Answer:
Computer forensics is gathering information or evidence from a computer system in order to use it in the court of law. The evidence gotten should be legal and authentic.
These organization gives certifications for computer forensics
1. Perry4law: they provide training to students, law enforcement officers. There services includes forensics training, research and consultancy.
2. Dallas forensics also offers similar services
3. The New York forensics and electronic discovery also teach how to recover files when deleted, how to get information from drives and how to discover hidden information.