Exam CISA topic 1 question 991 discussion

Physical Destruction

Physical destruction involves physically damaging the storage medium, making it extremely difficult or impossible to recover any data. This can be done through methods such as shredding, incineration, or disintegration. Physical destruction ensures that the data cannot be reconstructed or retrieved. While other methods like random character overwrite, degaussing, and low-level formatting can be effective to some extent, physical destruction is considered the most secure method for ensuring that sensitive data cannot be recovered from the media.

A. Physical destruction Physical destruction is typically considered the most effective method of destroying sensitive data stored on electronic media. This involves physically damaging the storage medium, such as hard drives or solid-state drives, to the point where data recovery is practically impossible. Common methods of physical destruction include shredding, crushing, or incinerating the media. While other methods like random character overwrite (often called data wiping or secure erasure), degaussing, and low-level formatting can be effective to some extent, physical destruction ensures that the data cannot be recovered because the underlying storage media is physically destroyed. This is especially important for highly sensitive or classified information where there should be no chance of data recovery.

Agree on A, most effective

A: Physical destruction.

I think C