Certified Application Security Tester (CAST)

Certified Application Security Tester (CAST) Certification Program by Tonex

Certified Application Security Tester CAST Certification Program by Tonex equips practitioners with practical methods to uncover vulnerabilities across modern web, mobile, and API driven applications. The program blends structured testing methodologies with real world case studies so participants learn how to design repeatable test plans, select the right mix of manual and automated approaches, and interpret results with confidence. Strong emphasis is placed on cybersecurity outcomes, helping organizations reduce exposure, protect sensitive data, and meet regulatory expectations.

By working through SAST, DAST, and IAST concepts, participants understand how different tools view the same application and how to combine insights into a unified risk picture. The course also strengthens the link between testing and development teams, enabling more secure coding practices and faster remediation cycles. Graduates return to their roles ready to lead focused application security testing efforts and to communicate cybersecurity risk clearly to both technical and business stakeholders. This focus ensures measurable improvements in application resilience and cybersecurity posture overall.

Learning Objectives

• Apply structured application security testing methodologies to plan and execute coverage focused test campaigns across diverse architectures
• Use SAST tools to analyze source code, identify common vulnerability patterns, and prioritize issues for development teams
• Execute DAST and IAST activities against running applications to reveal runtime flaws that static analysis may miss
• Design effective strategies for API security testing, including authentication, authorization, input validation, and error handling checks
• Differentiate when to rely on manual techniques versus automated tooling to balance depth, speed, and repeatability of testing
• Explain the cybersecurity impact of effective application security testing on organizational risk and resilience, and communicate findings to both technical and non technical stakeholders

Audience

• Security testers and engineers
• QA engineers and test leads
• Penetration testers and red team members
• Application security engineers and analysts
• Software developers and technical leads with security responsibilities
• Cybersecurity Professionals
• DevSecOps and platform engineering staff

Prerequisites

• Basic application security or software testing background or equivalent experience in QA, development, or security roles

Program Modules

Module 1: Foundations of application security testing

• Role of application security testing in secure development life cycle
• Overview of common web and mobile vulnerabilities and attack paths
• Mapping business requirements and threat models to test objectives
• Understanding SAST DAST IAST and API testing approaches
• Building risk based test strategies and prioritization schemes
• Integrating application security testing into agile and DevOps workflows

Module 2: Static analysis for secure code reviews

• Principles of static code analysis and secure coding guidelines
• Selecting and configuring SAST tools for different tech stacks
• Creating scalable rulesets and baselines for large codebases
• Interpreting static findings and tracing data flow and control flow
• Collaborating with developers to triage and remediate code issues
• Managing SAST performance, scalability, and governance practices

Module 3: Dynamic testing of running applications

• Fundamentals of dynamic testing for web and mobile applications
• Configuring DAST tools, proxies, and test environments safely
• Fuzzing inputs, sessions, and workflows to uncover vulnerabilities
• Detecting injection, authentication, and session management weaknesses
• Correlating dynamic findings with business impact and risk ratings
• Addressing stability, coverage, and false negatives in DAST campaigns

Module 4: Interactive testing and runtime instrumentation

• How IAST combines static and dynamic perspectives during testing
• Instrumenting applications to observe security relevant behavior
• Capturing real time data flow, taint tracking, and runtime context
• Comparing IAST results with SAST and DAST outputs for consistency
• Integrating IAST into CI CD pipelines and test suites
• Handling performance considerations and deployment constraints for IAST

Module 5: API security assessment and hardening

• Understanding API architectures, protocols, and typical threat scenarios
• Discovering documented and undocumented endpoints for testing coverage
• Testing authentication, authorization, and token handling mechanisms
• Assessing input validation, schema enforcement, and error handling
• Evaluating rate limiting, throttling, and abuse protection controls
• Reporting API vulnerabilities with actionable hardening recommendations

Module 6: Designing effective automated testing pipelines

• Principles of automation for repeatable application security testing
• Selecting tools and orchestrators for CI CD integration
• Designing security test stages for build, pre production, and production
• Managing credentials, secrets, and environment configuration securely
• Establishing metrics for pipeline effectiveness and defect removal
• Aligning automated testing outcomes with governance and compliance objectives

Module 7: Managing findings and false positives

• Defining severity, likelihood, and business impact scoring models
• Techniques to identify, tag, and suppress false positives safely
• Normalizing findings from multiple tools into unified dashboards
• Prioritizing remediation work across teams and product lines
• Establishing service level expectations for fixing critical issues
• Feeding lessons learned back into tools, rules, and processes

Module 8: Communicating risk remediation to stakeholders

• Structuring clear and concise vulnerability reports for varied audiences
• Translating technical issues into business and regulatory impact
• Presenting findings to engineering, product, and leadership stakeholders
• Collaborating on remediation plans, timelines, and ownership models
• Documenting residual risks and accepted exceptions transparently
• Building continuous communication channels between testing and development

Module 9: CAST exam preparation and practice

• Mapping exam blueprint to program modules and topics
• Reviewing key concepts, definitions, and testing workflows
• Practicing sample questions and scenario based exercises
• Analyzing example vulnerability reports and improvement suggestions
• Planning personal study strategies and time management approaches
• Preparing for the vulnerability analysis exercise and final assessment

Exam Domains

1. Strategic Application Security Testing Frameworks
2. Source Level Security Defect Analysis
3. Runtime Vulnerability Discovery and Exploitation Insight
4. Secure Design and Assessment of APIs
5. Automation Tool Governance and Test Optimization
6. Risk Communication Metrics and Remediation Management

Course Delivery
The course is delivered through a combination of expert led lectures, interactive group discussions, guided tool demonstrations, and project based learning focused on real application scenarios. Participants explore SAST, DAST, IAST, and API testing techniques with structured exercises that mirror typical engagements for security testers and penetration testers. Learning is supported with curated online resources, including readings, case studies, and reusable templates that reinforce consistent practice. Throughout the program, instructors emphasize how strong application security testing directly supports broader cybersecurity objectives and organizational resilience.

Assessment and Certification
Participants are evaluated through a formal proctored exam and a practical vulnerability analysis exercise that assesses their ability to interpret findings and recommend effective remediation. Additional short quizzes and knowledge checks may be used during the course to reinforce retention and readiness. Upon successful completion of the assessment requirements, participants will earn the Certified Application Security Tester CAST certificate from Tonex, demonstrating validated competence in application security testing within modern cybersecurity programs.

Question Types

• Multiple Choice Questions (MCQs)
• Scenario based Questions

Passing Criteria
To pass the Certified Application Security Tester CAST Certification Training exam, candidates must achieve a score of 70 percent or higher on the combined written exam and vulnerability analysis exercise.

Strengthen your role at the intersection of quality assurance, testing, and cybersecurity by earning the Certified Application Security Tester CAST credential with Tonex. Enroll now to deepen your expertise in SAST, DAST, IAST, and API security testing and turn your findings into clear, actionable guidance that measurably improves the security of your organization’s applications.