Java Security Essentials
The Java Security Essentials course by Open Source equips Java developers and application security engineers with practical skills to identify and mitigate common coding vulnerabilities such as injection attacks, insecure concurrency, and improper input validation. It directly addresses the critical industry challenge of software exploits due to insecure code, a factor in over 60% of data breaches according to recent studies. Participants gain hands-on techniques to strengthen Java applications using secure design principles and real-world mitigation strategies.
This course prepares learners for the CERT Secure Coding in Java Professional Certificate exam, which requires an 80% passing score on a 40-question assessment. Koenig Solutions provides official vendor-authorized courseware and 30-day lab access for extended practice. Graduates build confidence to develop resilient applications and advance into high-demand secure development roles.
Training Formats & Pricing
100% Happiness Guarantee · Free Rescheduling · Secure Payment
Course Overview
The Java Security Essentials course by Open Source is designed to equip developers, application security engineers, and software architects with foundational skills in securing Java-based applications. While not tied to a single proprietary certification, this training aligns closely with industry benchmarks such as the CERT Secure Coding Standard for Java and prepares learners for roles requiring secure coding compliance. Targeted at Java developers and security analysts, the course addresses critical vulnerabilities like injection attacks, cross-site scripting (XSS), and insecure deserialization. With over 80% of enterprise applications using Java, and organizations like Oracle and Cisco adopting secure coding standards, demand for developers skilled in Java security continues to grow across financial services, healthcare, and government sectors.
This course emphasizes hands-on learning through real-world tools and platforms including Spring Boot, OWASP Java Encoder, ESAPI, Content Security Policy (CSP), and Jakarta EE. Learners work in isolated lab environments using Docker containers and Maven to build, test, and secure vulnerable web applications modeled after the OWASP Top 10. Students configure secure authentication mechanisms, implement input validation and output encoding, and mitigate risks such as CSRF and SQL injection. A key project involves auditing and remediating a deliberately vulnerable Spring Boot application, tracing source-to-sink attack paths, and applying defense-in-depth strategies using logging, headers, and secure configuration practices—all within a local or containerized runtime environment.
Java Security Essentials prepares candidates for advanced credentials like the CERT Secure Coding in Java Professional Certificate and supports career progression into high-demand roles such as Application Security Engineer and DevSecOps Engineer. Professionals with these skills report salary ranges between $120,000 and $180,000 annually, reflecting strong market demand. Koenig Solutions enhances this training with its Guaranteed-to-Run scheduling and 1-on-1 instructor support, ensuring personalized guidance using official courseware. Graduates gain practical expertise that enables them to lead secure development initiatives, reduce vulnerabilities in production code, and advance into leadership roles in application security and software assurance.
What You'll Learn
Prerequisites
- Proficiency in Java 17 or higher is required to implement the secure coding practices taught in Java Security Essentials by Open Source.
- A working knowledge of HTML, JavaScript, and CSS is necessary to analyze the web security concepts covered in Java Security Essentials by Open Source.
- Familiarity with HTTP protocols, RESTful web services, and web application architectures is required to identify vulnerabilities during the labs in Java Security Essentials by Open Source.
- Practical experience with SQL and JDBC for database interaction is needed to apply the data security measures discussed in Java Security Essentials by Open Source.
- Competency in using build automation tools such as Maven or Gradle and an IDE like IntelliJ IDEA or Eclipse is required for the hands-on exercises in Java Security Essentials by Open Source.
- Understanding of secure coding principles and the OWASP Top 10 is expected to effectively utilize the security testing tools provided in Java Security Essentials by Open Source.
Certification Exam
Everything you need to know about the Java Security Essentials certification exam
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Career Outcomes
of Java Security Essentials certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the Java Security Essentials certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- Application Security Engineer
- Secure Software Developer
- DevSecOps Engineer
- Java Security Engineer
- Security Consultant
- Software Security Architect
Companies Hiring
and 5,000+ organizations worldwide seeking Java Security Essentials certified professionals
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
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★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Frequently Asked Questions
Everything you need to know about the Java Security Essentials training course
Is the Java Security Essentials certification exam included in the training, and what is the cost if separate?
What training formats does Koenig offer for Java Security Essentials, and is there a Guaranteed-to-Run option?
How long is lab access provided, and what environment is used for Java Security Essentials training?
What is Koenig's rescheduling and cancellation policy for Java Security Essentials training?
What is the format, number of questions, passing score, and time limit for the Java Security Essentials exam?
How long is the Java Security Essentials certification valid, and what is the renewal process and cost?
What post-training support does Koenig provide after completing the Java Security Essentials course?
Are there any prerequisites or prior experience required to enroll in the Java Security Essentials course?
What is the average salary impact or career benefit after obtaining the Java Security Essentials certification?
How does instructor-led training for Java Security Essentials compare to self-study options?
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