Quick Answer
CISA (Certified Information Systems Auditor) is a globally recognized certification offered by ISACA for professionals who audit, control, monitor, and assess an organization's information technology and business systems. According to PrepForCerts analysis, CISA-certified professionals earn $90,000-$180,000 annually, with the certification being required for IT audit positions at Big 4 accounting firms and major enterprises worldwide.
CISA Certification Overview
The Certified Information Systems Auditor (CISA) certification was introduced by ISACA in 1978, making it one of the oldest and most respected certifications in the IT audit field. For over 45 years, CISA has been the gold standard for IT audit professionals worldwide, with over 160,000 certified professionals across 180 countries.
CISA validates your ability to assess vulnerabilities, report on compliance, and institute controls within an enterprise. The certification demonstrates that you have the knowledge and skills to acquire, develop, test, and implement information systems, and to monitor the ongoing performance of IT systems and controls.
CISA is highly valued in:
- IT Audit Departments: Internal IT audit teams at major corporations rely on CISA-certified professionals to assess technology risks and controls
- Big 4 Accounting Firms: Deloitte, PwC, EY, and KPMG require or strongly prefer CISA for IT audit and risk advisory roles
- Internal Audit Teams: Organizations increasingly expect internal auditors to hold CISA when auditing IT systems
- Regulatory Compliance Roles: Financial services, healthcare, and government require CISA for compliance positions
- IT Governance Positions: Professionals responsible for IT governance frameworks benefit from CISA knowledge
- Consulting Firms: IT advisory practices value CISA for client-facing audit engagements
The 5 CISA Domains Explained
CISA covers five comprehensive domains that represent the complete scope of IT auditing:
Covers IT audit standards, guidelines, and best practices. Key topics include audit planning and risk assessment, audit execution, evidence gathering, audit reporting, and follow-up activities. Emphasizes the ISACA IT Audit and Assurance Standards.
Focuses on IT governance frameworks, organizational structures, and IT strategy. Includes IT policies and procedures, resource management, service provider management, and IT performance monitoring. Covers COBIT and other governance frameworks.
Addresses project governance, system development lifecycle (SDLC), software acquisition practices, and system implementation. Covers change management, testing methodologies, and post-implementation review.
Covers IT service management, IT operations, hardware and software maintenance, and business continuity planning. Includes disaster recovery, incident response, and problem management. This is the largest operations-focused domain.
Focuses on information security management, logical and physical access controls, network security, and data privacy. This is the largest domain and covers security frameworks, encryption, identity management, and vulnerability assessment.
CISA Experience Requirements
To earn the CISA certification, candidates must meet the following experience requirements:
- Total Experience: 5 years of professional information systems auditing, control, or security work experience
- Substitutions Available: Up to 3 years can be substituted:
- 1 year of information systems or auditing experience = 1 year
- Master's degree in IS or IT = 1 year
- Bachelor's or master's degree from ISACA-accredited university = 1 year
- CISM, CGEIT, or CSX-P certification = 1 year
- CPA, CA, or CIA certification with IT audit experience = 1 year
- Minimum Required: At least 2 years of direct IS audit experience cannot be substituted
Experience must be gained within 10 years preceding the certification application or within 5 years of passing the exam. All experience is subject to verification by ISACA.
CISA vs Other ISACA Certifications
Understanding how CISA compares to other certifications helps you choose the right path:
- CISA vs CISM: CISA is for IT auditors who evaluate controls; CISM is for security managers who implement controls. CISA audits security programs; CISM builds them.
- CISA vs CRISC: CISA focuses on auditing all IT areas; CRISC specializes in risk management. Both are complementary for GRC professionals.
- CISA vs CIA: CISA specializes in IT audit; CIA (Certified Internal Auditor) covers all internal audit areas. IT auditors often hold both.
- Common Path: Many professionals start with CISA, then add CISM for security management roles or CRISC for risk advisory positions.
Career Opportunities with CISA
CISA certification opens doors to specialized audit and governance roles:
- IT Auditor: $90,000 - $130,000
- Senior IT Auditor: $110,000 - $150,000
- IT Audit Manager: $130,000 - $180,000
- IT Audit Director: $150,000 - $200,000
- IT Risk Manager: $120,000 - $160,000
- Compliance Manager: $110,000 - $150,000
- Chief Audit Executive: $180,000 - $280,000
According to PrepForCerts analysis, CISA is required for IT audit positions at all Big 4 accounting firms and is increasingly demanded in financial services, healthcare, and technology sectors. The certification demonstrates both technical IT knowledge and audit expertise.
CISA Exam Details
- Questions: 150 multiple-choice questions
- Duration: 4 hours
- Passing Score: 450 out of 800
- Format: Computer-based testing at PSI testing centers
- Exam Fee: $575 USD (ISACA members) / $760 USD (non-members)
- Languages: English, Chinese (Simplified and Traditional), French, German, Hebrew, Italian, Japanese, Korean, Portuguese, Spanish, Turkish
- Recertification: Every 3 years with 120 CPE hours (20 hours annually minimum)
CISA Study Tips from PrepForCerts
- Focus on Domain 5 (27% weight): Protection of Information Assets is the largest domain and covers security controls you'll evaluate as an auditor
- Think Like an Auditor: Questions test your ability to identify issues and recommend solutions, not implement them yourself
- Master IT Audit Standards: Understand ISACA's IT Audit and Assurance Standards and Guidelines thoroughly
- Study Control Frameworks: Know COBIT, NIST, ISO 27001 from an auditor's perspective
- Understand Risk-Based Auditing: Many questions test your ability to prioritize audit activities based on risk
- Review SDLC Controls: Domain 3 covers controls at each phase of system development
Frequently Asked Questions
What does CISA stand for?
CISA stands for Certified Information Systems Auditor. It's offered by ISACA and is the global standard for IT audit professionals, validating expertise in auditing, control, monitoring, and assessing an organization's IT and business systems.
What is the CISA certification salary?
According to PrepForCerts analysis, CISA-certified professionals earn $90,000-$150,000 on average. IT Audit Managers earn $130,000-$180,000, IT Audit Directors earn $150,000-$200,000, and senior compliance roles can exceed $160,000.
How hard is the CISA exam?
CISA is considered challenging with 150 questions in 4 hours. The pass rate is approximately 50%. Most candidates study 3-6 months and need strong understanding of IT audit processes, control frameworks, and IS governance concepts.
What experience is required for CISA?
CISA requires 5 years of professional IS auditing, control, or security work experience. Up to 3 years can be substituted with education (degrees, certifications) or general IS/auditing experience, but at least 2 years of direct IS audit experience is required.
Is CISA worth it in 2026?
Yes, CISA is extremely valuable for IT audit careers. It's required by Big 4 accounting firms for IT audit roles, recognized globally, and demonstrates expertise in an increasingly important field as regulatory requirements grow.
What is the difference between CISA and CISM?
CISA focuses on IT auditing and control evaluation, while CISM covers information security management. CISA professionals audit and assess controls; CISM professionals design and manage security programs. Many professionals in GRC hold both certifications.