Insider Threats: How companies can combat the rising risks from within

Jan. 16, 2025
Preventing insider threats not only protects the organization but also reinforces trust and operational resilience.

When cybersecurity professionals think of threats, external hackers or sophisticated phishing scams often come to mind. However, internal risks, including insider threats, are equally critical. These threats—originating within an organization’s own workforce—can devastate a company’s infrastructure, reputation, and operations. For businesses, tackling insider threats isn’t solely the responsibility of the security organization; HR holds the key to creating a secure, resilient culture from the inside out.

Understanding Insider Threats

Insider threats pose significant risks to organizations and generally fall into two categories. Malicious insiders are employees or contractors who intentionally exploit their access to sensitive systems or data. Driven by motives such as financial gain, revenge, or ideological beliefs, they can inflict significant harm by stealing information, sabotaging systems, or exposing confidential materials. In contrast, unintentional insiders compromise security inadvertently, often due to negligence, insufficient training, or simple human error. These individuals may mishandle sensitive files, fall victim to phishing schemes, or unintentionally expose critical credentials and create vulnerabilities that can be exploited.

External factors often amplify insider threats. Personal challenges like financial difficulties, addiction, or legal troubles can lead to risky behaviors that impact workplace safety and security. For instance, an employee with an undetected DUI in a safety-critical role, such as a truck driver, could pose significant risks to both the organization and the public.

Creating a Security-Conscious Workforce

Building a security-conscious workforce begins with creating awareness and making cybersecurity an integral part of the organizational culture. Human resources departments play a key role in driving this mindset, starting with the onboarding process. By integrating pre-hire screening, post-hire continuous monitoring, and cybersecurity training from the outset, new employees gain a foundational understanding of data protection protocols, regulatory compliance, and the risks posed by insider threats, both malicious and unintentional.

Phishing awareness is a critical component of these efforts. Regular training sessions equip employees with the skills to recognize and avoid phishing attempts and help reduce the risk of data breaches. Equally important are clear and accessible data handling protocols. Employees must understand how to securely store, transmit, and dispose of sensitive information to prevent accidental exposure or misuse. Regulatory compliance training further reinforces these efforts by educating employees about critical frameworks such as the EU’s General Data Protection Regulation (GDPR), the federal HIPAA law that establishes rules to protect sensitive patient health information, or the Cybersecurity Maturity Model Certification (CMMC), ensuring they are prepared to meet industry and legal standards.

By prioritizing these initiatives, organizations strengthen their defense against cyber threats and empower employees to take an active role in maintaining security. A well-informed workforce is a frontline defense capable of identifying risks and preventing potential breaches before they occur.

Strengthening Pre-Hire and Post-Hire Screening

A robust screening process is the foundation for protecting organizations against insider threats. Security organizations and HR teams can collaborate to establish comprehensive pre-hire and post-hire vetting mechanisms that identify and mitigate risks throughout an employee’s tenure. By combining thorough initial screenings with ongoing monitoring, organizations can create a dynamic approach to risk management.

Continuous evaluation tools are an essential component of this strategy. These tools provide real-time insights into employee and contractor risk profiles, flagging anomalies such as unusual behavior, financial distress, or legal issues that may indicate potential threats. Implementing role-based screenings adds another layer of protection by focusing additional scrutiny on positions deemed high-risk. These roles—often involving access to proprietary data, financial systems, or critical infrastructure—require enhanced vetting to ensure only trustworthy individuals are granted access.

By integrating these measures into a cohesive framework, organizations reduce the risk of insider threats and promote a culture of accountability. This proactive approach ensures that both employees and contractors are continuously evaluated.

Leveraging Technology for Threat Mitigation

Incorporating advanced technologies into HR and security practices significantly enhances an organization’s ability to detect and mitigate threats. One key approach is the implementation of Zero Trust Architecture (ZTA), which enforces strict access controls based on the principle of least privilege, where users and devices are granted only the minimum access necessary to perform their tasks. This ensures employees only have access to the data and systems essential for their specific roles and reduces the risk of unauthorized exposure or misuse of sensitive information.

Another powerful tool is AI-driven monitoring, which employs sophisticated behavioral analytics to identify unusual patterns that could indicate potential threats. For example, attempts to access restricted data, unusual file downloads, or other deviations from standard behavior trigger real-time alerts for security teams. These alerts enable rapid investigation and intervention, preventing minor issues from escalating into major breaches.

Ongoing Monitoring and Adaptation

As insider threats constantly evolve, businesses must adopt a vigilant and adaptive approach to maintain robust security measures. Regular audits are essential in this process, ensuring access privileges align with current roles and responsibilities. By quickly revoking access for departing employees or those transitioning to new roles, organizations can prevent unnecessary exposure to sensitive information and mitigate risks associated with insider threats.

Engaging employees in the process is equally important. Soliciting feedback from the workforce helps identify gaps in training and uncover areas where existing protocols may need reinforcement. This collaborative approach creates a culture of security awareness and empowers employees to contribute to safeguarding the organization.

Conclusion

For security professionals, partnering with HR is essential to countering insider threats effectively. Together, they can build a robust framework of awareness, vetting, and advanced technology to safeguard sensitive assets. Preventing insider threats not only protects the organization but also reinforces trust and operational resilience. By embedding security practices into the organizational fabric, businesses can transform insider threat prevention into a strategic advantage. The time to act is now.

About the Author

Raj Ananthanpillai | Founder and CEO of Trua

Raj Ananthanpillai is the founder and CEO of Trua, a pioneer in reusable, verified digital trust credentials. Before founding Trua, Raj served 13 years as the CEO of InfoZen, a risk management and digital credential solutions provider acquired by a publicly-traded company in 2017. Under his leadership, InfoZen developed, amongst many others, a system to pre-screen airline passengers for the U.S. Department of Transportation’s Trusted Traveler program, now known as the Transportation Security Administration’s (TSA) Pre-Check program. InfoZen also developed and managed continuous risk assessments for port, dock, and aviation workers as part of TSA’s and U.S. Coast Guard’s access and security programs.