critical systems. Through a real-world example, I’ll demonstrate how I successfully gained unauthorized access by chaining faulty configurations to compromise a building management system (BMS). We’ll break down how attackers exploit common entry points, escalate privileges, and disrupt operations. Additionally, we’ll examine how adversaries move laterally

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