Which term refers to the practice of installing software that is not approved by the organization?

The term "Non-approved Applications" refers specifically to the practice of installing software that has not been vetted, authorized, or supported by the organization's policies and guidelines. This can pose various risks, such as security vulnerabilities, malware infections, and potential data breaches, since such applications might not comply with the organization's security protocols.

In a security context, organizations typically have stringent policies regarding which software can be installed on their systems to ensure data integrity and protection against potential threats. When employees install non-approved applications, they may inadvertently bypass security measures and expose the organization to risks that could have been mitigated with sanctioned software.

The other terms, while relevant to cybersecurity concerns, do not specifically address the act of installing unauthorized software. "Suspicious Email Traffic" relates to unusual patterns or behaviors in email communications, "Data Tampering" involves altering data in a way that may compromise its integrity, and "Unauthorized Downloads" could refer to downloading any content without permission, but doesn't specifically focus on the installation of software itself. Thus, the most accurate descriptor for the act of installing unapproved software is "Non-approved Applications."