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Excessive overtime can often signal a potential insider threat for several reasons. When an employee consistently works far beyond normal hours, it may suggest that they are engaged in activities that do not align with regular job responsibilities or protocols. This behavior could indicate that the individual is attempting to access sensitive information or perform unauthorized actions during times when fewer coworkers are present and oversight is minimal.

Additionally, excessive overtime may point to stress or dissatisfaction in the workplace, which can sometimes lead to malicious behavior. An employee who feels undervalued or threatened might resort to threatening actions such as data theft or sabotage. Monitoring work hours can provide valuable insights into employee behavior and help identify individuals who may pose a risk to organizational security.

In contrast, frequent travels, unusual spending habits, and close connections to coworkers might have various benign explanations and may not necessarily indicate a risk. Thus, while these factors can potentially raise concerns, excessive overtime more directly relates to behaviors that could signal deeper issues warranting closer attention.