Private investigations that include surveillance services to monitor the integrity of people; due diligence investigations prior to mergers, acquisitions, and investments to ensure accurate information is presented; intellectual property and brand protection through surveillance, interviews, research, and law enforcement liaison; risk assessments to protect life and business operations; intelligence gathering in the form of business and competitive intelligence; security advising in the form of domestic and foreign travel and business operations; cyber security to protect data and critical digital infrastructure; forensic data analysis from electronic devices; technical surveillance countermeasures to protect privacy, and guard against surreptitious technical surveillance; undercover investigations in the form of infiltration of extremist organizations; open-source intelligence in the form of gathering information in public sphere mainly through digital deep web intelligence gathering; litigation support in the form of gathering information to present to litigators