SKS Stone-Knight Security
SKS

Identify Risks.
Protect Your Business.

An adversarial approach to security — we find what attackers would, before they do.

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Our Approach

At Stone-Knight Security, we take an adversarial approach to protecting your business. Our team combines manual tradecraft with industry-leading automated tools to identify exploitable vulnerabilities across your applications, networks, and cloud environments — before an attacker does.

We assess your true security posture against real-world attack techniques, including privilege escalation, injection attacks, unauthorized access pathways, and sensitive data exposure. Every engagement is scoped to your environment and calibrated to the threats most relevant to your industry.

Our assessments are designed to meet recognized security standards, including PCI DSS penetration testing requirements, NIST frameworks, and sector-specific compliance mandates. Whether you need a point-in-time penetration test or an ongoing vulnerability management program, Stone-Knight delivers findings that are clear, actionable, and tied directly to business risk — not just a list of CVEs.

What you get

What We Do

Services

Offensive depth across the full attack surface — networks, applications, cloud, and compliance.

Penetration Testing

Our penetration testers simulate the full attack chain — reconnaissance, exploitation, lateral movement, and exfiltration — across your networks, applications, and cloud environments. You get a clear picture of what a real adversary could do, and exactly what it takes to stop them.

Dynamic Testing (DAST)

Stone-Knight's DAST program goes beyond one-time scans. We run continuous dynamic testing against your live applications and pair the findings with direct access to our security professionals — so vulnerabilities get remediated, not just reported.

Application Assessments

Our Static Application Security Testing (SAST) service analyzes your source code and binaries before deployment — identifying vulnerabilities at the root rather than in production. Whether you need a one-time assessment or help implementing a SAST program from the ground up, our application security specialists build security into your development lifecycle from day one.

Compliance & Regulatory

Compliance frameworks exist for a reason — but navigating them without the right expertise costs time, money, and sleep. Stone-Knight has worked across PCI DSS, HIPAA, CMMC, and FedRAMP environments and knows where organizations consistently fall short. We assess your current posture against the specific controls that apply to your business, deliver a clear remediation roadmap, and help you walk into your next audit prepared.

Cloud Security

Cloud misconfigurations are among the most exploited attack vectors in modern breaches. Stone-Knight's cloud security assessments evaluate your AWS, Azure, or GCP environments against real-world attack techniques — identity and access controls, storage exposure, network segmentation, and workload security — delivering actionable findings before an attacker finds them first.

Vulnerability Assessment

A vulnerability assessment gives you an accurate picture of your security posture at a given moment in time — but the threat landscape doesn't stand still. Stone-Knight structures VA engagements as part of a continuous risk management program, ensuring your organization isn't just secure today, but maintains that posture as your environment evolves. We deliver prioritized findings mapped to business impact, not just raw CVSS scores.

Who We Serve

Use Cases

Every industry carries its own threat profile. We scope each engagement to the attacks that actually matter for your sector.

Retail

Point-of-sale systems, e-commerce platforms, and cardholder data make retail a constant target. We test against PCI DSS requirements and the payment-fraud techniques attackers use in the wild.

Financial Industry

Financial institutions face well-funded, persistent adversaries. We assess transaction integrity, access controls, and regulatory exposure with the rigor that auditors and account holders both demand.

Healthcare

Protected health information is among the most valuable data on the black market. We evaluate your environment against HIPAA controls and the ransomware and access-abuse patterns hitting healthcare hardest.

Small & Midsize Business

SMBs are targeted precisely because attackers expect light defenses. We deliver enterprise-grade assessment scoped and priced for organizations that can't afford a dedicated security team — or a breach.

Our Story & Team

We built Stone-Knight the way we believe security should be practiced — with honesty, accountability, and a genuine partnership with every client we take on.

Stone-Knight Security was built on a simple premise: most organizations don't know what they don't know. Threat actors count on that gap. We close it. Founded by security practitioners with hands-on experience across federal, defense, and commercial sectors, Stone-Knight brings a mission-driven mindset to every engagement. Our backgrounds span offensive security operations, compliance and risk management, cloud architecture, and incident response — giving our clients a team that has seen attacks from both sides of the wire.

We don't staff engagements with junior analysts chasing certifications. Every Stone-Knight consultant brings verified technical depth, relevant industry credentials, and a track record of delivering results under pressure. Our team holds certifications including CISSP, CEH, OSCP, and others aligned to the specific disciplines we practice.

What sets us apart isn't just what we find — it's how we communicate it. We translate complex technical risk into business language that executives can act on and security teams can execute against. That commitment to clarity and follow-through is what keeps our clients coming back.

Integrity

We tell you what we find, not what you want to hear.

Partnership

We stay engaged beyond the report until risk is resolved.

Precision

Every finding is scoped, validated, and tied to real-world impact.

Threat Intelligence

Recent Advisories

Notes from the field on vulnerabilities we consider worth your attention.

Ready to see what an attacker would?

Scope an engagement with a team that stays engaged beyond the report.

earl@stone-knight.com