A hashing algorithm can be used to mathematically ensure that data haven't been changed by hashing a file and comparing the hashes after a suspected change.

Explanation/Reference:
Explanation:
The establishment of a security governance program is possible only with the support and sponsorship of top management since security governance projects are enterprise wide and integrated into business processes. Conducting a risk assessment, conducting a workshop for all end users and preparing a security budget all follow once high-level sponsorship is obtained.

Explanation
Although business process owners, an information security manager and the security steering committee may provide input regarding a configuration management plan, its final approval is the primary responsibility of IT senior management.