What is the proper approach to handling evidence at a security incident scene?

• A. Preserve integrity, secure the scene, document all items, and follow chain-of-custody procedures.
• B. Destroy evidence to prevent panic.
• C. Move items to a different location for safety.
• D. Share items with vendors.

Answer: (A)

In incident response, evidence must be treated to preserve its integrity and admissibility. The proper approach is to secure the scene, thoroughly document every item that could be evidence, and maintain a clear chain of custody.

Securing the scene prevents tampering, contamination, or accidental changes that could affect the reliability of the evidence. Preserving integrity means handling items in a way that keeps them in the same condition as when they were discovered, avoiding actions that could alter or destroy data. Documenting all items creates an objective record of what exists, where it was found, and its initial condition, which is essential for later analysis. Maintaining chain of custody provides a documented timeline of who has handled each piece of evidence, when, and for what purpose, ensuring the evidence remains credible in investigations or legal proceedings.

Practically, this often means using proper packaging and labeling, restricting access to the scene, photographing or imaging items before moving them, and logging every action taken with each item. Destructive actions or unverified sharing—such as destroying evidence, moving items for convenience, or circulating them with unauthorized parties—undermine the investigation and can render evidence unusable.