Solutions / Fractional Security
Fractional Cybersecurity Team & vCISO Services
A complete security team on demand: monitoring, response, and a security leader, without building an in-house SOC. The controls, documentation, and 24/7 coverage that insurers and clients expect, at a flat monthly rate. Remote-first, nationwide.
A virtual CISO and security team, without building a SOC
Detection, response, leadership, and documentation, delivered as a service.
Monitoring & response
SOC-monitored EDR and XDR with real people who detect and respond around the clock.
vCISO leadership
A virtual CISO who sets strategy, policy, and priorities for your security program.
Risk assessments
Regular assessments that find gaps and produce a prioritized remediation plan.
Email & phishing defense
Layered protection against the attacks that target your people first.
Compliance mapping
Controls mapped to SOC 2, HIPAA, and cyber-insurance requirements, documented.
Awareness training
Ongoing security training and phishing simulations for your whole team.
Why businesses choose ACS
Enterprise security outcomes without enterprise headcount.
Full team on demand
Analysts, engineers, and a security leader, ready from day one.
24/7 coverage
Always-on monitoring and response, not business-hours only.
Insurance and audit ready
The exact controls and evidence insurers and auditors require.
Flat, predictable cost
Enterprise-grade security on a budget you can plan around.
What practices say about working with us
As someone working in healthcare, protecting patient information is non-negotiable. Atlantic Computer Systems has been outstanding: knowledgeable, responsive, and always ahead o…
4 months ago
Atlantic Computer Systems has been fantastic to work with. Their team is knowledgeable, responsive, and always quick to help when issues come up.
4 days ago
Huge shoutout to an amazing IT team! Reliable, responsive, and always ready to help, no matter how big or small the issue. They keep everything running smoothly behind the scenes.
2 months ago
Our healthcare agency couldn't be happier with their service. Their team is always professional, responsive, and really understands the challenges of managing sensitive patient…
7 months ago
Four was amazing at helping me get set up! He answered all my questions and guided me so well with getting my access and software. He's always easy to reach and does great with…
2 months ago
Four has been very knowledgeable and available when it comes to technological issues. He always solved the problem and is always professional and kind. Great support team!
2 weeks ago
Atlantic Computer Systems is wonderful. I've personally interacted with Four and Ed. They are both very knowledgeable and professional. I would highly recommend them to anyone n…
2 months ago
Four Acuna is very friendly, patient, courteous and very knowledgeable.
5 months ago
I needed managed IT for my remote business, and these guys had the best deal I could find and a free cybersecurity audit! Thank you ACS.
7 months ago
Four is kind, helpful and solution oriented. I appreciate the patient and non-judgmental way I've been treated as a less tech-savvy person. Thank you Four!
2 months ago
As someone working in healthcare, protecting patient information is non-negotiable. Atlantic Computer Systems has been outstanding: knowledgeable, responsive, and always ahead o…
4 months ago
Atlantic Computer Systems has been fantastic to work with. Their team is knowledgeable, responsive, and always quick to help when issues come up.
4 days ago
Huge shoutout to an amazing IT team! Reliable, responsive, and always ready to help, no matter how big or small the issue. They keep everything running smoothly behind the scenes.
2 months ago
Our healthcare agency couldn't be happier with their service. Their team is always professional, responsive, and really understands the challenges of managing sensitive patient…
7 months ago
Four was amazing at helping me get set up! He answered all my questions and guided me so well with getting my access and software. He's always easy to reach and does great with…
2 months ago
Four has been very knowledgeable and available when it comes to technological issues. He always solved the problem and is always professional and kind. Great support team!
2 weeks ago
Atlantic Computer Systems is wonderful. I've personally interacted with Four and Ed. They are both very knowledgeable and professional. I would highly recommend them to anyone n…
2 months ago
Four Acuna is very friendly, patient, courteous and very knowledgeable.
5 months ago
I needed managed IT for my remote business, and these guys had the best deal I could find and a free cybersecurity audit! Thank you ACS.
7 months ago
Four is kind, helpful and solution oriented. I appreciate the patient and non-judgmental way I've been treated as a less tech-savvy person. Thank you Four!
2 months ago
Frequently asked questions
What is a vCISO?
A virtual Chief Information Security Officer: senior security leadership that sets your strategy and policies without a full-time executive hire.
Do you provide 24/7 monitoring?
Yes. Our SOC monitors and responds around the clock, not just during business hours.
Can you help with cyber insurance and audits?
Yes. We implement and document the controls insurers and auditors require, and help you complete questionnaires.
How is it priced?
Flat, predictable monthly pricing scaled to your size. Book a consultation for a tailored quote.
Enterprise security, without the headcount.
A free consultation on a fractional security team for your organization. No obligation.
Book a Free ConsultationRemote-first · nationwide · 30-day money-back guarantee
How we work with you
Not a ticket queue. You get real people who own your account.
Your own pod (larger clients)
A dedicated full-time team that knows your whole environment, not a rotating queue.
A named account manager
Everyone else gets one Technical Account Manager as a direct point of contact who owns your account.
Remote-first response
Most support, monitoring, and projects are handled remotely, so you are not waiting on a truck roll.
Onsite when it matters
Our own team comes to you for hands-on work and projects as needed, billed per project.