AI Pentest for teams building critical software · one-time engagement
Find vulnerabilities before attackers do.
Plexicus runs an AI Pentest against the applications your company develops, reproduces real attack paths and delivers prioritised evidence so your team knows what to fix first.
Find the vulnerabilities before someone else finds them.
Speak with our founder, José Ramón Palanco. Around 20 years of cybersecurity experience. Share the scope and we will tell you if it fits.
Nexus turns technical findings into an actionable decision.
Nexus does not look for matches. It thinks like an attacker.
It explores the authorised application, maps real paths, tests the evidence and reports only what your team can replay and prioritise.
- Signed scope guard
- Independent replay
- No production changes
AI Pentest — NexusBusiness application Q2 · authorised environment POST /api/session/validate HTTP/1.1
Content-Type: application/json
request: approved test case
# Sensitive content is omitted from this illustrative view.Nexus compares the baseline with the observed response. A finding is not marked as verified until another run reproduces the evidence within the authorised scope.
Findings
The run remains within the agreed scope. You can leave this view: evidence and the report are retained.41%
Configuration
- Target
- Authorised application
- Access
- Test access
- Scope
- Checkout + account
- Started
- Scope confirmed
Attack graph
Critical High MediumEvidence gallery
04 capturedFindings · 4
VALIDATEDAs one of Plexicus's first customers, we've witnessed firsthand how their platform has evolved into an indispensable security solution. Their AI-powered remediation has dramatically reduced our vulnerability management overhead and allowed our security team to focus on strategic initiatives instead of repetitive fixes.
Every unpatched finding is debt you already carry. The challenge is knowing what is real — and what to do next.
Your external pentester hands you a report. Your in-house team still has to decide what to do with it. Meanwhile, every unclosed finding is cognitive debt on your core: the team stops understanding its own surface, questions pile up, and the next audit may find the same things again.
A scanner compares signatures and a chatbot gives advice. Nexus explores attack paths and connects the evidence. AI does not replace your judgement: Plexicus Remediator turns every verified finding into a correction proposal your team can review in sandbox.
What you get — and what you don't.
If what you need is in the right column, this product isn't for you. We'll tell you in the qualification so nobody wastes theirs.
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Automated analysis of your repo and/or container image with Nexus. -
Report prioritised by real risk (CVSS + context), not by order of arrival. -
AI Remediation with Plexicus Remediator: correction proposals reviewed in sandbox before delivery. -
A handover session with your technical team. -
Scope and scope guard confirmed before work starts.
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A signature scanner, a security chatbot, or an agent without a signed scope. -
A classic multi-day on-site human pentest. -
An endless list of 'potential issues' with no prioritisation. -
Automatic modifications to production. -
Ongoing strategic consulting, CISO-as-a-service, or an annual subscription.
Three steps. One actionable result.
From an agreed scope to prioritised evidence, reviewable AI Remediation and a clear next step for your team.
- StartOnboarding
We agree the scope and activate a scope guard to keep every action inside the signed permission. Read-only access to the repo or image, with no production credentials.
01 - AnalysisAnalysis + evidence
Nexus maps the surface and tests attack paths. Each finding is replayed and independently verified; Remediator then prepares a reviewable proposal. Zero changes to production.
02 - DeliveryReport + AI Remediation
Prioritised report with reproducible evidence and replay, a Plexicus Remediator correction proposal, and a documented handover for your team to review and integrate.
03
At the end you have this.
- Report in PDF + JSON with verified findings: severity, evidence, reproducible replay and cross-verification.
- AI Remediation with Plexicus Remediator: change proposals reviewed in sandbox for each verified finding.
- Attack map: the chain of steps, impact and paths tested, including rejected paths.
- CI rule recommendations — so the next commit doesn't reintroduce the same things.
- Documented handover so your team can review and integrate the remediation.
What if you find nothing? We do not pad the report with theoretical alerts. If a finding cannot be reproduced, it is not delivered as verified; if findings appear, you receive priority and context to decide.
Already know what you want to analyse? Check the fit before you reserve budget.
Request AI-Pentest€4,999.One-time payment. Invoice. No subscription.
What's in and what's out. No surprises.
Everything from the previous section. Scope agreed before work starts, in one analysis cycle. One round of post-report questions by email. Invoice issued in EUR (VAT not included).
Classic human pentest (if you need it, we refer you — not on this page). Annual retainer (exists as a separate product; not mentioned here). Modifications to production (always your team).
Before we start, we confirm the scope, access and delivery format in writing. No surprises halfway through.
Doubts that kill the decision.
How long does it really take?
The timeline is agreed before work starts, based on scope and access.
What if you find nothing?
We do not pad the report with theoretical alerts. If a finding cannot be reproduced, it is not delivered as verified; if findings appear, you receive priority and context to decide.
How is this different from a scanner or chatbot?
A scanner compares signatures and a chatbot suggests answers. Nexus explores paths, tests hypotheses and connects evidence to prioritise what deserves attention.
How do you control the scope?
The scope guard checks before each action that the target is inside the signed permission. We work with read-only access and no production credentials.
How do you verify a finding?
Every finding includes a reproducible replay and must be repeated by an independent agent. If the result does not match, it is marked unverified or discarded.
What does Plexicus Remediator do?
It turns a verified finding into a correction proposal your team can review in sandbox. Your team decides whether to integrate it; we do not modify production.
Do you modify my production?
Never. Only sandbox-reviewed proposals, delivered as PRs or separate patch files. Your team decides whether to merge.
Why one-time and not a subscription?
It is a closed project with no annual subscription. If you need more work later, you can decide how to continue.
Do you work with companies outside Spain?
Yes, as long as the environment is remotely accessible and the invoice is issued in EUR. We are GDPR-compliant and keep data residency in the EU.
We do not only detect. We also help you fix.
Once Nexus verifies a finding, Plexicus Remediator retains its context and prepares a reviewable change in a sandbox. Your team keeps the final decision and merge control.
Request AI-PentestNo automatic production changes.
Check whether AI Pentest fits your environment.
Share the minimum context. We will review the scope and tell you the next commercial step.
No commitment. If you don't fit, we'll tell you.