Business Investigator, Trademark Investigator, Copyright Investigator, Due Diligence, Cyber Investigator, Matrimonial Investigator, Skip Tracer, Background Check, Infidelity Check. Gaius Detection is a Private Investigation entity and providing Private Investigation and Protection services in India and Abroad since 1995. Corporate Cases: IPR Investigation: Assets Investigation/Verification: Cyber Security & Data Protection Data Recovery; Data Protection; Email Analysis; Image Recovery; Email Protection; System Protection; Employee Monitoring.