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Secure Your Business. Operate with Confidence.

Managed cybersecurity services: built for SMBs and enterprises.

Cyber threats do not wait. Attacks are becoming more frequent, more automated, and more damaging: often targeting organizations that assume they are too small to be noticed. At garrisonOne, we help you stay ahead of these risks with practitioner-led security solutions built around your environment, your industry, and your specific threat exposure.

Request a Security Assessment

Why Organizations Trust garrisonOne

Practitioner-Led Engagements

Every engagement is led by experienced security practitioners, not junior analysts working from playbooks. The people who scope your assessment, run your penetration test, and advise your leadership are the same people who have done this work across hundreds of real environments.

24/7 SOC Vigilance

Your business never stops: and neither do we. Our Security Operations Center delivers continuous monitoring, rapid threat detection, and coordinated incident response around the clock, every day of the year, with no gaps in coverage.

Deep Compliance Expertise

HIPAA, PCI DSS, SOC 2, ISO 27001, CMMC: we have helped organizations navigate every major framework. We understand what auditors look for, where programs commonly fail, and how to build compliance programs that hold up under real scrutiny.

AI Security: Offense and Defense

We use AI to strengthen your defenses: faster threat detection, smarter alert correlation, predictive threat insights: and we build specific protections against AI-powered attacks including deepfake fraud, AI-generated phishing, and autonomous intrusion techniques.

Security Tailored to Your Industry

Healthcare organizations, financial institutions, government agencies, and educational institutions face different threats and different regulatory requirements. We build security programs around your actual operating environment, not a one-size-fits-all template.

Cloud-Native Security Architecture

From AWS to Azure, we design and implement security architectures built for modern cloud environments. Scalable, auditable, and aligned to the compliance requirements your organization operates under: not retrofitted from on-premise thinking.

Core Security Capabilities

Security Assessment & Audit

A comprehensive evaluation of your security posture across people, process, and technology. We identify where your real gaps are, prioritize them by risk, and give you a clear remediation roadmap: not just a list of findings.

Vulnerability Assessment & Penetration Testing

We go beyond scan reports to identify what actually matters. Prioritized, actionable findings based on real exploitability: not just theoretical risk scores. Network, application, and social engineering testing scoped for your environment.

AI Security Services

Security built for the AI era. We assess LLM deployments for prompt injection and data extraction risks, harden AI pipelines against adversarial attacks, and build defenses against the AI-powered threats: deepfakes, autonomous intrusion, and AI-generated phishing: increasingly targeting organizations today.

Identity & Access Management

Excessive access is one of the most exploited attack surfaces in modern breaches. We enforce least-privilege principles, eliminate standing privileges, and implement identity frameworks that reduce your exposure without disrupting operations.

Managed SOC Services

Alert fatigue is a real problem. Our managed Security Operations Center cuts through the noise to surface actionable intelligence, respond to real threats in real time, and keep your environment under continuous expert surveillance around the clock.

Cloud Security

Modern infrastructure requires modern security. We assess and harden cloud environments across AWS, Azure, and GCP: covering misconfigurations, identity and access controls, data exposure risks, and the compliance requirements that apply to your cloud workloads.

Threat Detection & Response

When a threat materializes, speed matters. We deploy detection engineering and incident response capabilities that identify attacker activity early, contain it fast, and restore operations with minimal disruption and documented lessons learned.

Compliance & Certification

HIPAA, PCI DSS, SOC 2, ISO 27001, CMMC: we help organizations meet complex regulatory requirements through structured gap assessments, remediation programs, and documentation that satisfies auditors and survives real scrutiny.

Virtual CISO Services

Security leadership without the full-time cost. Our vCISO engagements provide executive-level strategy, board reporting, regulatory oversight, and program management sized for organizations that need real security leadership but not a full-time hire.

Recent Engagements

Full IAM Overhaul

Deployed for a 35-person accounting firm: MFA enforcement, role-based access, and secure M365 migration

3 Critical Vulnerabilities

Found and remediated in 30 days via web application pentest for a 22-person e-commerce company

19 Security Gaps

Identified and 16 closed in 90 days for a 48-person distributor with no prior security program

AWS Environment Hardened

Cloud security assessment unlocked 2 stalled enterprise deals for an 18-person SaaS startup

What Our Clients Say

garrisonOne found vulnerabilities in our payment infrastructure that we had completely missed through years of self-assessment. Their team was methodical, communicative, and helped us understand exactly what needed to be fixed and why. We went from a failed QSA pre-assessment to full PCI DSS compliance faster than we thought possible.

Director of Engineering | E-Commerce Platform Read full story

500+

Security engagements delivered by our team across prior roles in healthcare, financial services, government, and education: now bringing that same expertise to garrisonOne clients.

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