After this lesson, you will be able to: Know the certifications, communities, and practice platforms that take you from this intro to a working AppSec engineer.
AppSec roles are everywhere and well-paid. The path is hands-on practice + 1–2 well-chosen certs + a portfolio. This lesson points at the most-leveraged resources.
PortSwigger Web Security Academy, the gold standard, free, taught by the makers of BurpSuite. PicoCTF, beginner-friendly, gamified. TryHackMe AppSec path, guided learning rooms. HackTheBox web challenges, harder, less guidance.
CompTIA PenTest+, baseline cert that covers AppSec testing alongside infra. Common HR filter on early-career postings. GIAC GWEB (Web Application Penetration Tester), focused, well-respected, expensive (SANS). Burp Suite Certified Practitioner (BSCP), $99, directly applicable to interview-quality challenges. Offensive Security Web Expert (OSWE), advanced, code-review focused, expensive but the gold standard for AppSec engineer roles. Skip generic 'web hacking' certs from less-known providers, they don't carry weight in hiring. Recommended order for someone going from zero to AppSec engineer: Sec+ → BSCP → PenTest+ → GWEB or OSWE depending on depth.
PortSwigger blog and 'Top 10 web hacking techniques' annual roundup. InfoSec Twitter/Mastodon (curate carefully). Local OWASP chapter, many cities have free monthly meetups.
Pick the highest-impact option.
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