01
Vulnerability assessment
Broad automated discovery with consultant triage, de-duplication and practical prioritisation.
Best for regular coverage across a larger estate.
Prove which weaknesses are real
Penetration Testing and Continuous Validation
Validate · Prove What Can Be Exploited
Validate combines vulnerability assessment, controlled agentic testingi, AI-assisted coverage and CRESTi-aligned human penetration testing. Your team sees what is genuinely exploitable, why it matters and whether the fix has been independently verified.
In plain English
AI automated scanning is a tool, not the solution.
Automated scanning can find a broad list of possible weaknesses, but it cannot reliably understand business logici, chain small issues together or judge what an attacker could actually achieve in your environment. Choose the depth that fits the decision: rapid vulnerability assessment, agentic testing that plans and adapts within agreed guardrails, or a scoped human-led penetration test. The Pentesys Portal controls the scope and evidence trail, while expert penetration testers can review and validate the results.
- 01Test applications, infrastructure, APIs and cloud environments
- 02Confirm exploitability and remove automated false positives
- 03Prioritise findings using technical evidence and business context
- 04Retest fixes and maintain an audit-ready record
Choose the depth of proof
Three ways to test. One route to verified closure.
The right method depends on whether you need broad discovery, continuous coverage or deep independent proof. Each route keeps confirmed findings, owners and retesting in the same portal.
02
AI-assisted continuous testing
Scheduled and change-triggered assessment, with qualified consultants validating findings before publication.
Best for changing applications and assurance between deep tests.03
Human-led penetration testing
Consultants investigate business logic, chain weaknesses and safely demonstrate real-world impact.
Best for launches, customer assurance and high-value systems.Controlled autonomy
Agentic testing can adapt.
Its authority cannot.
AI agents can plan, execute and adapt penetration-testing activity as evidence changes. The customer-approved scope and the Pentesys Portal guardrails still control targets, techniques, data handling, operating windows and stop conditions.
The agent selects the next permitted action from the evidence it discovers.
Scope, exclusions, approvals, rate limits and stop conditions remain explicit.
Actions and findings remain explainable and connected in the Pentesys Portal.
Qualified testers can reproduce material findings and investigate the paths that require human judgement.
What you gain
Verified risk. Clear evidence. Faster closure.
- 01Test applications, infrastructure, APIs and cloud environments
- 02Confirm exploitability and remove automated false positives
- 03Prioritise findings using technical evidence and business context
- 04Retest fixes and maintain an audit-ready record
How Pentesys works
From agreed scope to verified closure.
Scope
Agree objectives, boundaries and safe testing rules.
Test
Combine automation with creative human investigation.
Explain
Translate technical evidence into prioritised action.
Retest
Verify remediation and close the assurance loop.
Assurance loopFix · retest · releaseRepeat after change
→↓←↑- Live, human-reviewed findings with evidence and reproduction steps
- Executive and technical reports with business-impact prioritisation
- Specific remediation guidance and an owned portal workflow
- Included retest, closure evidence and assurance artefacts for customers or auditors
More than an annual penetration test
Choose the right testing model.
Human-led PTaaS, traditional point-in-time testing and AI-led automation solve different problems. Compare their typical strengths and decide where each fits within your assurance programme.
| Capability | Pentesys managed PTaaS | Traditional point-in-time pentest | AI-led automated testing |
|---|---|---|---|
| Independent human testing | Core to the service | Usually included | Normally limited or absent |
| AI-assisted testing | Used where it improves speed and coverage | Varies by provider | Core to the service |
| Contextual business-logic testing | Included | Included where scoped | Limited |
| Complex attack-path validation | Human-led and evidence-based | Available within scope | Depends on the platform |
| Testing cadence | Planned around risk and change | Commonly annual or project-based | Continuous or on demand |
| Remediation visibility | Live in the Pentesys Portal | Often report-based | Commonly platform-based |
| Business-risk prioritisation | Validated by experienced testers | Depends on the engagement | Primarily model- or severity-led |
| False-positive validation | Human reviewed | Human reviewed | May require customer review |
| Retesting after remediation | Built into the programme | Often separately scoped | Automated retesting may be available |
| Executive and technical reporting | Live and programme-level views | Usually delivered at completion | Usually dashboard-led |
| Best suited to | Ongoing, risk-led assurance | Defined point-in-time requirements | Fast, repeatable coverage and earlier feedback |
Not sure which route fits?Start with the decision you need the testing to support. We’ll recommend the most proportionate combination.
Discuss the right testing modelAnonymous customer outcome
From scanner noise to a smaller set of verified attack paths.
A digital-services organisation needed independent evidence before a major customer launch. Validate combined broad automated coverage with consultant investigation, allowing engineering to focus on confirmed risk and begin remediation while testing was still in progress.
“The live evidence made it clear what needed immediate engineering time—and what did not.”Get your Pentesys powered outcome
Scope and depth
What Validate can test.
Choose one defined system or combine scopes into a repeatable testing programme. The depth is agreed before work begins.
01
Web applications
Manual and automated testing of authentication, authorisation, sessions, input handling and business logic across critical user journeys.
02
APIs
RESTi, GraphQLi and SOAPi assessment covering broken object-level authorisation, data exposure, injection and role boundaries.
03
Infrastructure and identity
External and internal networks, Active Directoryi, Entra IDi, privilege escalationi, segmentation and exposed services.
04
Cloud environments
AWS, Azure and GCP identity, storage, networking, logging and configuration assessed against credible attack pathsi.
05
Mobile and client software
iOS, Android, desktop and thick-client testing covering storage, transport, permissions, update paths and backend trust.
06
Agentic and change-led testing
AI agents can autonomously plan, execute and adapt testing inside an authorised scope. Pentesys Portal guardrails control targets, techniques and evidence, with expert human review and validation available before findings drive decisions.
One working view
Findings appear when they are confirmed—not weeks later in a PDF.
The Pentesys Portal connects scope, live findings, evidence, owners, remediation and retesting. It also keeps Validate connected to Expose discoveries, Foundation evidence and any later Adversary exercise.
Explore the Pentesys Portal1Critical3High7Medium8Closed
H
Broken access controlHuman verified · remediation assigned
M
Security header weaknessRetest scheduled
Independently verified
CREST member for Penetration Testing.
Pentesys Ltd has met CREST requirements for Penetration Testing in EMEA. It gives customers independent evidence of the company standard behind our testing—not just individual qualifications.
View our current CREST certificate
Common questions
Penetration testing, without the ambiguity.
How is a vulnerability assessment different from a penetration test?
A vulnerability assessment efficiently finds and triages known weaknesses across a broad scope. A penetration test goes deeper: consultants investigate exploitability, chain weaknesses and test business logic and attack paths that automated scanners cannot reliably assess.
Does AI replace the penetration tester?
No. AI and automation increase coverage and speed. Qualified consultants provide judgement, manual exploitation, business-logic testing and validation. Pentesys clearly distinguishes AI-led, human-verified and fully human-led testing.
What is agentic security testing?
Agentic security testing uses AI agents to autonomously plan, execute and adapt testing as evidence changes. Pentesys constrains that autonomy within customer-approved scope, techniques, safety controls and stop conditions managed through the Pentesys Portal, with expert human review and validation available for material findings.
What can Pentesys penetration test?
Validate can cover web applications, APIs, mobile applications, external and internal infrastructure, Active Directory, cloud environments, wireless networks, segmentation, client software and agreed social-engineering scenarios.
When will we see critical findings?
Material findings are published to the portal and escalated as soon as they are confirmed, rather than being held until the final report. This allows remediation to begin during the engagement.
Is retesting included?
The published starting scopes include one retest of reported findings within the stated engagement window. Verified fixes are closed with evidence and reflected in the updated closure statement.
Is Pentesys CREST accredited?
Pentesys Ltd is a CREST member for Penetration Testing in EMEA. The current certificate is available on this page.
Trusted experience
Supporting recognised organisations.
Pentesys has continuously performed admirably during our collaboration, giving us faith in their knowledge. They delivered work that above our expectations by approaching each project with a deep understanding of our specifications. Their team demonstrated a remarkable degree of proficiency by effectively pinpointing weaknesses and offering practical suggestions to reduce possible hazards.
Unlike previous pentests that produced generic outputs, this engagement gave us clear, prioritised actions with real-world attack scenarios. The platform visibility into assets, vulnerabilities and remediation progress has helped us mature our security posture significantly. The team were professional, responsive, and genuinely cared about improving our security rather than just ticking a box.
The red team and external attack surface management work highlighted blind spots we didn't know existed. What stood out was the strategic guidance alongside the technical delivery – helping us shape a longer-term security roadmap rather than a one-off engagement. This felt like a partnership, not just a transactional assessment.
Pentesys has continuously produced excellent work. Their group demonstrated extraordinary technical proficiency by spotting crucial flaws and offering clever fixes that greatly strengthened our security stance. Their meticulous approach and attention to detail ensured that every facet of the project was covered in full.
We engaged Pentesys and the team for a complex penetration test and adversary simulation. The quality of the technical findings, realism of the attack paths, and clarity of reporting were outstanding. The recommendations were practical and mapped clearly to business risk, which made board-level conversations much easier. We've since built Pentesys into our ongoing security assurance programme.
Assurance that joins up
Recognised expertise, built around your environment.
Pentesys combines independent assurance, qualified testers and practical integration with the systems your teams already use.
INDEPENDENTLY VERIFIEDCREST member companyPenetration Testing · EMEA
View certificate ↗
SECURITY TESTINGCREST approvedAssured company standards and delivery
Why CREST matters →
RESPONSIBLE AIAI Charter signatoryTransparent, trustworthy use of AI
Our assurance approach →
ORGANISATION-WIDECyber Essentials certifiedCurrent to 12 August 2027
View certificate ↗Ready to apply this to your environment?
Define the test that answers the real question.
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