Fortinet FortiGate Penetration Testing
FortiOS has carried a series of critical, actively exploited vulnerabilities, several reachable before authentication. Version currency is not housekeeping on a FortiGate, it is the control, and we establish it by testing rather than by asking. CREST-certified testers, fixed price from £2,370, scoped in 24 hours.
- Unlimited retesting
- No rescheduling or cancellation fees
- Fixed quote within 24 hours
“I would highly recommend EJN Labs to any organisation seeking reliable, detailed, and well-managed penetration testing services, particularly for government or enterprise-level projects.”
Imran SaghirProject Lead, SquareOne“There wasn’t another company we could find that could deliver what we needed in the timeframe we needed. The client loved it, and we got instant ROI from the engagement.”
Dan WilcocksonCo-Founder, CelloriFortinet appliances sit at the perimeter of a great many UK networks, and a run of pre-authentication vulnerabilities in FortiOS and the SSL VPN have been exploited at scale, including for initial access in ransomware intrusions.
Why FortiGate patching is the finding
That makes the first question blunt: what version is actually running, and is any published issue reachable in your configuration. We establish the version from behaviour rather than from a spreadsheet, because the two disagree more often than anyone likes.
After that it is the ordinary work: the policy base, whether the SSL VPN enforces multi-factor on every path, whether administrative access is reachable from user networks, and what a compromised appliance would yield. Fortinet is one of several vendors we publish pages for and we pen test others besides.
ISO 27001, SOC 2, PCI DSS and Cyber Essentials Plus audits accept manual penetration test evidence. Scan-only evidence is generally insufficient.
FORTIOS, SSL VPN + POLICY
What we actually pen test on a FortiGate
Manual pen testing across FortiOS version and known exploited vulnerabilities, SSL VPN exposure, policy review, administrative access and management integration.
FortiOS version and known vulnerabilities
Running version and build established from behaviour, matched against known exploited vulnerabilities including pre-authentication issues, with manual verification of anything reachable in your configuration.
SSL VPN and remote access
Portal exposure, whether multi-factor is enforced on every authentication path, credential and account enumeration, session handling, and what a connected user reaches internally.
Policy and rule base
Firewall policy review for overly broad permits, shadowed rules, segmentation between zones, and whether the effective policy matches what the configuration claims.
Administrative access
Whether management interfaces are reachable from user networks or the internet, administrator authentication and multi-factor, default and shared accounts, trusted host configuration and API access.
FortiManager and fabric integration
Where FortiManager, FortiAnalyzer or Security Fabric are used, their exposure and trust relationships, and whether compromise of one reaches the others.
Logging and detection
What is logged and retained, whether denied traffic and administrative changes are recorded, and whether an unauthorised configuration change would be noticed.
METHODOLOGY
Fortinet Penetration Testing: From Scope to Attestation
CREST-aligned methodology built on OWASP Web Security Testing Guide, OWASP ASVS, NIST SP 800-115, and PTES. Each finding maps to all four standards plus your specific compliance regime.
Reconnaissance
Application mapping, technology fingerprinting, content discovery, parameter enumeration, authentication-flow analysis, role-matrix construction.
Vulnerability Assessment
Authenticated and unauthenticated automated scanning across every user role, plus targeted manual checks for known weakness patterns.
Manual Exploitation
Hands-on testing by a CREST-certified pentester. Business-logic exploitation, chained vulnerabilities, privilege escalation, impact validation.
Reporting + Retest
Executive summary, technical report with CVSS scores and reproduction steps, walkthrough call, free retest after remediation, attestation letter.
CREDENTIALS
Verified Accreditations Auditors Accept
Every credential below is independently verifiable. UK procurement teams, FCA supervisors, ISO 27001 / SOC 2 auditors, and cyber insurance underwriters all recognise these standards.
GET YOUR QUOTE
Get a CREST Fortinet pen test quote in 24 hours
A fixed-price quote back in one business day, from a named CREST assessor. No sales pipeline, no chasing.
- CREST and IASME accredited. Testing your auditors and clients already recognise.
- Fast-track testing within 24 hours where required. Free retest of every fix included.
- Live findings via your client portal, not a four-week PDF.
- Fixed price from £3,500 for a single-role, single-app scope, agreed up front. Most engagements run £5,000 and up. No day-rate surprises.
Dan WilcocksonCo-Founder, CelloriUnder NDA Further named references available on a scoping call.
- We reply within one business day with a fixed-price quote from a named CREST assessor.
- You approve the scope and we book a start date, usually within 24 hours.
- Live findings land in your client portal as we test, with a free retest of every fix.
Get your fixed pen test quote in 24 hours
Quote request received
We will reply within one business day with your fixed-price quote from a named CREST assessor.
Your data stays with us. No newsletter signup.
or book a 20-min scoping call first
We reply within one business day. Your data stays with us. No newsletter signup.
COMPLIANCE READY
Reports Mapped to Every Framework
Findings are explicitly tagged to the relevant control reference. Your audit team submits the report directly without translation work.
ISO 27001:2022
Annex A.8.8 management of technical vulnerabilities plus A.5.15-5.18 and A.8.2-8.5 access control validation.
SOC 2 Type I & II
CC6 logical access, CC7 system operations, CC8 change management evidence.
PCI DSS
Requirement 11.4 application penetration testing across cardholder data environments, including ecommerce penetration testing for online retail platforms.
FCA SYSC
SYSC 4.1.1R, 6.1.1R, 13 mapped to each finding for FCA-regulated firms.
UK GDPR
Article 32 effectiveness testing, customer-data security controls, ICO-acceptable evidence.
Cyber Essentials Plus
Direct certification through our IASME body status, single-vendor delivery.
PRICING
Transparent Fortinet Penetration Testing Pricing
Pricing depends on app complexity, user-role count, business-logic depth, and integration surface. The day count flexes; the included deliverables stay the same across all engagements.
2 to 3 testing days
Single user role, basic CRUD application, marketing website with auth. Around 5 working days from kickoff to report.
Get a fixed quote3 to 4 testing days
Multi-role SaaS, business application with payment integration. Around 8 to 12 working days from kickoff to report.
Get a fixed quote4 to 6 testing days
Multi-tenant platform, complex authorisation matrix, integration-heavy applications. Around 15 to 20 working days from kickoff to report.
Get a fixed quotePart of Technologies We Pen Test. These are examples of the stacks we publish pages for, not a complete list. If yours is not here we still test it. Related pages:
BY SECTOR
Fortinet Penetration Testing for Your Sector
Sector-specialist scoping for UK businesses with sector-specific compliance regimes and threat models.
Fintech & FCA-Regulated
FCA SYSC, Open Banking FAPI 1.0, PSD2 SCA, payment-flow scrutiny, KYC/AML testing.
Fintech sector pageSaaS Companies
SOC 2 Type I & II evidence, multi-tenant boundaries, role escalation, customer-tenant isolation.
SaaS sector pageLaw Firms
SRA Cyber Standard, privileged data, conveyancing fraud defence, partner-tier procurement.
Law firm sector pageHealthcare
NHS DTAC, DSP Toolkit v6, UK GDPR Article 32, EHR systems, telehealth platforms.
Healthcare sector pageInsurance
FCA / PRA Operational Resilience, cyber underwriting, claims data, broker portals.
Insurance sector pagePublic Sector
CCS / G-Cloud framework, NCSC-aligned, citizen-facing services, PSN-compliance scrutiny.
Public sector pageWHY EJN LABS
What You Get From Fortinet Penetration Testing
Six concrete differentiators competitors don’t all match.
CREST-Certified Testers, Verifiable
Every test by a CREST-certified pen tester (CRT, CCT APP, CCT INF where applicable). Verify our company status at crest-approved.org.
24-Hour Startup, Where Required
From signed scope to active testing in a single business day for incident response, audit deadlines, or regulator-driven timelines.
Live Findings, Not 4-Week PDFs
Critical issues reported during testing through your client portal. Your team remediates while testing continues.
Audit-Ready Reports
Executive summary plus full technical report with CVSS scores and explicit framework mappings (ISO 27001, SOC 2, PCI DSS, FCA SYSC).
Free Retests, Standard
Verify remediation of every finding before close-out. Letter of attestation for audit submission included. Most competitors charge £1,500-£3,000 per retest.
UK-Based CREST Testers
Every engagement performed by vetted, UK-based CREST-certified testers, matched to your needs, security clearance, and compliance scope.
FAQ
Frequently Asked
Will testing take our firewall offline?
No. We do not run denial testing against production perimeter devices, and version and vulnerability verification is done safely. Anything with any risk of disruption is agreed and scheduled with you first.
Do you need the configuration?
It makes the policy review far more thorough. Version and exposure testing works without it, but reasoning about shadowed rules and segmentation needs the export, and we handle it under NDA.
We are behind on firmware because of change windows. Is testing still worth it?
Very much. Knowing precisely which reachable issues your current version carries lets you argue for the change window with evidence rather than with a vendor advisory, and we prioritise accordingly.
Do you cover other vendors?
Palo Alto and Cisco have their own pages, and SonicWall, WatchGuard and others we pen test on the same basis. These are examples rather than a complete list.
Does this satisfy Cyber Essentials?
Perimeter firewalls are directly in scope for Cyber Essentials and findings are mapped to it, along with ISO 27001 and PCI DSS Requirement 1 where relevant.
20+ CREST-accredited testing services in one place
Web, mobile, API, cloud, AI, infrastructure, red team. Pick the test that fits your environment.
Get a fixed price for your FortiGate review
Tell us how many appliances, whether SSL VPN is in use and whether you can share a configuration export. Fixed-price quote within one business day.
