What is investigation?

investigation meaning in Internet terms is Definition: A systematic and formal inquiry into a qualified threat or incident using digital forensics and perhaps other traditional criminal inquiry techniques to determine the events that transpired and to collect evidence.
Extended Definition: In the NICE Workforce Framework, cybersecurity work where a person: Applies tactics, techniques, and procedures for a full range of investigative tools and processes to include but not limited to interview and interrogation techniques, surveillance, counter surveillance, and surveillance detection, and appropriately balances the benefits of prosecution versus intelligence gathering.
Adapted from: ISSG V1.2 Database; Conrad, E., Misenauer, S., Feldman, J. (2010). CISSP Study Guide. Burlington, MA: Syngress; From: NICE Workforce


reference: Glossary | National Initiative for Cybersecurity Careers and Studies