Enterprise-Grade Protection for SMBs

Uncompromising Security for Your Business

Defend your organization against ransomware, phishing, and zero-day attacks with our 24/7 Managed Security Operations Center (SOC).

24/7 Threat Monitoring
Industry Security Standards
Ransomware Guarantee
Rapid Incident Response

The Modern Threat Landscape

Cyber threats are no longer just about viruses. Today's attacks are targeted, persistent, and designed to bypass traditional defenses.

Phishing & Ransomware

Deceptive emails and malicious software that can lock your files and demand a ransom are becoming increasingly common and sophisticated.

Living off the Land

Sophisticated attacks that use your own administrative tools (like PowerShell) against you, making them incredibly difficult to detect with traditional antivirus.

Insider Threats

Whether malicious or unintentional, employees can pose a significant security risk. We help you mitigate this risk with proper access controls and monitoring.

Our Multi-Layered Defense

We provide a comprehensive, proactive defense to protect your digital assets using industry-leading technology.

Proactive Risk Management

We utilize Bitdefender's GravityZone PHASR to reduce your attack surface by up to 95%. By identifying and restricting unused applications and high-risk actions, we proactively eliminate vulnerabilities.

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Unified Threat Management

Our partnership with Bitdefender allows us to offer the GravityZone platform, a unified solution for proactive risk management, compliance, and rapid threat response.

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Tailored Security Policies

We don't believe in one-size-fits-all security. We work with you to develop and implement security policies that are tailored to your specific business needs and risk tolerance.

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Our Cybersecurity Process

A transparent, collaborative, and thorough approach to securing your business from day one.

1. Initial Consultation

We begin with a detailed discussion to understand your business, existing IT infrastructure, and specific security concerns.

2. Security Assessment

Our team conducts a thorough assessment to identify vulnerabilities, analyze risks, and pinpoint areas requiring immediate protection.

3. Tailored Recommendations

Based on our findings, we provide clear, actionable recommendations to enhance your cybersecurity posture and protect your business.

Comprehensive Security Services

From the gateway to the endpoint, we have your entire technology stack covered.

Internet Security

Comprehensive perimeter protection to stop threats before they enter your network.

  • Firewall Installation & Config
  • Deep Packet Inspection
  • Intrusion Prevention Systems
  • Web Content Filtering

Network Security

Secure your internal infrastructure and remote connections against unauthorized access.

  • VPN Configuration
  • Secure Remote Access
  • Network Segmentation
  • Wifi Security Audits

Email Security

Protect your primary communication channel from phishing, spoofing, and malware.

  • DMARC / DKIM Implementation
  • Advanced Spam Filtering
  • Link & Attachment Scanning
  • Business Email Compromise Protection

What Our Customers Say

5.0(6 reviews)

Trusted by businesses throughout Eastern Oklahoma and Western Arkansas

C

City Clerk

March 2026

I've worked with Jason Green for our IT support and can honestly say he's one of the most reliable and knowledgeable tech professionals I've come across. What sets Jason apart isn't just his technical expertise — it's the whole package. Whenever something goes wrong, Jason responds quickly and gets to the root of the problem without unnecessary back-and-forth. He clearly knows his stuff, but what I appreciate most is that he explains things in plain language without making you feel like you should already know the answer. He's easy to work with, professional, and genuinely invested in making sure things are actually fixed — not just patched. On more than one occasion he's gone out of his way to prevent future issues before they became problems, which has saved us real time and headaches. If you're looking for an IT person who is dependable, skilled, and actually pleasant to deal with, Jason Green is the real deal. Highly recommend

S

Sally Hutchison

Adams Abstract in Poteau

March 2026

Very Helpful, always gets back to you promptly.

Amy Osborne

Amy Osborne

Heavener City Hall

December 2024

We have used Green Computer Systems for years. They are fast, efficient and they always take care of all the details. I highly recommend them for all your IT needs.

D

Dustin

December 2024

The team at Green computer systems has never let me down. Our office is running on PCs built by this company, our network was installed by this company and our internet security and data is kept up to date through them. Jason has been very helpful in navigating our IT issues as they arise and has given prompt professional service.

K

Kalpesh Patel

Owner, HODL INN

December 2024

Green Computer Systems has been a fantastic partner for the Hodler Inn in Heavener, OK. They handle all our IT needs with ease, ensuring everything runs smoothly at our Bitcoin-focused hotel. The GCS team is professional, responsive, and always ready to help, allowing us to concentrate on giving our guests a great experience. We highly recommend GCS to any business looking for reliable and efficient IT support.

M

M K

March 2026

Ready to experience the same quality service?

Call 918-777-3700

Ready to Get Started?

Contact us today for a free consultation. We'll help you find the right IT solutions for your business.