Arcanum's Web Application Penetration Testing service stands as one of our premier offerings, delivering world-class security assessments designed to identify and mitigate vulnerabilities before they can be exploited. We safeguard every layer of your modern web estate, from classic LAMP stacks to today's cloud-native, JavaScript-heavy applications.
Our testers run advanced red team engagements, penetration tests, and top-tier bug bounty programs for Fortune 500 companies. We bring that adversary mindset to every layer of your web stack, from classic server-side flaws to modern client-side attack surface.
Led by Jason Haddix, our service combines rigorous structured assessments with real-world bug bounty hunting. Jason has personally tested web application technologies for the vast majority of Fortune 500 companies.
Jason's methodology is highly regarded and sought-after across the cybersecurity industry. Engineers from premier, world-class consultancies globally attend Arcanum's specialized training courses (like the renowned "Bug Hunter's Methodology") to learn the very techniques we apply to your applications.
Our testers cut their teeth on live-fire, high-stakes bug bounty programs where only the fastest, most creative, and persistent researchers succeed. We think like real-world adversaries, not just checklist auditors, finding critical breaches others miss.
Web application security has transformed significantly. While critical server-side vulnerabilities (like SQLi, SSTI, CMDI, IDOR, etc) still pose immediate threats, they are often obscured, hidden behind blind spots, or require complex exploit chains. Furthermore, today's environment frequently presents sophisticated challenges:
A cornerstone taught in our methodology course, employing techniques often overlooked:
Rigorous testing of modern client logic:
Unlike many consultancies, we extensively utilize:
Identifying classic injection classes and misconfigurations in containers, serverless runtimes, edge gateways, and API integrations.
Need expertise in niche tech like WebAssembly, Shopify Liquid, GraphQL federation, ServiceNow, Salesforce Apex, or IoT Hybrid testing? We leverage our unique, vetted network to bring in specialized expertise unavailable through traditional consultancies.
Choose Arcanum for web application penetration testing that leverages a uniquely effective, battle-tested methodology and insights gained from the highest levels of cybersecurity research and real-world bug hunting. We provide proven ROI through faster remediation cycles and measurable risk reduction, ensuring compliance (GDPR, PCI DSS, SOC2) while hardening you against zero-day threats.
Every engagement ends with more than a PDF: you get the evidence, the context, and the support to actually fix what we find.
Every finding documented with clear reproduction steps, real-world impact, and the evidence to back it.
Risk translated into business terms your leadership and board can act on.
Practical, ranked fixes tied to the real attack paths we walked, not a raw scanner dump.
A working session where we walk your team through the results and answer every question.
Once you've remediated, we re-test the findings to confirm the fixes actually hold.
You learn how we found what we found, so your team gets stronger with every engagement.
Let's secure your application surface before someone else does. Contact us today to schedule an assessment and fortify your digital assets.
Our three external-facing services overlap but aren't interchangeable. Here's exactly what each covers, so you can scope the one you actually need.
| External Network Pentest | Cyber Red Teaming | Web Application PentestYou are here | |
|---|---|---|---|
| Reconnaissance | ● | ● | — |
| CVE & misconfiguration analysisinfra · cloud · web | ● | ● | ● |
| Phishing & social engineering | — | ● | — |
| Dependency confusion & hijacking | — | ● | — |
| Leaked-credential analysisdark-web / breach data | Exposure onlynot validated | Stuffed & validated | — |
| Web-application testing | Unauthenticated | Unauthenticatedcreds only to reach a goal * | Full credentialedfull stack |
* On a red team, web applications are only credential-tested when dark-web-sourced credentials are used to reach an agreed objective.