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Insider Threat

What is an Insider Threat?

An insider threat is a security risk that originates within an organization. Insider threat actors include current employees, consultants, former employees, business partners, or board members

A 2019 Verizon Data Breach Investigation Report reveals that 34 percent of data breaches involve internal actors. Seventeen percent of all sensitive files in a company are accessible to every employee, according to a 2019 Varonis Data Risk Report.


Key Takeaways


34 Percent of Data Breaches Involve Insiders

According to these statistics, insiders have the capabilities, motivations, and privileges to cause a data breach. In a 2019 SANS Report on Advanced Threats, security practitioners identified significant gaps in insider threat defense caused by lack of visibility into typical user behavior. The report also revealed weaknesses in privilege user account management.

Types of Insider Threats

There are different types of insider threats, including:

Previous Examples of Insider Threats

Some of the previous insider threats include:

Detecting Insider Threats

Various behaviors suggest the presence of an insider threat. Some indicators of insider threats include:

Preventing Insider Threats

Traditional perimeter security measures are not effective in detecting and preventing insider threats. You can employ the following security measures to respond to insider threats:

George Mutune

I am a cyber security professional with a passion for delivering proactive strategies for day to day operational challenges. I am excited to be working with leading cyber security teams and professionals on projects that involve machine learning & AI solutions to solve the cyberspace menace and cut through inefficiency that plague today's business environments.