ISACA · CyberSec-Fund
Validates foundational cybersecurity knowledge across four domains: information security fundamentals, threat landscape, securing assets, and security operations and response, covering core security concepts, threat identification, data protection, and incident detection.
Practice Questions
596
≈ 3 practice exams
Duration
120 minutes
Passing Score
65%
Difficulty
FoundationalLast Updated
Aug 2026
The ISACA Cybersecurity Fundamentals Certificate does not expire. Once you pass the exam and earn it, it stays valid for life. There is no continuing professional education (CPE) requirement, no annual maintenance fee, and nothing to renew. That sets it apart from ISACA's professional certifications such as CISA, CISM, CRISC, and CGEIT, which must be renewed every three years and carry ongoing CPE obligations.
Because it is a foundational, knowledge-based credential, the goal is simply to pass the exam once. This practice set covers the four domains it tests: information security fundamentals, the threat landscape, securing assets, and security operations and response. Start with 30 free questions, then work through the full bank of 596 with detailed explanations and earn a certificate that never needs renewing.
The ISACA Cybersecurity Fundamentals Certificate validates foundational knowledge and practical skills across the core principles of cybersecurity. It covers the language, frameworks, and technologies that define the discipline, including information security fundamentals, data protection, threat identification, and security operations. The credential is designed to establish that a candidate understands both the theoretical underpinnings of cybersecurity and the practical role security professionals play in defending enterprise systems and data.
Unlike ISACA's more advanced practitioner certifications, this certificate is explicitly entry-level and carries no expiration date, making it a durable credential for those early in their cybersecurity journey. The exam blends traditional knowledge-based multiple-choice questions with performance-based questions set in a virtual lab environment, reflecting ISACA's emphasis on applied, real-world competency rather than purely memorized concepts.
This certificate is designed for students, recent graduates, and early-career IT professionals who want to establish a verified baseline in cybersecurity. It is also well-suited for IT professionals from adjacent disciplines—such as networking, systems administration, or software development—who are transitioning into security-focused roles and need to formalize their foundational knowledge.
Career changers from non-IT backgrounds entering the cybersecurity field will also find this credential valuable as a first step toward more advanced ISACA certifications such as the CSX-P (Cybersecurity Practitioner). Organizations looking to upskill staff or build internal cybersecurity awareness programs frequently use this certificate as a baseline benchmark for their teams.
There are no formal prerequisites for the Cybersecurity Fundamentals Certificate. ISACA allows candidates to register for and sit the exam at any time, with no required work experience, prior certifications, or formal education. This open-access policy reflects the foundational, entry-level nature of the credential.
While no prerequisites are mandated, candidates with some exposure to basic IT concepts—such as networking fundamentals, operating system basics, or general IT infrastructure—will find the material more approachable. Familiarity with concepts like access control, encryption basics, or network protocols is beneficial but not required to begin studying.
The exam consists of 60 scored questions delivered over 120 minutes, yielding roughly two minutes per question. It is administered online as a remotely proctored, closed-book exam, meaning candidates can take it from any suitable location without visiting a physical test center. The question format combines traditional knowledge-based multiple-choice questions with performance-based questions set in a virtual lab environment, testing practical application alongside conceptual understanding.
A passing score of 65% is required, meaning candidates must answer at least 39 of the 60 questions correctly. Exam eligibility is valid for 12 months from the date of registration. Candidates may reschedule their exam without penalty if they do so at least 48 hours before the scheduled appointment. The certificate itself does not expire once earned.
Earning the Cybersecurity Fundamentals Certificate signals to employers that a candidate has verified, baseline-level cybersecurity knowledge validated by ISACA—a globally recognized standards body also responsible for CISA, CISM, and CRISC. For entry-level roles such as Security Analyst, IT Security Technician, SOC Analyst (Tier 1), or Junior Penetration Tester, this credential helps candidates stand out in competitive applicant pools where many lack any formal cybersecurity validation. The digital badge issued through Credly allows holders to display their credential on LinkedIn and other professional platforms for immediate visibility to recruiters.
As a foundational certificate with no expiration date, it also serves as a stepping stone toward more advanced ISACA credentials. Candidates who go on to earn the CSX-P (Cybersecurity Practitioner) certification—ISACA's hands-on, performance-based practitioner credential—can expect significantly higher earning potential, with mid-career cybersecurity professionals commonly earning between $80,000 and $130,000 annually depending on role and region. The Cybersecurity Fundamentals Certificate positions candidates to begin that progression with a recognized, vendor-neutral credential accepted across industries.
5 sample questions with answers and explanations. The full bank has 596 questions, enough for 3 full-length practice exams.
Preview — answers shown1. A security architect designs access control for a military classified data system requiring strict information flow controls. The system must prevent users from reading documents above their clearance level and writing to lower classification levels. Which access control model should be implemented? (Select one!)
Explanation
Mandatory Access Control enforces system-wide security policies using classification labels that users cannot override. MAC implements the Bell-LaPadula model with no read up and no write down rules, preventing unauthorized information disclosure and integrity violations. This model is mandatory for military and government classified systems. Discretionary Access Control allows resource owners to set permissions, providing insufficient control for classified environments. Role-Based Access Control assigns permissions by job function but lacks the label-based information flow controls required. Attribute-Based Access Control provides dynamic policy evaluation but does not enforce mandatory classification-based constraints. MAC uniquely provides the non-discretionary, system-enforced security label controls required for classified data protection.
2. A cybersecurity team compares Extended Detection and Response versus Endpoint Detection and Response solutions for enterprise security monitoring. Management requires visibility across multiple security domains including endpoints, network traffic, cloud workloads, and email systems with unified correlation. Which solution meets these requirements? (Select one!)
Explanation
Extended Detection and Response provides cross-layer visibility spanning endpoints, network, cloud, email, and other domains with unified correlation and analysis. XDR integrates multiple security tools into a cohesive platform providing comprehensive threat detection. EDR focuses specifically on endpoints without network, cloud, or email integration. SIEM aggregates logs and provides correlation but requires separate tools for response and may not integrate endpoint behavioral data. SOAR focuses on workflow automation and orchestration rather than integrated detection across multiple domains. XDR represents evolution beyond single-domain EDR solutions.
3. An organization implements biometric authentication for physical access control. Security testing reveals that 3 percent of authorized employees are incorrectly rejected while 1 percent of unauthorized individuals are incorrectly accepted. Which biometric error rate represents the more serious security risk? (Select one!)
Explanation
False Accept Rate (FAR) is the more serious security risk because it allows unauthorized individuals to gain access, representing a Type II error that directly compromises security. While FRR causes usability issues and inconvenience for legitimate users (Type I error), it does not create security vulnerabilities. Organizations typically prioritize minimizing FAR over FRR to prevent unauthorized access. CER is the accuracy indicator where FAR equals FRR but does not represent the primary security risk.
4. An organization implements password security following NIST SP 800-63B guidance. The security team debates whether to require passwords to be changed every 90 days. What does current NIST guidance recommend? (Select one!)
Explanation
NIST SP 800-63B modern guidance recommends against forced periodic password rotation because it encourages users to make predictable minor changes or reuse passwords reducing overall security. Instead focus on detecting compromised credentials using breach databases and implementing multi-factor authentication. Historical requirements for periodic changes were based on assumptions that regular rotation limits exposure which research disproved. Users creating weaker passwords or writing them down when forced to change frequently creates greater risk. NIST emphasizes longer passwords checked against breach lists combined with MFA rather than periodic rotation policies.
5. A security architect designs network segmentation using VLANs to separate guest WiFi, employee workstations, servers, and IoT devices. Each VLAN has different security policies enforced by a next-generation firewall. Which security principle is primarily being implemented? (Select one!)
Explanation
Defense in depth implements multiple layers of security controls so that if one layer fails, others continue to provide protection. Network segmentation via VLANs creates isolation at the network layer, while the NGFW adds policy enforcement and traffic inspection, providing multiple defensive layers. Security through obscurity relies on secrecy rather than proven controls and is considered an anti-pattern. Single sign-on relates to authentication convenience, not network segmentation. Mandatory access control is a label-based access model typically used in classified environments.
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