Free Practice Questions for ISC2 Certified Information Systems Security Professional (CISSP) Certification

    🔄 Last checked for updates July 10th, 2026

    Study with 297 exam-style practice questions designed to help you prepare for the ISC2 Certified Information Systems Security Professional (CISSP). All questions are aligned with the latest exam guide and include detailed explanations to help you master the material.

    Start Practicing

    All Domains

    Practice with randomly mixed questions from all topics

    Question MixAll Topics
    FormatRandom Order

    Domain Mode

    Practice questions from a specific topic area

    Quiz History

    Exam Details

    Key information about ISC2 Certified Information Systems Security Professional (CISSP)

    Official study guide

    View

    Question formats CertSafari offers
    • Multiple choice
    • Ordering
    • Matching
    language:

    Chinese, English, German, Japanese, Spanish

    exam format:

    Multiple choice and advanced innovative items, Computerized Adaptive Testing (CAT)

    passing score:

    700 out of 1000 points

    prerequisites:

    Minimum five years cumulative, full-time experience in two or more of the eight domains of the CISSP Exam Outline. A post-secondary degree or additional ISC2 credential may satisfy up to one year of experience. Part-time work and internships may also count. Candidates without full experience can become an Associate of ISC2 by passing the exam and have six years to earn the required experience.

    time limit minutes:

    180 minutes

    number of questions:

    100 - 150

    Exam Topics & Skills Assessed

    Skills measured (from the official study guide)

    Domain 1: Security and Risk Management

    Subdomain 1.1: Understand, adhere to, and promote professional ethics

    - ISC2 Code of Professional Ethics - Organizational code of ethics

    Subdomain 1.2: Understand and apply security concepts

    - Confidentiality, integrity, and availability, authenticity, and nonrepudiation (5 Pillars of Information Security)

    Subdomain 1.3: Evaluate and apply security governance principles

    - Alignment of the security function to business strategy, goals, mission, and objectives - Organizational processes (e.g., acquisitions, divestitures, governance committees) - Organizational roles and responsibilities - Security control frameworks (e.g., International Organization for Standardization (ISO), National Institute of Standards and Technology (NIST), Control Objectives for Information and Related Technology (COBIT), Sherwood Applied Business Security Architecture (SABSA), Payment Card Industry (PCI), Federal Risk and Authorization Management Program (FedRAMP)) - Due care/due diligence

    Subdomain 1.4: Understand legal, regulatory, and compliance issues that pertain to information security in a holistic context

    - Cybercrimes and data breaches - Licensing and Intellectual Property requirements - Import/export controls - Transborder data flow - Issues related to privacy (e.g., General Data Protection Regulation (GDPR), California Consumer Privacy Act, Personal Information Protection Law, Protection of Personal Information Act) - Contractual, legal, industry standards, and regulatory requirements

    Subdomain 1.5: Understand requirements for investigation types (i.e., administrative, criminal, civil, regulatory, industry standards)

    Understand requirements for investigation types (i.e., administrative, criminal, civil, regulatory, industry standards)

    Subdomain 1.6: Develop, document, and implement security policy, standards, procedures, and guidelines

    Develop, document, and implement security policy, standards, procedures, and guidelines

    Subdomain 1.7: Identify, analyze, assess, prioritize, and implement Business Continuity (BC) requirements

    - Business impact analysis (BIA) - External dependencies

    Subdomain 1.8: Contribute to and enforce personnel security policies and procedures

    - Candidate screening and hiring - Employment agreements and policy driven requirements - Onboarding, transfers, and termination processes - Vendor, consultant, and contractor agreements and controls

    Subdomain 1.9: Understand and apply risk management concepts

    - Threat and vulnerability identification - Risk analysis, assessment, and scope - Risk response and treatment (e.g., cybersecurity insurance) - Applicable types of controls (e.g., preventive, detection, corrective) - Control assessments (e.g., security and privacy) - Continuous monitoring and measurement - Reporting (e.g., internal, external) - Continuous improvement (e.g., risk maturity modeling) - Risk frameworks (e.g., International Organization for Standardization (ISO), National Institute of Standards and Technology (NIST), Control Objectives for Information and Related Technology (COBIT), Sherwood Applied Business Security Architecture (SABSA), Payment Card Industry (PCI))

    Subdomain 1.10: Understand and apply threat modeling concepts and methodologies

    Understand and apply threat modeling concepts and methodologies

    Subdomain 1.11: Apply supply chain risk management (SCRM) concepts

    - Risks associated with the acquisition of products and services from suppliers and providers (e.g., product tampering, counterfeits, implants) - Risk mitigations (e.g., third-party assessment and monitoring, minimum security requirements, service level requirements, silicon root of trust, physically unclonable function, software bill of materials)

    Subdomain 1.12: Establish and maintain a security awareness, education, and training program

    - Methods and techniques to increase awareness and training (e.g., social engineering, phishing, security champions, gamification) - Periodic content reviews to include emerging technologies and trends (e.g., cryptocurrency, artificial intelligence (AI), blockchain) - Program effectiveness evaluation

    Domain 2: Asset Security

    Subdomain 2.1: Identify and classify information and assets

    - Data classification - Asset Classification

    Subdomain 2.2: Establish information and asset handling requirements

    - Information and asset ownership - Asset inventory (e.g., tangible, intangible) - Asset management

    Subdomain 2.3: Provision information and assets securely

    Provision information and assets securely

    Subdomain 2.4: Manage data lifecycle

    - Data roles (i.e., owners, controllers, custodians, processors, users/subjects) - Data collection - Data location - Data maintenance - Data retention - Data remanence - Data destruction

    Subdomain 2.5: Ensure appropriate asset retention (e.g., End of Life (EOL), End of Support)

    Ensure appropriate asset retention (e.g., End of Life (EOL), End of Support)

    Subdomain 2.6: Determine data security controls and compliance requirements

    - Data states (e.g., in use, in transit, at rest) - Scoping and tailoring - Standards selection - Data protection methods (e.g., Digital Rights Management (DRM), data loss prevention (DLP), cloud access security broker (CASB))

    Domain 3: Security Architecture and Engineering

    Subdomain 3.1: Research, implement and manage engineering processes using secure design principles

    - Threat modeling - Least privilege - Defense in depth - Secure defaults - Fail securely - Segregation of Duties (SoD) - Keep it simple and small - Zero trust or trust but verify - Privacy by design - Shared responsibility - Secure access service edge

    Subdomain 3.2: Understand the fundamental concepts of security models (e.g., Biba, Star Model, Bell-LaPadula)

    Understand the fundamental concepts of security models (e.g., Biba, Star Model, Bell-LaPadula)

    Subdomain 3.3: Select controls based upon systems security requirements

    Select controls based upon systems security requirements

    Subdomain 3.4: Understand security capabilities of Information Systems (IS) (e.g., memory protection, Trusted Platform Module (TPM), encryption/decryption)

    Understand security capabilities of Information Systems (IS) (e.g., memory protection, Trusted Platform Module (TPM), encryption/decryption)

    Subdomain 3.5: Assess and mitigate the vulnerabilities of security architectures, designs, and solution elements

    - Client-based systems - Server-based systems - Database systems - Cryptographic systems - Industrial Control Systems (ICS) - Cloud-based systems (e.g., Software as a Service (SaaS), Infrastructure as a Service (IaaS), Platform as a Service (PaaS)) - Distributed systems - Internet of Things (IoT) - Microservices (e.g., application programming interface (API)) - Containerization - Serverless - Embedded systems - High-Performance Computing systems - Edge computing systems - Virtualized systems

    Subdomain 3.6: Select and determine cryptographic solutions

    - Cryptographic life cycle (e.g., keys, algorithm selection) - Cryptographic methods (e.g., symmetric, asymmetric, elliptic curves, quantum) - Public key infrastructure (PKI) (e.g., quantum key distribution) - Key management practices (e.g., rotation) - Digital signatures and digital certificates (e.g., non-repudiation, integrity)

    Subdomain 3.7: Understand methods of cryptanalytic attacks

    - Brute force - Ciphertext only - Known plaintext - Frequency analysis - Chosen ciphertext - Implementation attacks - Side-channel - Fault injection - Timing - Man-in-the-Middle (MITM) - Pass the hash - Kerberos exploitation - Ransomware

    Subdomain 3.8: Apply security principles to site and facility design

    Apply security principles to site and facility design

    Subdomain 3.9: Design site and facility security controls

    - Wiring closets/intermediate distribution facilities - Server rooms/data centers - Media storage facilities - Evidence storage - Restricted and work area security - Utilities and heating, ventilation, and air conditioning (HVAC) - Environmental issues (e.g., natural disasters, man-made) - Fire prevention, detection, and suppression - Power (e.g., redundant, backup)

    Subdomain 3.10: Manage the information system lifecycle

    - Stakeholders needs and requirements - Requirements analysis - Architectural design - Development /implementation - Integration - Verification and validation - Transition/deployment - Operations and maintenance/sustainment - Retirement/disposal

    Domain 4: Communication and Network Security

    Subdomain 4.1: Apply secure design principles in network architectures

    - Open System Interconnection (OSI) and Transmission Control Protocol/Internet Protocol (TCP/IP) models - Internet Protocol (IP) version 4 and 6 (IPv6) (e.g., unicast, broadcast, multicast, anycast) - Secure protocols (e.g., Internet Protocol Security (IPSec), Secure Shell (SSH), Secure Sockets Layer (SSL)/Transport Layer Security (TLS)) - Implications of multilayer protocols - Converged protocols (e.g., Internet Small Computer Systems Interface (iSCSI), Voice over Internet Protocol (VoIP), InfiniBand over Ethernet, Compute Express Link) - Transport architecture (e.g., topology, data/control/management plane, cut-through/store-and-forward) - Performance metrics (e.g., bandwidth, latency, jitter, throughput, signal-to-noise ratio) - Traffic flows (e.g., north-south, east-west) - Physical segmentation (e.g., in-band, out-of-band, air-gapped) - Logical segmentation (e.g., virtual local area networks (VLANs), virtual private networks (VPNs), virtual routing and forwarding, virtual domain) - Micro-segmentation (e.g., network overlays/encapsulation; distributed firewalls, routers, intrusion detection system (IDS)/intrusion prevention system (IPS), zero trust) - Edge networks (e.g., ingress/egress, peering) - Wireless networks (e.g., Bluetooth, Wi-Fi, Zigbee, satellite) - Cellular/mobile networks (e.g., 4G, 5G) - Content distribution networks (CDN) - Software defined networks (SDN), (e.g., application programming interface (API), Software-Defined Wide-Area Network, network functions virtualization) - Virtual Private Cloud (VPC) - Monitoring and management (e.g., network observability, traffic flow/shaping, capacity management, fault detection and handling)

    Subdomain 4.2: Secure network components

    - Operation of infrastructure (e.g., redundant power, warranty, support) - Transmission media (e.g., physical security of media, signal propagation quality) - Network Access Control (NAC) systems (e.g., physical, and virtual solutions) - Endpoint security (e.g., host-based) - Voice, video, and collaboration (e.g., conferencing, Zoom rooms) - Remote access (e.g., network administrative functions) - Data communications (e.g., backhaul networks, satellite) - Third-party connectivity (e.g., telecom providers, hardware support)

    Subdomain 4.3: Implement secure communication channels according to design

    Implement secure communication channels according to design

    Domain 5: Identity and Access Management (IAM)

    Subdomain 5.1: Control physical and logical access to assets

    - Information - Systems - Devices - Facilities - Applications - Services

    Subdomain 5.2: Design identification and authentication strategy (e.g., people, devices, and services)

    - Groups and Roles - Authentication, Authorization and Accounting (AAA) (e.g., multi-factor authentication (MFA), password-less authentication) - Session management

    Subdomain 5.3: Federated identity with a third-party service

    - On-premises - Cloud - Hybrid

    Subdomain 5.4: Implement and manage authorization mechanisms

    - Role-based access control (RBAC) - Rule-based access control - Mandatory access control (MAC) - Discretionary access control (DAC) - Attribute-based access control (ABAC) - Risk-based access control - Access policy enforcement (e.g., policy decision point, policy enforcement point)

    Subdomain 5.5: Manage the identity and access provisioning lifecycle

    - Account access review (e.g., user, system, service) - Provisioning and deprovisioning (e.g., on /off boarding and transfers) - Service accounts management - Role definition and transition (e.g., people assigned to new roles) - Privilege escalation (e.g., use of sudo, auditing its use)

    Subdomain 5.6: Implement authentication systems

    - Registration, proofing, and establishment of identity - Federated Identity Management (FIM) - Credential management systems (e.g., Password vault) - Single sign-on (SSO) - Just-In-Time

    Domain 6: Security Assessment and Testing

    Subdomain 6.1: Design and validate assessment, test, and audit strategies

    - Internal (e.g., within organization control) - External (e.g., outside organization control) - Third-party (e.g., outside of enterprise control) - Location (e.g., on-premises, cloud, hybrid)

    Subdomain 6.2: Conduct security control testing

    - Vulnerability assessment - Penetration testing (e.g., red, blue, and/or purple team exercises) - Log reviews - Synthetic transactions/benchmarks - Code review and testing - Misuse case testing - Coverage analysis - Interface testing (e.g., user interface, network interface, application programming interface (API)) - Breach attack simulations - Compliance checks

    Subdomain 6.3: Collect security process data (e.g., technical and administrative)

    - Account management - Management review and approval - Key performance and risk indicators - Backup verification data - Training and awareness - Disaster recovery (DR) and Business Continuity (BC)

    Subdomain 6.4: Analyze test output and generate report

    - Remediation - Exception handling - Ethical disclosure

    Subdomain 6.5: Conduct or facilitate security audits

    - Internal (e.g., within organization control) - External (e.g., outside organization control) - Third-party (e.g., outside of enterprise control) - Location (e.g., on-premise, cloud, hybrid)

    Domain 7: Security Operations

    Subdomain 7.1: Understand and comply with investigations

    - Evidence collection and handling - Reporting and documentation - Investigative techniques - Digital forensics tools, tactics, and procedures - Artifacts (e.g., data, computer, network, mobile device)

    Subdomain 7.2: Conduct logging and monitoring activities

    - Intrusion detection and prevention (IDPS) - Security information and event management (SIEM) - Continuous monitoring and tuning - Egress monitoring - Log management - Threat intelligence (e.g., threat feeds, threat hunting) - User and entity behavior analytics (UEBA)

    Subdomain 7.3: Perform configuration management (CM) (e.g., provisioning, baselining, automation)

    Perform configuration management (CM) (e.g., provisioning, baselining, automation)

    Subdomain 7.4: Apply foundational security operations concepts

    - Need-to-know/least privilege - Segregation of Duties (SoD) and responsibilities - Privileged account management - Job rotation - Service-level agreements (SLA)

    Subdomain 7.5: Apply resource protection

    - Media management - Media protection techniques - Data at rest/data in transit

    Subdomain 7.6: Conduct incident management

    - Detection - Response - Mitigation - Reporting - Recovery - Remediation - Lessons learned

    Subdomain 7.7: Operate and maintain detection and preventative measures

    - Firewalls (e.g., next generation, web application, network) - Intrusion detection systems (IDS) and intrusion prevention systems (IPS) - Whitelisting/blacklisting - Third-party provided security services - Sandboxing - Honeypots/honeynets - Anti-malware - Machine learning and artificial intelligence (AI) based tools

    Subdomain 7.8: Implement and support patch and vulnerability management

    Implement and support patch and vulnerability management

    Subdomain 7.9: Understand and participate in change management processes

    Understand and participate in change management processes

    Subdomain 7.10: Implement recovery strategies

    - Backup storage strategies (e.g., cloud storage, onsite, offsite) - Recovery site strategies (e.g., cold vs. hot, resource capacity agreements) - Multiple processing sites - System resilience, high availability (HA), Quality of Service (QoS), and fault tolerance

    Subdomain 7.11: Implement disaster recovery (DR) processes

    - Response - Personnel - Communications (e.g., methods) - Assessment - Restoration - Training and awareness - Lessons learned

    Subdomain 7.12: Test disaster recovery plans (DRP)

    - Read-through/tabletop - Walkthrough - Simulation - Parallel - Full interruption - Communications (e.g., stakeholders, test status, regulators)

    Subdomain 7.13: Participate in Business Continuity (BC) planning and exercises

    Participate in Business Continuity (BC) planning and exercises

    Subdomain 7.14: Implement and manage physical security

    - Perimeter security controls - Internal security controls

    Subdomain 7.15: Address personnel safety and security concerns

    - Travel - Security training and awareness (e.g., insider threat, social media impacts, two-factor authentication (2FA) fatigue) - Emergency management - Duress

    Domain 8: Software Development Security

    Subdomain 8.1: Understand and integrate security in the Software Development Life Cycle (SDLC)

    - Development methodologies (e.g., Agile, Waterfall, DevOps, DevSecOps, Scaled Agile Framework) - Maturity models (e.g., Capability Maturity Model (CMM), Software Assurance Maturity Model (SAMM)) - Operation and maintenance - Change management - Integrated Product Team

    Subdomain 8.2: Identify and apply security controls in software development ecosystems

    - Programming languages - Libraries - Tool sets - Integrated Development Environment - Runtime - Continuous Integration and Continuous Delivery (CI/CD) - Software configuration management (CM) - Code repositories

    Subdomain 8.3: Assess the effectiveness of software security

    - Security weaknesses and vulnerabilities at the source-code level - Security of application programming interfaces (API) - Secure coding practices - Software-defined security

    Subdomain 8.4: Assess security impact of acquired software

    - Application security testing (e.g., static application security testing (SAST), dynamic application security testing (DAST), software composition analysis, Interactive Application Security Test (IAST)) - Auditing and logging of changes - Risk analysis and mitigation - Commercial-off-the-shelf (COTS) - Open source - Third-party - Managed services (e.g., enterprise applications) - Cloud services (e.g., Software as a Service (SaaS), Infrastructure as a Service (IaaS), Platform as a Service (PaaS))

    Subdomain 8.5: Define and apply secure coding guidelines and standards

    Define and apply secure coding guidelines and standards

    Techniques & products

    ISC2 Code of Professional Ethics
    Confidentiality
    Integrity
    Availability
    Authenticity
    Nonrepudiation
    ISO
    NIST
    COBIT
    SABSA
    PCI
    FedRAMP
    Due care
    Due diligence
    Cybercrimes
    Data breaches
    Licensing
    Intellectual Property
    Import/export controls
    Transborder data flow
    GDPR
    CCPA
    PIPL
    POPIA
    Business impact analysis (BIA)
    Cybersecurity insurance
    Threat modeling
    Supply chain risk management (SCRM)
    Product tampering
    Counterfeits
    Implants
    Silicon root of trust
    Physically unclonable function
    Software bill of materials
    Social engineering
    Phishing
    Security champions
    Gamification
    Cryptocurrency
    Artificial intelligence (AI)
    Blockchain
    Digital Rights Management (DRM)
    Data loss prevention (DLP)
    Cloud access security broker (CASB)
    Least privilege
    Defense in depth
    Secure defaults
    Fail securely
    Segregation of Duties (SoD)
    Zero trust
    Privacy by design
    Shared responsibility
    Secure access service edge
    Biba security model
    Star Model
    Bell-LaPadula security model
    Memory protection
    Trusted Platform Module (TPM)
    Encryption/decryption
    Industrial Control Systems (ICS)
    SaaS
    IaaS
    PaaS
    IoT
    Microservices
    API
    Containerization
    Serverless
    High-Performance Computing
    Edge computing
    Symmetric cryptography
    Asymmetric cryptography
    Elliptic curves
    Quantum cryptography
    Public key infrastructure (PKI)
    Quantum key distribution
    Digital signatures
    Digital certificates
    Brute force attack
    Ciphertext only attack
    Known plaintext attack
    Frequency analysis
    Chosen ciphertext attack
    Implementation attacks
    Side-channel attack
    Fault injection attack
    Timing attack
    Man-in-the-Middle (MITM)
    Pass the hash
    Kerberos exploitation
    Ransomware
    HVAC
    OSI model
    TCP/IP models
    IPv4
    IPv6
    IPSec
    SSH
    SSL/TLS
    iSCSI
    VoIP
    InfiniBand over Ethernet
    Compute Express Link
    VLANs
    VPNs
    IDS
    IPS
    Bluetooth
    Wi-Fi
    Zigbee
    4G
    5G
    CDN
    SDN
    SD-WAN
    Network functions virtualization (NFV)
    VPC
    Network Access Control (NAC)
    AAA
    Multi-factor authentication (MFA)
    Password-less authentication
    Federated Identity Management (FIM)
    Password vault
    Single sign-on (SSO)
    Just-In-Time access
    Role-based access control (RBAC)
    Rule-based access control
    Mandatory access control (MAC)
    Discretionary access control (DAC)
    Attribute-based access control (ABAC)
    Risk-based access control
    Sudo
    Vulnerability assessment
    Penetration testing
    Red team exercises
    Blue team exercises
    Purple team exercises
    Log reviews
    Synthetic transactions
    Benchmarks
    Code review
    Misuse case testing
    Breach attack simulations
    Digital forensics
    IDPS
    Security information and event management (SIEM)
    Egress monitoring
    Threat intelligence
    Threat feeds
    Threat hunting
    User and entity behavior analytics (UEBA)
    Configuration management (CM)
    Service-level agreements (SLA)
    Firewalls (next generation, web application, network)
    Whitelisting/blacklisting
    Sandboxing
    Honeypots/honeynets
    Anti-malware
    High availability (HA)
    Quality of Service (QoS)
    Fault tolerance
    Disaster recovery (DR)
    Business Continuity (BC)
    2FA fatigue
    Agile
    Waterfall
    DevOps
    DevSecOps
    Scaled Agile Framework (SAFe)
    Capability Maturity Model (CMM)
    Software Assurance Maturity Model (SAMM)
    Integrated Product Team
    Integrated Development Environment (IDE)
    Continuous Integration and Continuous Delivery (CI/CD)
    Software configuration management (SCM)
    Application security testing (SAST, DAST, SCA, IAST)
    Commercial-off-the-shelf (COTS)

    CertSafari is not affiliated with, endorsed by, or officially connected to (ISC)². Full disclaimer