The Insider Threat Challenge
Insider threats come from individuals with legitimate access who misuse it, whether maliciously, negligently, or unknowingly. They're among the most difficult threats to detect because the activities often resemble normal work.
Threat Categories
Malicious Insider
Intentional data theft, sabotage, or fraud:- Disgruntled employees
- Corporate espionage agents
- Financially motivated insiders
Negligent Insider
Unintentional security violations:- Sending sensitive data to personal email
- Using unauthorized cloud services
- Falling for social engineering
Compromised Insider
Legitimate credentials used by external attackers:- Phished credentials
- Malware-infected devices
- Session hijacking
Detection Approaches
User and Entity Behavior Analytics (UEBA)
Baseline normal behavior and detect anomalies:- Login times and locations
- Data access volumes and patterns
- Application usage
- Email and communication patterns
Data Loss Prevention (DLP)
Monitor and control data movement:- Email attachment scanning
- USB device control
- Cloud upload monitoring
- Print and screenshot detection
Access Pattern Analysis
- Access to data outside normal job function
- Bulk downloads before resignation
- Privilege escalation attempts
- Off-hours system access
Behavioral Indicators
Pre-Departure Risk
Employees about to leave show patterns:- Accessing files they haven't touched before
- Large downloads to personal devices
- Emailing documents to personal accounts
- Connecting USB storage devices
Escalation Indicators
- Accessing increasingly sensitive data
- Circumventing security controls
- Creating backdoor accounts
- Disabling logging or monitoring
Prevention
- Implement least privilege access
- Regular access reviews and certification
- Exit procedures with access revocation
- Security awareness training
- Positive workplace culture
Where SuperClue Fits
SuperClue's Windows Fleet agent watches 14 data loss channels, such as USB drives, cloud sync folders, email, and print, and can block USB devices or applications. It does not include user behavior analytics.