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Insider Threats: The NIST Framework as a Guide
Insider Threats and the NIST Framework
Insider threats pose a significant risk to organizations. Unlike external attacks, insiders operate from within the organization itself, making the threat more difficult to detect and prevent. Based on the NIST framework and the experience of our experts, here are a number of areas that you can focus on as an organization to help you identify and prevent insider threats.
The Problem of Insider Threats
Malicious insiders can cause significant damage to an organization's digital infrastructure. Research shows that insider incidents are relatively common and can take a long time to detect and contain, with significant financial consequences. In addition to financial damage, they can also damage trust within teams in the workplace.
Not All Insiders Are Malicious
While we focus on malicious insiders below, it is important to realize that there are also other categories of insider threats, such as the unconscious insider. Not every person consciously ignores the rules. Although we do not explicitly address this category, it deserves attention in your organization's risk policy.
A Multidisciplinary Approach
Minimizing insider threats requires a multidisciplinary approach that integrates elements such as fraud prevention and organizational psychology. While fraud prevention focuses on measures and processes designed to detect, prevent and minimize fraud within an organization, organizational psychology focuses on understanding the behavior of individuals within your organization, as well as the impact of organizational structures and processes on their well-being and performance.
Although this article focuses on cybersecurity, it is important to also consider the above perspectives when developing an effective risk policy.
Roadmap for Identification and Prevention
- Risk Assessment: Conduct a thorough risk analysis to identify and quantify potential insider threats. Use the NIST framework to map risks and prioritize measures.
- Access Control: Implement strict access control mechanisms to prevent unauthorized access to sensitive systems and information. Limit access to what is strictly necessary for the performance of tasks.
- Monitoring and Detection: Use advanced monitoring tools to detect suspicious activity, such as unusual access patterns or excessive data copying.
- Awareness Training: Provide regular training and awareness programs for your employees to inform them about the risks of insider threats and how they can report suspicious activity.
- Response Planning: Develop a detailed incident response plan that specifically addresses insider threats. Define clear procedures for investigating, mitigating, and recovering from damage caused by insiders.
- Continuous Evaluation and Improvement: Regularly evaluate the effectiveness of the measures taken and adapt them based on new threats, technological developments and lessons learned from previous incidents.
For some organizations, the above is a lot of work, but we know from experience that taking a first step will help your organization towards a (cyber) safer working environment. Remember that the budget needed to implement mitigating measures is not an expense, but an investment that can prevent a lot of consequential damage.
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Insider Threats Remain a Significant Cybersecurity Risk for Organizations Worldwide
Insider threats continue to pose a significant cybersecurity risk for organizations worldwide. By implementing a robust risk policy based on the NIST framework and best practices, organizations can proactively identify, prevent, and effectively manage insider threats. With continuous evaluation, your organization can strengthen digital security and better protect itself against this internal threat.
For advice or more information, we invite you to contact us via:
Contact: +31 (0)70-800 2025
Or read more at: DeepBlue Security & Intelligence