Services

OT Threat Hunting

Proactively Identifying Malicious Activity In Industrial Environments Before It Leads To Disruption Or Damage

The Challenge

Operational Technology networks are often treated as static environments—designed to “set and forget.” However, this mindset leaves critical infrastructure blind to stealthy, persistent threats. Unlike IT networks, many OT systems lack the telemetry, logging, and behavioral analytics needed to detect early signs of compromise.

Threat actors are increasingly targeting industrial environments for espionage, sabotage, and ransomware, yet most organizations lack the tools, expertise, and visibility to proactively detect those threats.

      • Limited or non-existent network and endpoint visibility in OT environments

      • Proprietary or undocumented protocols make detection more difficult

      • Lack of historical baselines for “normal” OT behavior

      • Air-gapped systems give a false sense of security

      • Internal and third-party access points go unmonitored

Without threat hunting, malicious activity can persist for months—undetected.

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The Solution

Defy Security empowers organizations with purpose-built OT threat hunting services that blend industrial control system (ICS) expertise with threat intelligence. Our approach is proactive, contextual, and non-disruptive:

      • Passive monitoring of OT network traffic to identify anomalies and lateral movement

      • Behavioral baselining to detect deviations that signal compromise

      • Use of custom threat detection rules tailored to proprietary OT protocols

      • Collaboration with plant operators to correlate alerts with physical events

      • Integration of threat intelligence feeds and indicators of compromise (IOCs) relevant to ICS/SCADA systems

We help clients move from reactive defense to proactive detection—uncovering adversaries before they cause harm.

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Waiting for an alert isn’t good enough in OT. Threat hunting gives you the upper hand—before attackers flip the switch.

Your Proactive Security Partner

Customers work with Defy Security to simplify their buying experience. We provide initial assessment and analysis of technologies and custom proof of concepts. Our business analysis of licensing and financing structure saves you money. We oversee implementation and operation with staffing and services to ensure success.

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