The Critical Pathway to Insider Risk

Most insider incidents do not begin with malicious intent; they begin with pressure. This article examines the Critical Pathway to Insider Risk and shows how Australian organisations can use it to detect and disrupt risk earlier.

Introduction

Most insider incidents do not begin with malicious intent; they begin with pressure. Financial stress, workload fatigue, interpersonal conflict or perceived injustice can gradually push even trusted employees toward risky decisions. This article examines the Critical Pathway to Insider Risk (CPIR), a behavioural model developed by Shaw and Sellers (2015) for the U.S. Intelligence Community, and explains how it applies to Australian organisations across public, private and critical infrastructure sectors. By integrating insights from the Attorney-General's Countering the Insider Threat (2023), the Protective Security Policy Framework (PSPF), and Core Integrity's applied experience, we demonstrate how the CPIR provides a practical blueprint for early detection, early intervention and ethical management of people-related risks. The aim is simple: help organisations identify, understand and disrupt insider risk long before compliance obligations or investigations are triggered.

Key takeaways

• Insider incidents often follow a predictable pathway, not a sudden event.
• Behavioural, cultural and people analytics matter as much as technical controls.
• Human-centred insider risk programs reduce surprise and improve response.
• Australian compliance settings such as SOCI and CIRMP align with CPIR thinking.
• Boards and leaders need governance, not just surveillance, to manage insider risk well.

Understanding the Critical Pathway to Insider Risk (CPIR)

Research by Shaw and Sellers (2015) found that insider acts evolve through a predictable and observable series of stages. Insider misconduct is rarely spontaneous; it develops through a pathway of personal, social, organisational and behavioural factors.

Key Insight

"The pathway to insider risk is both predictable and interruptible provided organisations can detect and intervene early." Shaw and Sellers (2015)

Nearly all insider offenders display concerning behaviours within 90 days of the incident, and 78% experience at least one major workplace stressor beforehand. These are clear opportunities for organisations to act.

Why traditional controls often fall short

Many organisations rely heavily on technical controls such as DLP, SIEM, IAM and UEBA. These are essential but insufficient on their own.

Technology captures actions, not intent

According to the 2024 DTEX i3 Insider Risk Report, nearly 80% of insider incidents arise from non-malicious behaviours such as negligence, burnout or misunderstanding policy. These human factors remain invisible unless combined with behavioural, cultural and people analytics.

Common pitfalls

• Treating insider risk as purely a cybersecurity issue.
• HR, Cyber, Risk and Integrity teams operating in silos.
• Lack of behavioural analytics or trust indicators.
• Deploying surveillance that is poorly explained, eroding employee trust; the strongest insider-risk control of all.

Building a Human-Centred Insider Risk Program

A modern Insider Risk Program (IRP) must go beyond compliance and detection. It must integrate behavioural science, governance, culture and ethical technology to create an environment where risks are understood and people feel safe to speak up early.

Core actions for leaders

Human-centred programs do not eliminate risk; they reduce surprise and increase the organisation's capacity to respond safely, proportionately and ethically.

Embedding the model in Australian compliance contexts

For critical infrastructure entities, the SOCI Act (2018) and CIRMP Rules (LIN 23/006) require organisations to manage Personnel Hazards as part of their Critical Infrastructure Risk Management Program. The CPIR provides a behavioural map that aligns closely with this requirement.

Integration points for Australian organisations

• Protective Security Alignment: Embed CPIR principles into physical security frameworks, ensuring personnel, physical and information security work cohesively.
• Enterprise Risk Integration: Position insider risk within the Enterprise Risk Management (ERM) framework, including risk appetite, reporting and heatmaps.
• Human and Cultural Integration: Link HR, Security, Integrity and Risk functions through shared governance, behavioural indicators and structured escalation pathways.

Regardless of sector, the challenge is the same: building a continuous loop between people, process and technology to detect, deter and respond to insider risk.

How Core Integrity supports organisations

Core Integrity helps organisations operationalise the CPIR and meet regulatory, governance and cultural expectations through a measurable, human-centric insider risk framework. We support clients to:

• Implement systems to identify behavioural and human risk early, before harm occurs.
• Ensure responses are ethical, proportionate and psychologically safe.
• Build trusted, resilient workplace cultures that reduce misconduct and improve detection.
• Develop metrics and reporting that give boards and regulators confidence your program is working.

Key Insight

"Insider risk isn't a cybersecurity issue, it's a people issue. And people risk must be managed with integrity."

References: Shaw, E. and Sellers, L. (2015). Application of the Critical-Path Method to Evaluate Insider Risks. CIA. | Lenzenweger, M. and Shaw, E. (2022). The Critical Pathway to Insider Risk: Brief Overview and Future Directions. | Attorney-General's Department (2023). Countering the Insider Threat - A Guide for Australian Government. | Department of Home Affairs (2023). Security of Critical Infrastructure (CIRMP Rules) - LIN 23/006. | DTEX i3 (2024). Insider Risk Investigations Report. | Securonix (2024). Insider Threat Report.

FAQ

What is the Critical Pathway to Insider Risk?

The Critical Pathway to Insider Risk is a behavioural model that shows how insider incidents often develop through observable stages rather than appearing suddenly. It helps organisations identify personal, social, organisational and behavioural factors before harm occurs.

Why are technical controls not enough on their own?

Technical controls are essential, but they capture actions rather than intent. Insider risk often involves negligence, burnout or misunderstanding policy, so organisations need behavioural, cultural and people analytics as well.

How does CPIR fit Australian compliance settings?

CPIR aligns closely with Australian requirements such as SOCI and CIRMP because those frameworks require organisations to manage personnel hazards. The model gives leaders a behavioural map they can use within broader risk governance.

What should leaders do differently?

Leaders should stop treating insider risk as only a cybersecurity problem and instead build a human-centred program. That means executive ownership, board oversight, better collaboration across functions and practical ways to detect and intervene earlier.