COMIDOC
CouponsFreeTopics
COMIDOC
CouponsVerified CouponsFreeFree CoursesTopicsTopics
React
AdvertiseSubmit Course

About

Udemy coupons monitored continuously.

Verified offers, course alerts, precise filters, and browser detection built for learners who want coupons that still work.

TelegramTwitterFacebookRSS

Browser tools

Find coupons directly on Udemy.

The extension surfaces an available Comidoc coupon while you browse a Udemy course page.

ChromeFirefoxEdge

Useful links

Discover

  • Blog
  • Daily Freebies
  • Most Wanted Coupons
  • Top Contributors
  • Udemy Sale Calendar

Services

  • Pricing
  • Advertise Here
  • Developer API
  • Submit Coupon

Comidoc

  • About
  • Contact
  • Data License
  • Privacy
  • Terms

© 2017–2026 Comidoc

v6.6.30

Independent coupon discovery for Udemy learners

Course topic

  1. Topics
  2. IT & Software
  3. Injection & Flaw Defense

Injection & Flaw Defense

Also indexed asInjection Attacks · Deserialization · Input Validation

Deep dive into preventing critical flaws like SQL Injection, XXE, SSTI, and deserialization issues.

Courses indexed
12
Live offers
0
Free & coupon courses onlyChange view
OWASP Top 10:2025 – Practical Web Security Attacks
Instructor Cyber Twinkle
Cyber Twinkle
1 course
English
OWASP Top 10:2025 – Practical Web Security Attacks

OWASP Top 10:2025 – Practical Web Security Attacks

(4.57 with 7 reviews)
332
students
1.2 hours
content
May 2026
updated
$14.99
Mastering SQL Injection - The Ultimate Hands-On Course
Instructor Experts with David Bombal
Experts with David Bombal
1 course
English
Mastering SQL Injection - The Ultimate Hands-On Course

Mastering SQL Injection - The Ultimate Hands-On Course

(4.66 with 687 reviews)
16.9K
students
9.7 hours
content
Aug 2023
updated
$17.99
Build local LLM applications using Python and Ollama
Instructor Start-Tech Academy
Start-Tech Academy
1 course
English
Build local LLM applications using Python and Ollama

Build local LLM applications using Python and Ollama

(4.54 with 945 reviews)
13.9K
students
2.0 hours
content
Apr 2026
updated
$14.99
Certificate of Cloud Security Knowledge CCSK v.5 Tests 2026
Instructor Kayla Morgan
Kayla Morgan
1 course
English
Certificate of Cloud Security Knowledge CCSK v.5 Tests 2026

Certificate of Cloud Security Knowledge CCSK v.5 Tests 2026

292
students
N/A
content
Apr 2026
updated
$14.99
Corso teorico di base sulla crittografia
Instructor Dott. Patrizio Riccardi
Dott. Patrizio Riccardi
1 course
Italian
Corso teorico di base sulla crittografia

Corso teorico di base sulla crittografia

(3.85 with 26 reviews)
119
students
32 minutes
content
Jan 2021
updated
$14.99
Seguridad de Apps Web y OWASP Top 10 para Principiantes
Instructor Soerin Bipat
Soerin Bipat
1 course
Spanish
Seguridad de Apps Web y OWASP Top 10 para Principiantes

Seguridad de Apps Web y OWASP Top 10 para Principiantes

(4.36 with 7 reviews)
1.0K
students
1.0 hours
content
Apr 2026
updated
$14.99
Cryptography and System Security
Instructor Tanmayi Nagale
Tanmayi Nagale
1 course
English
Cryptography and System Security

Cryptography and System Security

(4.48 with 49 reviews)
6.0K
students
6.4 hours
content
Jun 2025
updated
$17.99
SQL Injection For Beginners
Instructor Bluelime Learning Solutions
Bluelime Learning Solutions
1 course
English
SQL Injection For Beginners

SQL Injection For Beginners

(4.56 with 17 reviews)
1.9K
students
1.1 hours
content
Mar 2026
updated
$14.99
SQL Injections Unlocked - SQLi Web Attacks
Instructor Avinash Yadav
Avinash Yadav
1 course
English
SQL Injections Unlocked - SQLi Web Attacks

SQL Injections Unlocked - SQLi Web Attacks

(4.41 with 399 reviews)
51.7K
students
5.0 hours
content
May 2026
updated
$14.99
Web Security: Common Vulnerabilities And Their Mitigation
Instructor Loony Corn
Loony Corn
1 course
English
Web Security: Common Vulnerabilities And Their Mitigation

Web Security: Common Vulnerabilities And Their Mitigation

(4.56 with 648 reviews)
6.3K
students
8.0 hours
content
Oct 2021
updated
$14.99
Mastering Server-Side Request Forgery (SSRF) Vulnerabilities
Instructor Experts with David Bombal
Experts with David Bombal
1 course
English
Mastering Server-Side Request Forgery (SSRF) Vulnerabilities

Mastering Server-Side Request Forgery (SSRF) Vulnerabilities

(4.61 with 114 reviews)
3.8K
students
3.2 hours
content
Jan 2024
updated
$14.99
PHP REST API cybersecurity
Instructor Sergii Demianchuk
Sergii Demianchuk
1 course
English
PHP REST API cybersecurity

PHP REST API cybersecurity

(4.93 with 36 reviews)
4.7K
students
5.6 hours
content
Jun 2025
updated
$17.99

Continue exploring

Topics related to Injection & Flaw Defense

  • 01Web Application Security152
  • 02SQL Injection15
  • 03Fundamentals of Cryptography101
  • 04User Authentication & Security122
  • 05Web Application Security143