2026 CISSP Practice Exam: Free ISC2 Questions Covering All 8 Domains
Reviewed by the FlashGenius certification content team · Last updated: July 2026 · Aligned to the current ISC2 CISSP exam outline
Master the Certified Information Systems Security Professional exam with 1,345+ CISSP practice questions. Instant scoring, detailed explanations, no registration required. Test your cybersecurity knowledge across all 8 ISC2 domains, or start with the free 10-question CISSP practice test.
What to Expect on the ISC2 CISSP Exam
The CISSP is globally recognized as the gold standard for information security professionals. Administered by ISC2, the English exam uses Computerized Adaptive Testing (CAT) that adjusts question difficulty based on your performance — no backtracking allowed.
100–150 Questions (CAT)
3 hours Time Limit
700 Passing Score (of 1000)
$749 Exam Cost (USD)
Question types: Multiple-choice and advanced innovative items (drag-and-drop, hotspots). Prerequisites: 5 years of paid work experience in 2+ of 8 domains (or 4 years + degree/credential). Renewal: Valid for 3 years; requires 40 CPE credits annually.
Video: CISSP Domains Explained — 2026 Study Guide
A clear breakdown of all 8 CISSP domains to help you understand the exam structure and focus your study.
Free CISSP Practice Questions by Domain
Drill each of the 8 official ISC2 domains with free domain-specific CISSP practice questions:
Free CISSP Exam Questions with Answers & Explanations
Try these free CISSP exam questions drawn from our 1,345+ question bank — two per domain, each with the correct answer and a detailed explanation. Want more? Take the free 10-question CISSP practice test or pick any domain above for 10 more free questions.
Sample Question 1 — Asset Security
Your organization is migrating sensitive customer data to a cloud provider. Which approach best mitigates the risk of data breaches during this transition, aligning with best practices and regulatory requirements like GDPR?
A. Prioritize cost optimization by selecting the cheapest cloud provider, focusing on security features provided by the cloud vendor.
B. Implement a comprehensive data loss prevention (DLP) solution post-migration, relying on the cloud provider's security controls.
C. Conduct a thorough risk assessment, develop a detailed data migration plan with robust security controls (encryption, access controls, etc.), and continuously monitor for threats throughout the process. (Correct answer)
D. Migrate all data at once for efficiency, addressing security concerns after the migration is complete.
Correct answer: C
Explanation: Option C is the most comprehensive and risk-averse approach. It aligns with a risk-based approach by first assessing the risks, then developing a mitigation strategy that includes various security controls before, during, and after migration. Options A and B are insufficient as they neglect thorough risk assessment and proactive controls. Option D is highly risky by delaying critical security implementation.
Sample Question 2 — Asset Security
A recent audit revealed vulnerabilities in your organization's physical security, specifically around access control to server rooms. Which strategic response best addresses this risk while considering business needs and cost-effectiveness?
A. Immediately replace all access control systems with the most advanced biometric technology available.
B. Implement a multi-factor authentication system for all server room access, combined with regular security audits and staff training. (Correct answer)
C. Increase security guard patrols around the clock, relying on human surveillance as the primary control.
D. Ignore the audit findings as the likelihood of a physical breach is low compared to cyber threats.
Correct answer: B
Explanation: Option B provides a balanced approach by implementing a strong technical control (MFA) alongside effective procedural controls (audits and training). Option A is overly expensive and possibly unnecessary; C is less effective than technological controls; D is negligent and unacceptable.
Sample Question 3 — Communication and Network Security
Your organization is migrating to a cloud-based infrastructure. A crucial element is securing communication between on-premises systems and cloud resources. Which approach best balances security and operational efficiency?
A. Implement a site-to-site VPN with strong authentication and encryption. (Correct answer)
B. Rely solely on the cloud provider's security features and controls.
C. Establish a direct network connection between the on-premises network and the cloud, bypassing VPNs for speed.
D. Use a hybrid approach with VPN for sensitive data and direct connections for less critical traffic, without proper security controls.
Correct answer: A
Explanation: A site-to-site VPN provides a secure, encrypted tunnel for communication between networks, mitigating risks associated with public internet transit. Option B is risky, relying entirely on a third party. Option C is insecure, exposing data to potential attacks. Option D is partially correct regarding hybrid approaches but lacks the crucial element of applying appropriate security controls to all communication channels.
Sample Question 4 — Communication and Network Security
Your organization experiences a significant increase in DDoS attacks. Which strategic response best mitigates future risks and aligns with a layered security approach?
A. Invest solely in advanced firewall technology.
B. Implement a comprehensive DDoS mitigation service from a reputable provider. (Correct answer)
C. Increase network bandwidth to absorb the attacks.
D. Rely on internal IT staff to develop a custom DDoS mitigation solution.
Correct answer: B
Explanation: A DDoS mitigation service from a reputable provider offers specialized expertise and scalable protection against various attack vectors. Option A is insufficient on its own. Option C is a short-sighted approach that doesn't address the root cause. Option D lacks the expertise and resources required for effective DDoS mitigation.
Sample Question 5 — Identity and Access Management
Your organization is undergoing a merger. Both companies utilize different IAM systems. Which approach best mitigates risk during the integration process?
A. Immediately migrate all users to the larger company's IAM system.
B. Maintain separate IAM systems until a comprehensive, unified system is implemented.
C. Prioritize migrating critical systems and users first, implementing a phased approach.
D. Employ a single sign-on (SSO) solution bridging both systems temporarily until a new system is deployed. (Correct answer)
Correct answer: D
Explanation: In the context of a merger and acquisition (M&A), the primary risk during the integration of disparate Identity and Access Management (IAM) systems is business disruption and security gaps (unauthorized access or orphaned accounts). Industry best practices and IT security frameworks (such as those found in Security+ and CISSP curricula) emphasize that Identity Federation or an SSO bridge is the most effective way to mitigate these risks. This approach allows for immediate interoperability and centralized visibility ('Day 1' access) without the high-risk, time-consuming process of a full data migration. While a phased migration (Option C) is a sound long-term strategy for consolidation, an SSO bridge (Option D) provides the safest and most effective risk mitigation during the actual integration process by providing a unified access layer while maintaining the integrity of the existing underlying systems.
Sample Question 6 — Identity and Access Management
A recent security audit revealed weak password policies across the organization. What's the BEST first step to improve security?
A. Immediately enforce a complex password policy with a forced reset for all users.
B. Implement multi-factor authentication (MFA) across all systems. (Correct answer)
C. Conduct user awareness training on password security best practices.
D. Deploy a password management tool for all users.
Correct answer: B
Explanation: The best first step is to implement multi-factor authentication (MFA), since it adds a strong second layer of defense even if passwords are weak or stolen. While stronger password policies, training, and password managers help, MFA most effectively reduces the risk of account compromise right away.
Sample Question 7 — Security Architecture and Engineering
Your organization is migrating to a cloud-based infrastructure. You need to ensure the security of sensitive data stored in the cloud. Which approach best balances security, cost, and agility?
A. Implement a fully on-premises solution mirroring the cloud environment.
B. Employ a hybrid cloud strategy, leveraging cloud services for non-sensitive data and on-premises for sensitive data. (Correct answer)
C. Utilize a public cloud provider's native security features exclusively, without additional controls.
D. Adopt a multi-cloud strategy with multiple providers to avoid vendor lock-in, ignoring any specific provider security features.
Correct answer: B
Explanation: A hybrid approach allows for leveraging the cost-effectiveness and scalability of the cloud while maintaining stricter controls for sensitive data on-premises. A is overly expensive and inflexible. C is insufficient, as relying solely on a vendor's basic security often leaves significant gaps. D introduces additional complexity and risks without addressing the core issue.
Sample Question 8 — Security Architecture and Engineering
A new mobile application requires access to corporate resources. Which security architecture principle should be prioritized to ensure least privilege and secure access?
A. Allow full network access for simplicity.
B. Implement a Zero Trust architecture, verifying identity and authorization for every access request. (Correct answer)
C. Establish a strong password policy as the primary security measure.
D. Use a Virtual Private Network (VPN) only for accessing sensitive data.
Correct answer: B
Explanation: Zero Trust is the most comprehensive approach, mitigating risks associated with implicit trust. A is fundamentally insecure. C is insufficient on its own. D doesn't address the need for secure access to all corporate resources.
Sample Question 9 — Security Assessment and Testing
Your organization is undergoing a merger with another company. As CISO, you need to assess the security posture of the acquiring company before integrating systems. What is the MOST effective initial step?
A. Immediately begin penetration testing on all their systems.
B. Conduct a comprehensive vulnerability scan of their network infrastructure.
C. Request and review their security documentation, including risk assessments, policies, and incident response plans. (Correct answer)
D. Deploy security monitoring tools on their network to observe their traffic patterns.
Correct answer: C
Explanation: Reviewing security documentation provides a high-level overview of their security posture, identifying potential risks and areas needing further investigation. Options A and D are premature and potentially disruptive, while B is incomplete without context.
Sample Question 10 — Security Assessment and Testing
A new cloud-based application is being deployed. What security assessment method would BEST ensure the application's security aligns with organizational security requirements and industry best practices before release?
A. Code review by internal developers.
B. Post-implementation security monitoring.
C. Static and dynamic application security testing (SAST/DAST). (Correct answer)
D. User acceptance testing (UAT) by a small group of users.
Correct answer: C
Explanation: SAST/DAST provide comprehensive security testing of the application's code and functionality, identifying vulnerabilities before deployment. While the other options are important, they are not sufficient to ensure application security.
Sample Question 11 — Security Operations
Your organization experiences a significant increase in phishing attempts targeting employees. Your current Security Information and Event Management (SIEM) system is struggling to keep up, resulting in delayed incident response. How should you prioritize addressing this?
A. Immediately purchase and implement a new, more powerful SIEM system.
B. Conduct a thorough risk assessment to determine the potential impact of successful phishing attacks and prioritize mitigation efforts based on risk. (Correct answer)
C. Increase employee security awareness training to reduce the likelihood of successful phishing attacks.
D. Block all external emails until a new SIEM system is in place.
Correct answer: B
Explanation: While options A and C are important, they don't address the immediate need. Option D is too disruptive and may cause operational issues. A risk assessment allows for a prioritized, strategic response based on the potential impact and likelihood of successful attacks, ensuring resources are allocated effectively. This aligns with a risk-based approach, a core tenet of CISSP principles.
Sample Question 12 — Security Operations
A recent audit reveals significant vulnerabilities in your organization's endpoint security posture. Your budget is limited. Which approach is most strategic?
A. Immediately replace all endpoints with new hardware and software.
B. Implement a comprehensive vulnerability management program focusing on critical systems first. (Correct answer)
C. Conduct a penetration test to identify exploitable vulnerabilities before addressing them.
D. Outsource all endpoint management to a third-party provider.
Correct answer: B
Explanation: Replacing all endpoints (A) is costly and disruptive. A penetration test (C) is valuable but should follow vulnerability identification and prioritization. Outsourcing (D) might not be cost-effective or solve underlying issues. Prioritizing vulnerabilities based on risk (B) aligns with a risk-based approach and allows for effective resource allocation, addressing the most critical vulnerabilities first within budget limitations.
Sample Question 13 — Security and Risk Management
Your organization is undergoing a merger with a company that has significantly different security practices. A comprehensive risk assessment reveals numerous vulnerabilities in the acquiring company's systems. How should you prioritize remediation efforts?
A. Immediately implement all recommended security controls across both organizations to ensure uniform security posture.
B. Prioritize remediation based on the criticality of assets and the likelihood of exploitation, focusing first on high-impact, high-probability vulnerabilities. (Correct answer)
C. Delegate remediation to each department, allowing them to address vulnerabilities based on their individual priorities.
D. Focus solely on the acquiring company's vulnerabilities, leaving the merged company's systems for later assessment.
Correct answer: B
Explanation: Prioritizing based on risk (impact x likelihood) is a fundamental principle of risk management. Option A is unrealistic and resource-intensive. Option C lacks central control and risk oversight. Option D ignores a significant portion of the risk profile.
Sample Question 14 — Security and Risk Management
A new regulation requires your organization to implement multi-factor authentication (MFA) for all employees accessing sensitive data within 90 days. You have limited resources and a large workforce. What's the best approach?
A. Implement MFA across all systems immediately, regardless of cost or disruption.
B. Prioritize MFA implementation based on risk, starting with systems and users accessing the most sensitive data. (Correct answer)
C. Postpone MFA implementation until more resources become available.
D. Implement MFA only for executive staff, focusing on high-value targets.
Correct answer: B
Explanation: A risk-based approach is most efficient. Option A ignores resource constraints. Option C violates the regulatory deadline. Option D is incomplete and fails to cover the entire risk surface.
Sample Question 15 — Software Development Security
Your organization is adopting DevOps practices. How would you best ensure secure coding practices are integrated throughout the software development lifecycle (SDLC)?
A. Mandate developer training on secure coding and conduct periodic code reviews. (Correct answer)
B. Implement a Static Application Security Testing (SAST) tool at the end of the development cycle.
C. Rely on penetration testing as the primary security measure for newly developed software.
D. Outsource all application security responsibilities to a third-party vendor.
Correct answer: A
Explanation: Option A is the best approach because it focuses on proactive security measures by educating developers and incorporating code reviews throughout the SDLC. This is a holistic and risk-based approach. B is insufficient as SAST is only one aspect and should be integrated earlier. C relies solely on reactive measures, while D lacks accountability and control.
Sample Question 16 — Software Development Security
A critical vulnerability has been discovered in a live production application. What is the most appropriate initial response?
A. Immediately deploy a patch without thorough testing.
B. Conduct a full security audit of the entire application codebase.
C. Isolate the affected application to limit the impact and begin investigating the root cause. (Correct answer)
D. Ignore the vulnerability and hope it doesn't get exploited.
Correct answer: C
Explanation: Isolating the application minimizes the attack surface while investigation determines the best remediation strategy. A is too risky, B is too broad and time-consuming, D is unacceptable.
What are the official CISSP domains and their weights?
The CISSP exam covers eight domains, weighted according to the official (ISC)² outline: Security & Risk Management (16%), Asset Security (10%), Security Architecture & Engineering (13%), Communication & Network Security (13%), Identity & Access Management (13%), Security Assessment & Testing (12%), Security Operations (13%), and Software Development Security (10%). Your practice tests should roughly mirror these weights for accurate preparation.
How many questions are on the CISSP exam?
The English CISSP exam uses the updated Computerized Adaptive Testing (CAT) format: 100–150 total questions, maximum of 3 hours, multiple-choice + advanced item types (drag-and-drop, hotspots, etc.), and no backtracking because of adaptive scoring. For non-English CISSP exams: 250 fixed questions, 6 hours, linear non-adaptive format.
How many CISSP practice tests should I take before the exam?
Successful candidates generally complete 3–5 full-length practice tests. What matters most is consistency, reviewing mistakes, improving weak domains, and building stamina for a 3-hour adaptive test. FlashGenius helps with this through Domain Practice, Mixed Practice, Smart Review, and Exam Simulation.
What score do I need to pass CISSP?
You need a scaled score of 700/1000. (ISC)² does not disclose raw percentage required, question-level scoring, or CAT scoring thresholds. Focus on consistently strong performance across all domains rather than hitting a specific percentage.
Are CISSP practice exams similar to the real test?
High-quality practice tests should mimic scenario-based reasoning, risk-management mindset questions, multi-step elimination, mixed technical + managerial focus, and domain-weighted distribution. FlashGenius matches this style with AI-generated explanations, Common Mistakes analysis, and realistic Exam Simulations.
How long do most people study for the CISSP?
Most candidates spend 10–16 weeks preparing. This depends on prior infosec experience, study hours per week, familiarity with governance/architecture topics, and practice test performance. Many people sit for the exam once they consistently score 70–80%+ on quality practice tests.
How difficult is the CISSP exam?
CISSP is widely considered challenging because it covers a very broad knowledge base, tests both management and technical concepts, uses scenario-heavy questions, and adapts to your performance (CAT). Practice exams help you adapt to the exam style and thought process.
How many PBQs (Performance-Based Questions) are on the CISSP exam?
(ISC)² does not guarantee the number of PBQs. However, candidates typically report 1 to 10 PBQs total, most commonly 4–5 PBQs. PBQs may include diagrams, drag-and-drop flows, or network scenarios.
What is the best way to study for CISSP using practice tests?
A proven method: Start with domain-specific quizzes, move to mixed-domain practice, schedule weekly exam simulations, deep-dive wrong answers, build quick-review flashcards, re-test weak domains, and review "Common Mistakes" patterns. FlashGenius helps automate this through Smart Review and detailed explanations.
How often should I take CISSP practice tests?
Recommended cadence: Daily—20–40 domain questions; Weekly—1 full simulation; Last 2 weeks—2–3 simulations + heavy review. Regular review of mistakes is the key to improving.
Are practice tests alone enough to pass the CISSP?
No. You should combine reading official materials, watching video lessons, taking practice tests, reviewing flashcards, and reinforcing weak domains. CISSP tests understanding, not memorization.
Are free CISSP practice questions reliable?
Free questions are useful for beginners but often are outdated, too easy, lack explanations, and don't represent CAT-style scenarios. Paid platforms like FlashGenius include updated content, AI explanations, Smart Review, and domain tracking.
What is the CISSP exam pass rate?
(ISC)² does not release official pass rates. However, community estimates range around 50–60%, reflecting the exam's difficulty.
How should I review CISSP practice test mistakes effectively?
Use this structured approach: Identify the domain of the mistake, determine whether the error was misinterpretation, lack of knowledge, or poor elimination, read the explanation carefully, take a similar practice question, and add the concept to your flashcards. FlashGenius simplifies this using Smart Review + Common Mistakes Analytics.
Are CISSP practice questions updated for the latest trends and threats?
High-quality platforms should update content for new cyber threats, revised best practices, industry shifts (cloud, AI security, Zero Trust), latest (ISC)² exam outline, and 2025 cybersecurity trends. FlashGenius maintains updated banks aligned to current exam expectations.
What CISSP domains do most people struggle with?
Based on candidate feedback: Security Architecture & Engineering (Domain 3), Security Operations (Domain 7), and Software Development Security (Domain 8). You should allocate extra practice time to these areas.
Should I take CISSP practice tests in timed mode?
Yes—timed sessions help you manage pressure, improve decision-making, adapt to the CAT pacing, and avoid running out of time in the exam.
How does a CISSP CAT-style practice exam differ from a regular one?
CAT-style tests adjust difficulty dynamically, lock previous questions, focus more on conceptual reasoning, and identify your pass/fail status as you go. FlashGenius Exam Simulation approximates CAT-style pressures and pacing.
Can practice tests replace reading the CISSP CBK?
No. Practice tests reinforce understanding but do not replace domain reading, notes, real-world examples, and reference guides. Use both together for balanced preparation.
When should I stop taking practice tests?
You are likely exam-ready once you score 70–80%+ consistently, understand why each answer is correct, have no major weak domains, can complete simulations comfortably, and perform well on scenario-based questions.
Are memorization-heavy CISSP topics included in practice tests?
Yes, expect questions on cryptography, IAM, security models, SDLC, incident response, business continuity, and governance frameworks. Flashcards help with rapid recall. FlashGenius provides interactive flashcards for this.
Are CISSP practice tests helpful for management-focused candidates?
Yes. CISSP places heavy emphasis on managerial decision-making: budgeting, policy, risk prioritization, governance, and vendor management. Practice tests strengthen your ability to pick the "management mindset" answer.