In Testifying as an expert witness in computer crimes cases, Deb Shinder writes:
If you’re an expert in computers, networking, and related matters, you might be able to qualify as an expert witness in court cases (both criminal and civil) that involve the use of computers and networks. Here’s what you can expect if you go the expert witness route.
NOTE: Prosecutors and defense teams also sometimes employ “consulting experts,” who provide technical explanations and opinion in helping the prepare the case, but don’t actually testify in court.
Qualifying as an expert witness
Court systems cover different jurisdictions (city, county, state, federal) and each jurisdiction has its own set of rules. Most are based on the Federal Rules of Evidence, which say, “If scientific, technical, or other specialized knowledge will assist the trier of fact to understand the evidence or to determine a fact in issue, a witness qualified as an expert by knowledge, skill, experience, training, or education, may testify thereto in the form of an opinion or otherwise, if (1) the testimony is based upon sufficient facts or data, (2) the testimony is the product of reliable principles and methods, and (3) the witness has applied the principles and methods reliably to the facts of the case.”
Read more: techrepublic.com.