An insider threat may be executed intentionally or unintentionally.
No matter the intent, the end result is compromised confidentiality, availability, and integrity of an organization's systems and data.
Insider threats are the cause of most data breaches.Most times,traditional cybersecurity strategies, policies, procedures and systems focus on external threats leaving the organization vulnerable to threats From within .
Since the insider already has valid authorization to data and systems, it’s difficult for security professionals and applications to distinguish between normal and harmful activity.
How Can You Detect an Insider Threat
For secure cyber defenseagainst an insider threat, you have to keep an eye on anomalous behavioral and digital activity.In other words,shine your eyes wella 👀
Behavioral Indicators
There are a few different indicators of an insider threat that should be looked out for, including:
- A dissatisfied or disgruntled employee, contractor, vendor or partner.
- Attempts to circumvent security.
- Regularly working off-hours.
- Displays resentment toward co-workers.
- Routine violation of organizational policies.
- Contemplating resignation or discussing new opportunities.
Digital Indicators
- Signing into enterprise applications and networks at unusual times. For instance, an employee who, without prompting, signs into the network at 3am may be cause for concern.
- Surge in volume of network traffic. If someone is trying to copy large quantities of data across the network, you will see unusual spikes in network traffic.
- Accessing resources that they usually don’t or that they are not permitted to.
- Accessing data that is not relevant for their job function.
- Repeated requests for access to system resources not relevant for their job function.
- Using unauthorized devices such as USB drives.
- Network crawling and deliberate search for sensitive information.
- Emailing sensitive information outside the organization.
