The 4 best Application Security courses in 2026
We compared 4 Application Security courses across 3 providers and ranked the top 4 by learner ratings and enrollment. 1 of them are completely free. Updated automatically as ratings and catalogs change.
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01
PortSwigger Academy4.9 (10K)~100h
All levels
Free
Free, definitive web application security training with interactive labs from the makers of Burp Suite.
02
TryHackMe4.7 (8K)~60h
Intermediate
Subscription
Hands-on browser-based labs covering web app security, network pentesting, and privilege escalation.
03
Udemy4.5 (5K)~5h
Intermediate
$119.99
Implement secure authentication and authorization flows with OAuth 2.0 and OIDC.
04
Udemy4.4 (2K)~6h
Intermediate
$109.99
Hashes, symmetric and asymmetric encryption, signatures, and TLS in practice.
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Quick comparison
| # | Course | Provider | Rating | Duration | Price |
|---|---|---|---|---|---|
| 01 | PortSwigger Web Security Academy | PortSwigger Academy | 4.9 | 100h | Free |
| 02 | TryHackMe: Jr Penetration Tester Path | TryHackMe | 4.7 | 60h | Subscription |
| 03 | OAuth 2.0 and OpenID Connect: The Professional Guide | Udemy | 4.5 | 5h | $119.99 |
| 04 | Practical Cryptography for Developers | Udemy | 4.4 | 6h | $109.99 |