Network Penetration Testing Services

Why Your Network Needs a Real Penetration Test

Most breaches do not begin with an exotic zero-day. They begin with an exposed service, a default password, an unpatched server, or a flat internal network where one compromised laptop opens the door to everything. A network penetration test finds those paths first.

Your firewall, your antivirus, and your monthly scan report can all look healthy while an attacker still has a clear route into your most sensitive systems. Automated tools are good at listing known issues, but they cannot chain small weaknesses together the way a human adversary does: using a low-risk misconfiguration to grab a credential, reusing that credential to reach a file server, then escalating to domain administrator. A network penetration test replicates that chain in a controlled way and shows you the specific sequence that would put your business at risk.

The stakes are highest for regulated and data-rich organizations. A ransomware event, a wire-fraud incident, or an exposure of protected health or cardholder data can become a legal, financial, and reputational crisis within hours. Cyber insurers now ask whether you test your defenses, enterprise customers demand proof before they sign, and frameworks like PCI DSS and CMMC require it outright. Testing turns "we think we are secure" into documented evidence you can hand to an examiner, an insurer, or a board.

Petronella Technology Group brings a defender's and an investigator's perspective to every engagement. Because our founder works real digital forensics and expert-witness cases, we have seen exactly how attackers behave once they are inside a network. We use that experience to test the things that actually get exploited, then translate the findings into a plan your team can act on. Pair a test with our managed cybersecurity services and the fixes get implemented, not just recommended.

What You Receive After the Test

A penetration test is only as valuable as the report that comes out of it. Ours is written to be used by two audiences at once: the leadership team that needs to understand business risk, and the technical staff who have to fix the findings. Every engagement closes with a clear executive summary, a full technical breakdown, and a practical remediation roadmap.

A prioritized findings report. Each vulnerability is rated by severity using industry-standard CVSS scoring, described in plain language, and paired with the evidence and the exact steps we used to exploit it. You see not only what is wrong but why it matters and what an attacker could do with it. Findings are ranked so your team can start with the issues that carry the most real risk rather than chasing a long, undifferentiated list.

Remediation guidance you can act on. For every finding we provide specific, tested recommendations, not generic advice to "apply patches." Where it helps, we walk your staff through the fix, and if you would rather we handle it, our engineers can implement the remediation directly. As founder Craig Petronella details in his cybersecurity writing, an unremediated finding is simply a documented risk you have chosen to accept, so we make closing the gap as straightforward as finding it.

A validation retest. After you remediate, we retest the confirmed findings to verify the fixes actually hold, and we provide an attestation letter suitable for auditors, cyber insurers, and enterprise customers. That closing loop is what separates a test that improves your security from a report that just gathers dust. When you want ongoing assurance, a cybersecurity risk assessment and periodic retesting keep pace as your network changes.

Penetration Testing for Compliance Requirements

For a growing number of businesses, penetration testing is no longer optional. It is written into the frameworks they must satisfy to keep contracts, process payments, and win enterprise customers. We design each engagement so it produces the specific evidence an assessor expects, while genuinely improving your security rather than just checking a box.

PCI DSS. Any organization that stores, processes, or transmits cardholder data must perform internal and external penetration testing at least annually and after significant changes. Our testing follows the PCI DSS requirements and segmentation-testing expectations, and the report is structured so your assessor can map findings directly to the standard. Learn more about PCI DSS compliance.

CMMC and NIST 800-171. Defense contractors and their suppliers must demonstrate that they assess and remediate vulnerabilities under the security-assessment controls of NIST 800-171 and CMMC 2.0. As a CyberAB Registered Provider Organization with a CMMC-RP certified team, we align testing with those control families and feed the results into your broader CMMC 2.0 readiness program, including SPRS scoring and documentation.

HIPAA, SOC 2, and cyber insurance. Healthcare organizations use penetration testing to support the risk-analysis and evaluation requirements of the HIPAA Security Rule, while companies pursuing SOC 2 attestation and those completing cyber-insurance applications increasingly must show independent testing. One well-scoped engagement can serve several of these obligations at once, which is exactly how we plan it.

Why Businesses Trust Our Testing