Your success.Secured.
We protect the families, assets and businesses our clients have spent their lives building.
Greylock Security is a boutique security risk management firm built on three decades of law enforcement and private-sector security experience. We help clients manage risk over time through a suite of protective and investigative services, from security assurance audits and physical security risk assessments, to internal investigations and executive protection. Contact us today to discuss how we can become your trusted partner in security risk management.
Our team has led executive protection and event security for all ten 2020 Democratic Presidential candidates at a campaign forum in Las Vegas, coordinated long-term, 24/7 protection for a successful United States Senate candidate and family through a hotly contested statewide campaign, and provided short and long term security services to numerous clients in finance, tech, sports and entertainment.
Services
Security Assurance AuditOur Security Assurance Audit is an independent, comprehensive review of existing security and protective programs.Learn more
Physical Security Risk AssessmentsGreylock’s Physical Security Risk Assessment evaluates the current state of physical security at any property.Learn more
Protective ServicesOur Protective Services include Executive Protection, Event Security and Technical Surveillance Countermeasures (TSCM).Learn more
Investigations and Litigation SupportOur investigative work covers internal and workplace misconduct, financial fraud, threats and stalking of public figures, and private client matters.Learn more
Founder & CEO
Chris Ryan
A graduate of the University of Virginia School of Law, Chris is the former Chief of Violent Criminal Enterprises at the Manhattan District Attorney's Office, where he led an elite team of investigators responsible for dismantling sophisticated criminal organizations.
Chris Ryan is the founder and CEO of Greylock Security and a board-certified Physical Security Professional.
Full biographyChris is a regular contributor to national media outlets on issues of domestic and international crime and security
