Cybersecurity Services in McLean, Virginia

Start with the providers listed on this page, which serve McLean either from Virginia locations or remotely. Compare at least two on the services they include, their experience with businesses your size, how they handle incidents, and references from similar clients. Our guide on how to choose a cybersecurity provider lists the questions to ask.

Providers in this directory that list CMMC services and serve McLean include Capital Cyber and CMMC Ready Now and Telco United. We do not rank providers or describe any of them as CMMC certified, because CMMC is a Department of Defense program that assesses defense contractors. Ask any consultant to explain the current DoD requirements: on July 13, 2026 DoD suspended CMMC Phase II, and Phase I self-assessments remain in place.

This directory lists Capital Cyber and CMMC Ready Now and Telco United as providers with CMMC services available to Northern Virginia businesses, including in McLean. Northern Virginia has many defense contractors, so look for a consultant who can show prior CMMC or NIST SP 800-171 project work and explain how they would prepare your self-assessment and System Security Plan.

If a breach of unencrypted personal information causes, or you reasonably believe it has caused or will cause, identity theft or other fraud to a Virginia resident, you must notify the Office of the Attorney General and every affected resident without unreasonable delay. If you notify more than 1,000 people at one time, you must also notify the Attorney General and the consumer reporting agencies. Source: Code of Virginia, section 18.2-186.6.

Mason SBDC: Virginia SBDC office listed for Arlington, Fairfax and Prince William, 703.277.7747. Virginia APEX Accelerator at George Mason University: No cost government contracting counseling for Virginia based companies. Northern Virginia office at 10306 Eaton Place, Suite 180, Fairfax. Virginia SBDC cybersecurity program: Webinars and guidance for small businesses on protecting customer data and systems. CISA Region 3: The federal cybersecurity agency's regional office for Delaware, DC, Maryland, Pennsylvania, Virginia and West Virginia: risk mitigation advice, assessments and trainings.

Yes, some options cost nothing. CISA offers no-cost Cyber Hygiene vulnerability scanning to U.S. public and private sector critical infrastructure organizations and keeps a list of no-cost services and tools. Eligible small businesses and defense contractors can also apply for Cyber Grants Alliance in-kind grants, delivered at no cost to them.

Not always. Monitoring, policy work, and most assessments can be delivered remotely, while on-site network or hardware work is easier with a provider nearby. Several providers on this page serve McLean remotely, so ask each one whether they offer on-site visits if you need them.