Certified Information Systems Auditor

Explore the certified information systems auditor exam overview: four hours, 150+ questions, online or in-person testing, 450 passing score, and domain-weighted coverage from auditing to information assets protection.

Discover how standards, guidelines, and practices govern IT audit and assurance, uphold independence and ethics, and guide roles and documentation with Isaca resources and the IT audit framework (ITF).

Explore business processes and the audit charter to define scope, ownership, and independence in information systems auditing. Learn risk analysis, planning, and resource management for effective information systems audits.

Explore common business processes and controls across e-commerce, EDI, email, POS, electronic banking, SCADA, and AI systems; learn how auditors assess security, data privacy, and governance risks.

Learn how controls safeguard assets, protect operating system environments and application integrity, and ensure availability by applying preventative, detective, and corrective types, with control matrices.

Develop risk-based audit planning by conducting risk assessment and risk analysis to target areas with the greatest risk, then test internal controls and perform substantive and compliance testing before concluding.

Explore how project management informs auditing, from planning and executing the audit program to fieldwork, documentation, and reporting, including compliance and substantive testing and fraud considerations.

Explore sampling methodologies for information systems audit, including compliance and substantive testing, with statistical and non-statistical approaches such as attribute and variable sampling and go/no go decisions.

Collect evidence to prove that controls are in place by evaluating independence, objectivity, and qualifications of the evidence provider, and applying reperformance, walkthroughs, and interviews for exam-ready results.

Explore data analytics and computer assisted audit techniques (CAATs) to assess control effectiveness, identify process improvements, detect fraud, and plan and conduct audits with independent data analysis.

Continuous auditing uses computer assisted audit techniques to test system reliability in real time or near real time, gathering data samples for analysis. It remains distinct from continuous monitoring.

Learn how to craft an effective audit report and present findings through exit interviews, defining scope, credible conclusions, realistic recommendations with timelines, and direct senior-management communication.

Explore how auditors strengthen quality assurance by evaluating information system controls and leveraging control self-assessments to enhance the internal audit function.

Define governance as directing and controlling an organization to meet strategic objectives through policies, controls, and Cobit 2019 for enterprise governance of IT, delivering value and managing risk.

Explore best practices for enterprise governance in IT and information security governance, aligning strategy with business goals, regulatory compliance, and NIST guidance on controls and audits.

Integrate governance, strategy and planning with business intelligence and enterprise data flow architecture to align controls, policies, and risk during information systems audits.

Learn how standards, policies, and procedures guide compliance risk audits, with emphasis on mandatory standards, management intent in policies, documented procedures, and the information security policy communicated and reviewed organization-wide.

Understand how organizational structure shapes governance through two IT committees: strategy and steering. The strategy committee evaluates relevance and alignment, resources, and risk; the steering committee approves budgets and projects.

Discover roles and responsibilities across governance layers—from the board of directors to the CISO—and learn how segregation of duties, compensating controls, audit trails, and independent reviews secure information systems.

Assess risk management in the enterprise by linking enterprise architecture to risk appetite, thresholds, and capacity, and by identifying assets, threats, risk responses, and the cost effective balance needed.

Explore the three modes of risk analysis—qualitative, semi-quantitative, and quantitative—and apply them to risk registers and probability–impact matrices to quantify risk.

Explore maturity models in information systems auditing, focusing on CMMi and ideal for integration, with five levels from level one to five and kaizen-driven continuous improvement.

Explore how global, regional, and industry-specific standards and regulations shape governance, risk, and compliance for information systems auditors, with insights into GDPR, intellectual property, and audits.

Focuses on resource management in IT, examining how optimal utilization, portfolio management, and risk analysis align IT services with organizational objectives.

Explore human resource management within information systems auditing by examining recruitment, onboarding, security training, vacation policies, and termination procedures as key controls.

Explore organizational change management and its impact on roles and communication. Analyze financial management topics like chargeback models and IAS 38 IFRS.

Compare insourcing, outsourcing, and hybrid IT models, including on-site and off-site considerations. Learn governance, risk, and compliance concepts, such as cross-border issues and SOC reports.

Implement cloud governance with the same rigor as on-prem controls, enforcing policies and access. Designate a person to manage cloud relationships, roles, and data protection with third-party providers, per Isaca.

Learn how to govern third party services through contractual obligations, clearly defined roles, SLAs, change management, and pre-planned policies, controls, audits, and logs.

Understand how quality assurance and quality control differ, how auditors use policies and independence, and how QA and QC ensure stakeholder requirements across the software development life cycle.

Define performance as user and stakeholder perception. Design accurate metrics with PDCA, ITIL, COBIT, and Lean Six Sigma to monitor KPIs, CSFs, and benchmarking for continuous improvement.

Learn project governance and management for information systems, covering governance and controls, policy and auditor roles, organizational structures (functional, projectized, matrix), and the project life cycle from initiation to closing.

Explore roles in project management, including the project steering committee, sponsor, and manager, plus agile roles like product owner and scrum master, the project charter, and change management.

Learn how the project management office coordinates resources, sets processes, and supports project managers to ensure timely, on-budget delivery across projects, programs, and portfolios.

Initiate a project by translating business analysis into a preliminary scope and a charter or PID signed by the project sponsor. Use kickoff meetings and workshops to align stakeholders.

Explore planning in predictive and agile projects, and how auditors evaluate estimation techniques like bottom-up, top-down, parametric, FPA, CPM, PERT, and critical chain.

Executing and monitoring a project by planning, carrying out work, and tracking progress with WBS, information radiators, burndown charts, and KPIs, while managing change, scope, and risk.

Close the project with a defined end, hand off deliverables to stakeholders, obtain sign-offs, verify requirements are met, and ensure auditors understand the lifecycle and discuss controls.

Explore how a feasibility analysis informs a business case, outlining scope, current state, risks, requirements, evaluation, and how auditors verify controls, costs, and benefits.

Explore the system development life cycle, including waterfall, iterative, agile, and the V-model. Understand feasibility, requirements, testing, deployment, post-implementation reviews, and auditors' risk-based oversight.

Explore key system and software development methods, including rapid application development, agile development, prototyping, object oriented system development, DevOps, and business process re-engineering, with auditor-focused insights.

Explore computer aided software engineering (case) and fourth generation languages (4gl), including upper, middle, and lower case tooling, code generators, environmental independence, and their use in information systems auditing.

Identify and design application and data controls for input, processing, and output, including batch controls, data validation checks, error handling, and secure report distribution.

Decision support systems empower end users and senior management with interactive models and multi-source data to inform decisions on less structured problems, while emphasizing flexibility, non-mandatory use, and change management.

Auditors assess testing methodologies to ensure the team plans, allocates resources for, and conducts appropriate tests from unit, interface, and integration testing to user acceptance testing, using a testing plan.

Audit application systems and data integrity by evaluating controls, testing plans, user requirements, and end-user interviews, then assess relational and referential integrity.

Plan data migration with testing and audit trails to ensure data integrity, accuracy, and meaning across conversions, backups, and rollback readiness.

Explore and compare parallel, phased, and abrupt changeover techniques for migrating to new systems. Learn how testing, sign-offs, data conversion integrity, and audit considerations shape go live decisions.

Examine system change procedures and post-implementation review to ensure formal change management, documented change logs, and assessment of system adequacy after deployment for IRS audits.

Identify essential hardware, servers, and backend devices that power enterprise operations, including networks and cloud, while highlighting controls, security, and disaster recovery in information systems auditing.

Explore USB and RFID technologies, their uses, and security risks. Apply encryption, login controls, and RFID blocking measures to prevent data theft and unauthorized access.

Identify and track all assets through IT asset management (ITAM), covering hardware and software, using inventory and lifecycle principles to enforce policies, controls, and security.

Explore how system interfaces connect hardware and software to enable data transfers across person-to-person, partner-to-partner, and system-to-system workflows, while applying policies, controls, encryption, compression, and end-user computing governance.

Govern data as the lifeblood of the digital age by applying data governance, the CIA triangle, and Cobit-based data quality and life cycle practices to protect confidentiality, integrity, and availability.

Explore how Windows, Linux (Ubuntu), and macOS operate within server and end-user environments. Learn controls, policies, asset management, and patching to protect OS integrity.

Learn software licensing, asset management, and source code governance, including open source, freeware, shareware, paid licenses, version control, central repositories, audits, escrow agreements, and auditor responsibilities.

Explore the differences between incident and problem management, their interrelations, and the role of the service desk in identifying, categorizing, and resolving incidents; auditors review procedures, logs, and SLA metrics.

Learn the differences between patch and release management. Patches are small code tweaks to fix security issues; releases are tested, authorized collections of changes under change management for users.

Understand how service level management creates SLA targets for availability, capacity, performance, continuity, and security, and how auditors verify these targets with SLAs, exception reports, logs, and slam charts.

Examine how database management systems help auditors govern data, covering schemas, metadata, security controls, backups, and the major structures—hierarchical, network, relational, and object-oriented.

Explore how business impact analysis drives continuity planning by identifying critical processes, interdependencies, and RTO/RPO to minimize downtime and inform DRP.

Evaluate system and application resiliency to withstand disruptions, guided by RTO and RPO metrics. Understand server clustering—active-passive and active-active—along with redundancy, diverse routing (copper, fiber, RF, satellite), and last-mile protection.

Explore the critical role of backups and restoration in data protection and business continuity, covering on-site and off-site storage, cloud options, media rotation, and testing restores.

Learn to craft a policy-driven business continuity plan with top-management buy-in, clear incident definitions, escalation, and a CSO-led call tree for disasters and the disaster recovery plan.

Explore why testing the business continuity plan (BCP) and disaster recovery plan (DRP) matters, with paper and preparedness tests. Learn to plan, monitor, and apply post-test lessons with auditor considerations.

Learn how disaster recovery plans support the business continuity plan, define RPO and RTO, evaluate site options from cold to mirrored, and ensure roles, testing, and compliance are in place.

Explore how to test the disaster recovery plan (DRP) with objectives-driven methods, including paper tests, walkthroughs, simulations, and full interruptions, aligned to RPO and RTO.

Discover how standards and frameworks guide auditors to protect information assets, from policies and procedures and documentation to end-user security awareness, with ISO 27001 and ISACA control frameworks.

Identify and assign roles such as data owners, data custodians, and security administrators, and clarify responsibilities for auditing the information systems management framework and access controls.

Apply IT security baselines to establish inventory, password policies, and access controls, and to manage patches, backups, vulnerability assessments, and disaster recovery.

Explore the principles of data privacy, audit considerations under ISACA guidance, and key concepts like consent, legitimate purpose, PII lifecycle, privacy of data and image, safeguards, and breach management.

Explore physical access and auditing, distinguish proactive safeguards from reactive countermeasures, and learn to design managerial, technical, and physical controls to protect information assets in a defense-in-depth approach.

Audit environmental controls for information systems, including humidity, temperature, power reliability, alarms, detectors, and fire suppression, to protect physical assets and mitigate natural and malicious exposures.

Explore identity and access management as the first line of defense, blending physical and logical access controls, mandatory and discretionary models, and RBAC with time of day rules.

Learn how logical access controls protect information assets, from direct device login to local and remote access, within an organization's risk appetite, and identify vulnerabilities with multi-factor authentication and biometrics.

Explore audit logging for system access, protecting audit trails, enforcing access controls, retention and archiving of logs, and using reduction, trend, and signature detection tools (e.g., Splunk) with cost considerations.

Learn data loss prevention and data leak prevention concepts, data integrity across rest, motion, and use, and auditing guidance on improper tuning and false positives.

Explore network infrastructure from local area networks to wide area networks and storage area networks. Understand virtual networks, virtual private networks, the OSI model, and network protocols that enable communication.

Explore client-server architectures, two tiered and three tiered models, thin and thick clients, and middleware roles, including RPCs and ORBs, while assessing risks, controls, and versioning in networked applications.

Explore how firewalls protect and segment networks, covering packet filtering, application and stateful inspection, plus DMZs, screened hosts, and dual-homed designs for secure inter-network traffic.

Change management mitigates risk in networks by enforcing authorization and assessment, logging changes, and preventing unauthorized changes through segregation of duties, sandboxing, and monitoring.

Explore how encryption protects confidentiality and integrity in transit and at rest using symmetric and asymmetric algorithms, with key lengths and public key infrastructure enabling secure exchanges.

Leverage symmetric and asymmetric encryption to power TLS, IPsec, SSH, and S/MIME, enabling secure web traffic, VPNs, remote access, and secure email with digital signatures and certificates.

Demonstrates how the public key infrastructure secures web communications using digital certificates and certificate authorities to prevent man-in-the-middle attacks, ensuring trusted identities and seamless HTTPS.

Analyze social media as a major attack vector and governance risk for information systems. Evaluate policy controls, remote-work vulnerabilities, confidential information exposure, intellectual property rights, and misuses of content.

Explore virtualization and cloud computing, from virtual machines to containers and serverless compute, and examine public cloud leaders AWS, Azure, Google, and IBM.

Implement security awareness training to reduce phishing, spear phishing, and smishing risks, enforce consistent assessments, maintain documentation for accreditation, and apply a risk-based approach to tailor end-user content.

Analyze information system attack methods and techniques, from DoS and botnets to phishing and malware, and apply multi-layered controls: preventive, detective, and corrective.

Auditors learn practical testing techniques for security controls in production, including authentication checks, access logging, and verifying physical and logical access controls.

Auditors examine network and system penetration testing, including external and internal testing, black/gray/white box methods, reconnaissance, planning, and reporting to protect information assets.

Explore intrusion detection and intrusion protection tools, including network-based and host-based IDS, signature and neural network–driven monitoring, honeypots, and post penetration test network assessments.

Learn how to prepare for and respond to security incidents with incident response management, including roles like incident coordinator, incident director, and security specialists, reporting, prioritization, and post-incident review.

Learn how digital forensics identifies, preserves, analyzes, and presents evidence in a legally admissible way. The episode covers evidence collection, chain of custody, imaging, extraction, interrogation, and the auditor's role.