Chantilly, Virginia · Western Fairfax County, next to Dulles
Managed Cybersecurity Services in Chantilly, Virginia
Capital Cyber provides managed IT and managed security for businesses in Chantilly, from our team in Leesburg: one team for the help desk, the devices, the network and the security tools, with onsite visits in western Fairfax County.
Remote support with onsite visits in this area.
How We Support Chantilly Businesses
Chantilly is inside the Northern Virginia area our Leesburg team visits in person, along the Dulles corridor. Support starts remote, and someone comes onsite for builds, network work and anything that needs hands.
The service is the same everywhere: a fixed monthly cost for managed IT, endpoint protection, Microsoft 365 and email security, backups with tested restores, and monitoring with a person who answers. The pages below explain each part.
Western Fairfax County, next to Dulles
What Do Chantilly Defense Suppliers Need From IT?
Chantilly sits in western Fairfax County next to Washington Dulles International Airport. It is the headquarters of the National Reconnaissance Office, and the Westfields business park and the office parks around it hold a dense group of defense and intelligence community suppliers, from large primes to small specialist firms.
For the small firms in that supply chain, the questions are less about the help desk and more about evidence: who logged in, what changed, whether an alert was seen and what was done about it. Monitoring, audit logging and incident response all appear in NIST SP 800-171, so this is where security operations and compliance meet. We run managed detection and response, endpoint protection and the logging behind it, and our Compliance Division, Capital Cyber Compliance, delivers the CMMC work. We claim no relationship with any agency named here, and classified work is outside what we do.
Virginia Law
What Virginia Requires After a Breach, and Why It Matters in Chantilly
Va. Code § 18.2-186.6. Notice to affected people: without unreasonable delay.
Virginia's breach notification law is Va. Code § 18.2-186.6. When a business finds that personal information of Virginia residents was accessed or acquired by an unauthorized person, it must give notice without unreasonable delay. The statute sets no fixed number of days.
The notice goes to the Office of the Attorney General and to each affected resident. When more than 1,000 people are notified at one time, the business must also notify the nationwide consumer reporting agencies.
Virginia also has the Consumer Data Protection Act, Va. Code § 59.1-575 and following. It applies to businesses that control or process the personal data of at least 100,000 Virginia consumers in a year, or at least 25,000 consumers while earning over 50 percent of gross revenue from selling personal data. Data used in the context of an employee or contractor role is exempt. Most small businesses fall under these thresholds, which is worth confirming rather than assuming.
This is a plain language summary for orientation, reviewed in October 2026. It is not legal advice. Ask counsel about your own facts.
Questions From Chantilly Businesses
5 QUESTIONSDoes Capital Cyber have an office in Chantilly?
No. Our team is based in Leesburg, Virginia. Chantilly is within the Northern Virginia and Washington, DC area where we visit clients onsite.
What does Virginia law require after a data breach?
Virginia requires notice without unreasonable delay to the Office of the Attorney General and to affected residents under Va. Code § 18.2-186.6, with no fixed day count.
Do you handle CMMC and other compliance work?
Yes, through our Compliance Division, Capital Cyber Compliance, at capitalcybercompliance.com. This page covers managed IT and managed security.
Do you provide 24/7 SOC monitoring for Chantilly contractors?
Yes. Our managed detection and response watches logs across your cloud, network and endpoints 24/7 from a security operations center, with incident response behind it.
Do you do classified work in Chantilly?
No. We manage unclassified business IT and security, including systems that hold Controlled Unclassified Information. CMMC work is delivered by our Compliance Division, Capital Cyber Compliance.
What We Manage
Managed Security Monitoring (MDR and SOC)
Round the clock monitoring, detection and response from a security operations center.
MFA and Endpoint Protection (EDR)
Multi-factor authentication, endpoint detection and response, and application control on every device.
Managed IT and Help Desk
Unlimited remote support, monitoring and maintenance at a fixed monthly cost.
Vulnerability Assessment and Penetration Testing
Find the weaknesses before an attacker does, then retest every fix.
Virtual CISO (vCISO)
Senior security leadership, a roadmap and governance, without a full-time hire.
For Government Contractors
IT support, managed security and CMMC experience for defense and federal suppliers.
For Accounting and CPA Firms
Managed IT and security for CPA firms, with the WISP and FTC Safeguards Rule in view.
For Auto Repair Shops and Auto Groups
Managed IT, networks and security for repair shops and multi-location auto groups.
For Dental Practices
Managed IT, managed security and HIPAA compliance management for dental practices and DSOs.
Nearby Places We Visit Onsite
More Places We Serve in Virginia
ALL VIRGINIATalk Through Your Chantilly IT.
Pick a time. Tell us how many people, locations and systems you run.
Looking for CMMC? Our Compliance Division, Capital Cyber Compliance, delivers it.
Under 25 people? Apply for an in-kind cybersecurity grant from Cyber Grants Alliance, a nonprofit. No cost to you.