Certified Tester - Infrastructure

Who can take it

CREST logo

Certified Tester - Infrastructure Eligibility

CCT INF

Whether you can sit the Certified Tester - Infrastructure certification exam: prerequisites, who the exam is for, and the skills it assesses.

3 prerequisites
expert level
5 skills

Prerequisites and requirements

Published requirements for this certification.

  • Basic understanding of networking (CCNA-level or equivalent)
  • Familiarity with Linux and Windows command line
  • Experience with at least one scripting language (Python, Bash, PowerShell)

Who this exam is for

This certification is designed for IT professionals with 2-3 years of experience in IT security or related fields who want to transition into infrastructure penetration testing. Ideal candidates include system administrators, network engineers, security analysts, and recent cybersecurity graduates who have hands-on experience with network configuration, operating systems, and basic security testing. It is also suitable for professionals seeking CREST registration or those working for organizations that require CREST-accredited testers for compliance and assurance purposes. The exam assumes foundational knowledge of networking protocols, operating system administration, and common security vulnerabilities.

Skills assessed

What the exam actually tests, beyond the domain names.

Network scanning and enumeration
Vulnerability identification and exploitation
Penetration testing tool proficiency
Report writing and risk assessment
Legal and ethical compliance understanding

The domains you will be assessed on

Eligibility is not only about paperwork. These are the areas you have to actually know.

DomainWeightTopic count
Network Infrastructure and Protocols25%6
Operating System and Database Security20%6
Security Testing Methodologies and Tools20%6
Application Security and Web Technologies20%6
Legal, Regulatory, and Professional Standards15%6

How demanding this exam is

Cognitive load
High - The exam requires deep analytical thinking and practical problem-solving under time pressure, combining theoretical knowledge with hands-on exploitation scenarios.

Our focus for this certification: Certilum’s 12‑week study plan for Certified Tester – Infrastructure: weeks 1‑4 networking/OS fundamentals with interactive quizzes, weeks 5‑8 web application security and exploitation tools, weeks 9‑12 methodology, reporting, and mock exams. Structured domain summaries and tool cheat sheets reinforce weak areas under timed conditions.

More about the Certified Tester - Infrastructure exam

Explore the rest of this page series: format, cost, difficulty, requirements and how to prepare.

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Frequently asked questions

Everything you need to know about the Certified Tester - Infrastructure exam.