What consequence is associated with the unauthorized introduction of classified data into an information system?

The introduction of classified data into an information system without authorization is identified as a spillage incident. This term specifically refers to the accidental or intentional mixing of classified information with unclassified information, which can compromise the integrity and confidentiality of sensitive data.

When classified data is improperly introduced into an unclassified system, it can lead to significant security risks, such as the potential exposure of sensitive information to individuals who do not have the proper security clearance. This scenario necessitates immediate action to contain the spill, assess the extent of the breach, and implement remedial measures to prevent future occurrences. The situation may also trigger a detailed investigation to understand how the incident occurred and to ensure accountability.

In contrast, while increased security measures and routine checks are generally important for maintaining information security, they are responses to a potential risk rather than the direct consequence of unauthorized data introduction. Investigative reports may arise from a spillage incident, but the classification as a spillage incident is what defines the specific security breach in this context.