Everfox is a cybersecurity firm headquartered in Herndon, Virginia, with more than 25 years of operational history. The company develops and delivers defense-grade, high-assurance cybersecurity technology designed to protect critical data and networks against complex threats. Its core technical domains encompass cross domain solutions, threat protection, and insider risk management.
The firm's primary offerings include cross domain solutions that enable secure data exchange across different security classifications, threat protection platforms, and systems focused on mitigating internal organisational risks. These products serve governments and enterprises operating in sectors where data integrity is paramount.
Everfox's client base is concentrated in the federal government, defence, intelligence, and critical infrastructure sectors. The company employs between 1,001 and 5,000 people and describes its operational ethos as dynamic, vigilant, and proactive, with a stated focus on innovating to support customer missions.






