Insider Threats Plague Critical Infrastructure as Human Error Drives 80-90% of Industrial Accidents

Explore the risks of human error in industrial settings, with 56% of breaches due to negligent insiders and solutions to mitigate threats.

By Content Team

Nov 23, 2025

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Human error accounts for 80-90% of industrial accidents, with negligent insiders responsible for 56% of cybersecurity breaches in operational technology environments. Critical infrastructure faces growing risks from disgruntled employees, compromised contractors, and foreign agents infiltrating supply chains.

Experts warn that operational technology personnel have wide-ranging system privileges, making simple mistakes like clicking wrong buttons or plugging in unauthorized USB drives potentially catastrophic. The challenge intensifies as third-party vendors often have the same access as internal staff but limited cybersecurity awareness.

While AI and behavioral analytics show promise for detecting anomalous behavior, experts emphasize they're tools to assist, not replace, strong organizational culture and process controls. Organizations must balance strict monitoring with maintaining workforce trust and morale to prevent creating a "policing culture" that breeds resentment.

Source: Industrial Cyber

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