Penetration Testing for Retail & E-commerce
Retail and e-commerce organisations process vast amounts of payment card data and customer personal information, making them high-value targets for cybercriminals. Online retailers, brick-and-mortar chains, payment processors, and marketplace platforms face threats including payment card theft, account takeover, inventory manipulation, and supply chain attacks.
PCI DSS compliance is a fundamental requirement for any organisation handling payment card data, mandating annual penetration testing of the cardholder data environment. E-commerce platforms require thorough testing of web applications, payment integrations, APIs, and mobile shopping apps. Physical retailers must also consider point-of-sale (POS) system security, in-store Wi-Fi networks, and the security of interconnected supply chain systems.
The rapid growth of omnichannel retail has expanded the attack surface significantly, with customer data flowing between online stores, mobile apps, physical stores, and third-party partners. Regular penetration testing helps retail organisations protect customer data, maintain PCI DSS compliance, and prevent costly data breaches that damage brand reputation and customer trust.
Aardwolf Security
Boutique UK penetration testing consultancy in Milton Keynes specialising in manual, expert-led security assessments across web applications, APIs, cloud, and mobile platforms.
Bishop Fox
Premier US-based offensive security firm known for elite penetration testers, cutting-edge research, and the Cosmos continuous attack surface management platform.
BreachLock
Cloud-based Penetration Testing as a Service platform combining AI-driven automation with expert manual testing at accessible price points.
Bugcrowd
Leading crowdsourced security platform offering managed bug bounty programs and crowd-powered penetration testing with hundreds of thousands of ethical hackers.
Bulletproof
CREST-accredited UK cybersecurity and compliance provider offering penetration testing, managed security services, and regulatory consultancy to over 2,000 customers from its Stevenage headquarters.
Claranet
CREST and CHECK-accredited European managed services provider delivering penetration testing with deep infrastructure and cloud hosting expertise.
Coalfire
Compliance-focused cybersecurity advisory firm and FedRAMP 3PAO specializing in penetration testing that meets stringent regulatory requirements.
Cobalt
Pioneer of Pentest as a Service, delivering fast, platform-based penetration testing with a vetted global community of security researchers.
Cyberis
CREST and CHECK-accredited UK penetration testing consultancy with CBEST approval, specialising in infrastructure, application, and simulated attack assessments across the public and private sectors.
Cyphere
CREST-accredited Manchester-based cyber security firm delivering penetration testing, managed security services, and compliance consultancy across the UK, Europe, and the USA.
Dionach
Global enterprise cybersecurity consultancy founded in 1999 in Oxford, holding rare CREST STAR-FS accreditation and delivering penetration testing, red and purple teaming, and PCI QSA services across five international offices.
HackerOne
World's largest ethical hacker platform with over one million researchers, offering bug bounties and structured penetration testing to the US DoD and Fortune 500.
Integrity360
CREST-accredited pan-European cybersecurity services provider delivering penetration testing and managed security from Dublin with a strong UK and Ireland presence.
IT Governance
Established Ely-based compliance and cybersecurity consultancy offering CREST-approved penetration testing as part of a comprehensive governance, risk management, and compliance portfolio.
JUMPSEC
Full-service London-based cybersecurity consultancy with CREST, CHECK, and NCSC accreditations delivering offensive testing, managed detection, and strategic advisory services.
MDSec
Elite UK offensive security consultancy specialising in CBEST/STAR/TIBER red teaming, advanced adversary simulation, and CREST-accredited penetration testing for FTSE 100 clients.
NetSPI
Leading penetration testing firm with the Resolve platform for continuous attack surface management, trusted by nine of the top ten US banks.
OnSecurity
CREST-accredited, platform-driven penetration testing vendor in Bristol offering AI-augmented testing with rapid self-service booking for over 400 global customers.
Pen Test Partners
The UK's largest independent security testing firm, renowned for IoT/OT research, CBEST red teaming, and CHECK/CREST-accredited penetration testing across all sectors.
Pentest People
CREST and CHECK-accredited UK penetration testing firm with an innovative SecurePortal platform and transparent pricing for mid-market organizations.
Rapid7
Creators of Metasploit offering enterprise penetration testing integrated with their comprehensive vulnerability management and security operations platform.
Redscan (A Kroll Business)
London-based cybersecurity provider, now part of Kroll, delivering CREST-accredited penetration testing, managed detection and response, and incident response with a 550-strong cyber team.
RedSecLabs
CREST-certified and PCI QSA penetration testing consultancy in London, delivering offensive security and compliance services across 25+ countries with research-driven expertise.
Sencode
CREST-accredited North East England penetration testing specialist founded in 2019, offering accessible and transparent security testing with free retests and a strong focus on social engineering.
Stripe OLT
Award-winning CREST-certified managed cyber security and IT support provider with offices in Bristol, London, and Manchester, specialising in penetration testing and Microsoft security technologies.
ThreatSpike Red
London-based cybersecurity firm offering unlimited, fixed-price penetration testing and red teaming services with ISO 27001 certification and a unique subscription model.
Trustwave
Global managed security provider with the elite SpiderLabs penetration testing team and deep PCI DSS compliance expertise.
WithSecure
Leading European cybersecurity firm offering penetration testing with deep expertise in EU regulatory compliance including GDPR, NIS 2, and TIBER-EU.
Retail & E-commerce Pen Testing FAQs
Is PCI DSS pen testing enough for retail security?+
PCI DSS pen testing covers the cardholder data environment but may not address all security risks. Retailers should also test customer-facing applications, employee systems, and supply chain integrations.
How should e-commerce platforms be tested?+
E-commerce testing should cover the web application, payment flows, API integrations, user authentication, inventory management, and admin interfaces. Both customer and administrator perspectives should be tested.
What retail-specific vulnerabilities do pen testers find?+
Common findings include payment form manipulation, price/inventory tampering, coupon/discount abuse, account takeover, PII exposure, and insecure third-party integrations.