Network01
Network Vulnerability Assessment
We review your internal and external network for missing patches, weak configurations, exposed services, and default credentials, the backbone of most assessments.
Vulnerability Assessment · Threat & Vulnerability Management
Vulnerability Assessment Services: from thousands of findings to the few that matter
Analyst-validated vulnerability assessment services across network, web, cloud, and IoT/OT. We find and rank every weakness, cut the false positives, and hand you a short, prioritized list of what to fix first, not a 200-page scan export nobody acts on.
Why InterSec
VRS Pentesting BPACommonwealth of Virginia BPA for penetration testing & security assessment
ISO 27001 / 42001 / 9001Information & AI mgmt + Quality
Commercial & Federal proofFinTech, IIoT, and public-sector engagements delivered
Method-driven assessmentNIST SP 800-115 · CVSS · OWASP · CIS Benchmarks
Certified assessorsOSCP · CEH · CREST
Compliance-alignedEvidence for CMMC, NIST 800-171, PCI DSS, SOC 2, HIPAA
SBA SDB · NMSDC MBEMinority-owned Virginia corporation
Assessed for
FinTech / Wealth Intelligence Global IIoT Provider Commonwealth of Virginia Defense Industrial Base SaaS & Technology Healthcare & Financial
The basics
What is a vulnerability assessment?
A vulnerability assessment is a systematic review of your systems to identify, classify, and prioritize security weaknesses. It answers a simple question: where are we exposed, and how bad is each gap? The output is a ranked list of vulnerabilities with severity ratings, business context, and remediation guidance, so your team knows exactly what to fix first.
A raw scan
Hundreds of findings, plenty of false positives, ranked by generic severity. Volume without business context.
A vulnerability assessment
An analyst validates every finding, cuts the noise, and ranks what is left by real business risk. A short list you can act on.
A vulnerability assessment is broad; a penetration test is deep. The assessment maps every unlocked door and window; the test walks through one to prove what an attacker could reach. Run together, they are known as VAPT. For the full background, read our guide to penetration testing and assessments.
What we assess
One vulnerability assessment across every part of your environment
Different assets hide different weaknesses, so we scope the assessment to what you actually run, then bring the same analyst-led validation to each layer of your estate.
Web app02
Web Application Assessment
We assess your web apps against known weakness classes, including the OWASP Top 10, to find the flaws attackers probe first before they are exploited.
Cloud03
Cloud Configuration
Cloud environments fail through identity and misconfiguration more than classic exploits. We review accounts and workloads against recognized baselines like the CIS Benchmarks.
IoT / OT04
IoT & OT Device Assessment
Connected and industrial devices carry risk standard IT scanning misses. We assess these environments in the field, drawing on work securing live industrial device fleets.
Not sure how wide to go? We help you size the assessment to your real risk and your budget, not a fixed package.
Assessment + testing
Vulnerability assessment and penetration testing (VAPT)
Sometimes a ranked list of weaknesses is enough. Other times you need proof of what those weaknesses actually allow. Running the two together gives you the full picture in one engagement.
Vulnerability assessment
The breadth. Finds, validates, and ranks weaknesses across your whole environment, so you know exactly where you are exposed.
Penetration test
The depth. Exploits the highest-risk findings to prove real business impact, the kind of evidence auditors and boards expect.
This pairing, vulnerability assessment and penetration testing, is what many organizations mean by VAPT, and it is often what a framework or board expects to see. When you are ready to add exploitation depth, our penetration testing services plug straight into the same engagement.
How we run it
A repeatable, evidence-based vulnerability assessment
A good assessment is repeatable and low-disruption, aligned to recognized standards, and scheduled around your operations. Here is the sequence, and the standards behind it.
PHASE 01
Scoping & Discovery
We agree targets, timing, and rules of engagement, then map your live assets, because you cannot assess what you did not know was there. Shadow IT surfaces here.
Agreed scope & timing Live asset inventory Shadow IT surfaced
PHASE 02
Assessment
We combine trusted scanning with manual review to identify weaknesses across the agreed scope, going beyond what any single tool reports on its own.
Automated + manual review Full-scope coverage Weaknesses enumerated
PHASE 03
Validation & Prioritization
An analyst confirms findings and removes false positives, then ranks each by CVSS severity plus your business context, so effort goes where the real risk is.
False positives removed CVSS + business context Ranked by real risk
PHASE 04
Reporting & Retest
We deliver a clear report for leadership and engineers, then stay available to help your team fix the gaps and recheck the environment once they do.
Executive + technical report Remediation guidance Recheck of fixes
NIST
NIST SP 800-115
The NIST technical guide to information security testing and assessment, the backbone of a structured, repeatable methodology widely referenced for federal and DIB work.
CVSS
Common Vulnerability Scoring System
The industry-standard way to score severity. We combine CVSS with your business context, so a medium flaw on a critical system can outrank a high one on a test box.
OWASP
OWASP Top 10 & Testing Guide
The reference for web and API weaknesses, directing assessment toward injection, broken access control, and the cryptographic failures scanners often miss.
CIS
CIS Benchmarks
Consensus hardening baselines for operating systems, cloud, and services, used to assess configurations against a recognized, auditable standard.
Want the deeper background on methods and standards? Read our guide to penetration testing and assessments.
What you receive
Clear scope, a usable report, and fixes you can verify
The deliverable is not a raw scanner export. It is a validated, prioritized understanding of your real risk, written for the people who have to act on it, from the board to the engineers doing the remediation.
Scoping that fits your risk
- A scope tied to your real environment, not a generic checklist
- Clear rules of engagement and asset discovery, including shadow IT
- Point-in-time or recurring, sized to your environment and budget
A report you can act on
- An executive summary that frames findings as business risk
- Technical detail, evidence, and affected assets for every finding
- A real sample assessment report we walk you through on your call
Prioritized, verifiable fixes
- Findings ranked by CVSS plus business context, not raw severity
- Practical remediation guidance your team can actually work through
- A recheck to confirm the gaps are genuinely closed
See the real thing. Ask for a redacted sample assessment report on your scoping call, so you know exactly what your team will receive before any work begins.
Request a sample report Compliance-driven assessment
The assessment your framework expects, mapped to your evidence
Regular vulnerability assessment is not just good practice; several frameworks expect it, and skipping it can stall an audit. We came up through federal and regulated work, so we align assessments and reporting to the frameworks you answer to. Our experience is real: we ran the assessment work behind securing information systems for the Administrative Office of the U.S. Courts.
- CMMC Level 2 and NIST SP 800-171 expect regular assessment for defense contractors handling Controlled Unclassified Information.
- PCI DSS requires vulnerability scanning and assessment for organizations that store or process payment card data.
- HIPAA security risk analysis expects assessment of systems holding protected health information.
- SOC 2 and ISO/IEC 27001 rely on regular assessment to validate security controls.
Assessment inside a compliance program
An assessment is most valuable when it feeds your wider compliance and remediation effort.
Evidence for assessorsReport-ready
Mapped to your frameworkCMMC · NIST · PCI
Findings into remediationPrioritized
Pursuing CMMC? We pair vulnerability assessment with full CMMC compliance consulting, so your findings plug straight into your SSP, POA&M, and evidence package.
Proof, not promises
Real engagements, real risk reduced
From a global IIoT provider securing tens of thousands of devices, to a FinTech firm protecting high-value financial data, to the federal judiciary keeping 22 interconnected systems assessment-ready, here is what analyst-led work actually delivered.
ICS / IIoTModbus · DNP352,000+ customers
Global IIoT Provider · 2,000+ device SKUs · 39B+ data readings
Specialized ICS assessment cut major exploitable flaws by 90 percent.
A leading Industrial IoT provider relied on control protocols like Modbus, DNP3, and RS-232 that standard scanning routinely misses. InterSec built a specialized lab that emulated real industrial conditions, ran hardware and firmware analysis, and prioritized findings by operational impact, all while minimizing disruption to live device fleets.
90%
Reduction in major exploitable flaws
52,000+
Global customers protected
ICS
Protocol-specific assessment
Lab
Real-world emulation
ICS/IoT assessment for a major IoT provider How ICS-aware work cut major IoT flaws by 90%
FinTechBug bounty
Wealth Intelligence Company · 20+ years in FinTech
A bug-bounty-style program cut critical vulnerabilities by 75 percent.
Traditional testing was not surfacing critical vulnerabilities fast enough for stakeholders. InterSec introduced a bug bounty approach focused on valid, high-impact findings, with rapid triage and transparent reporting that reinforced investor confidence.
75%
Critical vulnerabilities reduced
Cost-efficient
Spend focused on real risk
FederalAssessment
Administrative Office of the U.S. Courts · 22 interconnected subsystems
Continuous assessment kept the federal judiciary authorized.
Sensitive legal data spread across 22 interconnected subsystems that had to stay assessment-ready. InterSec ran advanced assessment and testing alongside policy review and user education, surfacing what routine scans miss and keeping DOJ and FISMA obligations met.
22
Subsystems kept authorized
FISMA · DOJ
Requirements fully met
Why InterSec
Analysts who cut the noise and report like consultants
A vulnerability assessment is only as good as the analyst reading the results and the report they hand back. We pair validation and prioritization with the business context that makes findings actionable.
Human analysts, not just tools
A scanner produces volume; an analyst produces clarity. We validate every finding by hand so you spend your time on real risk, not chasing false positives.
Ranked by real business risk
We combine CVSS severity with your business context, so a medium flaw on a critical system outranks a high one on a test box, and remediation effort lands where it matters.
Federal and regulated track record
We have assessed environments where oversight is real, including federal judicial systems, the Defense Industrial Base, and regulated commercial industries.
Independent, services not software
InterSec sells services, not a scanning product, so the only agenda is finding your real risk and helping you close it, not steering you toward a tool.
Frequently asked
Vulnerability assessment questions, answered
What is the difference between a vulnerability assessment and a penetration test?
A vulnerability assessment finds and ranks weaknesses across your whole environment. A penetration test goes deep on a focused set of targets and proves how far an attacker could actually exploit them. Many organizations run both, often together as VAPT.
How often should we run a vulnerability assessment?
Most organizations assess quarterly and again after any significant change to their systems. Several compliance frameworks expect assessment on a regular cadence, so confirm the frequency your obligations require during scoping.
Do you just run an automated scanner?
No. Scanning is one input. An analyst validates the results, removes the false positives, and prioritizes findings by real business risk. That human step is the service, and it is the difference between a wall of alerts and a plan you can act on.
What is in the vulnerability assessment report?
A ranked list of findings, each with a severity rating, the affected assets, business impact in plain language, evidence, and remediation guidance, plus an executive summary of your overall risk. We can walk you through a redacted sample report on your scoping call.
How long does a vulnerability assessment take?
A focused assessment can take a few days; a large or multi-environment estate takes longer. The active window depends on the size and complexity of the in-scope environment. We confirm a firm timeline with you during scoping so there are no surprises.
Which compliance frameworks require a vulnerability assessment?
CMMC, NIST SP 800-171, PCI DSS, HIPAA, SOC 2, and ISO/IEC 27001 all expect some form of regular assessment. Your exact obligation depends on the framework, so check with your compliance team, and see our compliance penetration testing for testing scoped to each one. Our reports are written to provide the auditable evidence these frameworks call for.
Do you help us fix the issues?
Yes. We provide prioritized remediation guidance your team can work through, and we can recheck the environment once the fixes are in to confirm the gaps are closed.
See where you stand, then fix what matters
A short scoping call with one of our practitioners. We will size the assessment to your environment, agree a scope, and give you a clear, fixed quote, with no obligation.
Booked through Microsoft Bookings · NDA on request · Zero obligation
- An assessment sized to your environment and budget
- Findings validated by an analyst, not just a scan
- A ranked, plain-language report for leadership and engineers
- Remediation guidance and a recheck of the fixes