CISSP vs CISA

I like to explain it this way: CISSP proves you can build and manage security programs. CISA proves you can evaluate whether those programs actually work. One implements security. The other audits it. Both are valuable, but they serve fundamentally different professional functions.

The confusion arises because both certifications deal with information security, both require significant experience, and both appear on job postings for senior roles. But CISSP holders design security architectures and policies. CISA holders assess whether those architectures and policies meet organizational objectives and compliance requirements. In practice, this means security professionals typically pursue CISSP while auditors pursue CISA — and organizations benefit from having both perspectives.

Fundamentally Different Professional Functions

CISSP covers eight domains spanning security architecture, engineering, operations, risk management, and software development. It’s designed for professionals who build, implement, and manage security programs. When a CISSP holder looks at a firewall, they’re thinking about how to configure it effectively, where it fits in defense-in-depth, and whether it aligns with organizational security architecture.

CISA covers five domains focused on auditing: the IS audit process, IT governance and management, information systems acquisition and development, IS operations and business resilience, and protection of information assets. When a CISA holder looks at that same firewall, they’re thinking about whether the configuration meets documented policies, whether change control procedures were followed, and whether evidence exists to demonstrate compliance.

In practice, this means CISSP holders design firewall rules while CISA holders verify those rules match policy and regulatory requirements. Both perspectives matter. But if you’re the person writing the security architecture, you need CISSP. If you’re the person auditing the security architecture, you need CISA.

Attribute	CISSP	CISA
Issuing Body	ISC2	ISACA
Primary Focus	Security management & architecture	IS auditing & compliance
Domains	8 security domains	5 audit domains
Experience Required	5 years in 2+ security domains	5 years in IS audit/security
Exam Format	100-150 questions (CAT), 3 hours	150 questions, 4 hours
Passing Score	700/1000	450/800
Exam Cost	$749	$575 (members) / $760 (non-members)
Annual Maintenance	$125/year	$45 (members) / $85 (non-members)
CPE Requirements	120 CPE / 3 years	120 CPE / 3 years
Typical Salary	$120,000 – $161,000	$110,000 – $150,000

The Experience Requirements

CISSP requires five years of cumulative, paid work experience in at least two of eight security domains. The experience must be directly in information security — designing controls, implementing systems, managing programs, or similar hands-on security work. A qualifying degree or approved credential can substitute for one year.

CISA also requires five years of professional experience, but the focus is different. ISACA wants experience in information systems auditing, control, or security. At least three years should be directly in IS audit work, though waivers exist for related experience. A relevant degree can substitute for one to two years depending on the credential.

CISA No Longer Qualifies for the CISSP Experience Waiver (April 2026): ISC2 maintains an approved credential list that waives one year of the five-year CISSP experience requirement. Effective April 1, 2026, CISA was removed from that approved list. Candidates who held CISA and submitted their CISSP application before April 1, 2026 could still use it for the waiver. Applications submitted on or after that date cannot. CISM (also from ISACA) remains on the approved list. If reducing the CISSP experience requirement matters to your timeline, verify the current approved credentials on ISC2’s experience requirements page.

Here’s an important practical note: you can take either exam before meeting the experience requirements. Pass the CISSP exam and you become an Associate of ISC2 with six years to gain the required experience. Pass the CISA exam and you have five years from passing to submit your application with documented experience. Both certifications let you demonstrate knowledge first and fulfill experience requirements later.

What Each Exam Actually Tests

CISSP tests your ability to apply security concepts to complex organizational situations. Questions present scenarios and ask what you should do given the circumstances. The exam assumes you’ve implemented security controls, managed teams, developed policies, and made decisions that affected organizational security posture. You need judgment, not just knowledge.

CISA tests your understanding of audit methodology and IT governance. Questions focus on how to plan audits, evaluate controls, assess evidence, report findings, and ensure compliance with standards. The exam assumes you’ve conducted audits, reviewed documentation, interviewed stakeholders, and written audit reports. You need to think like an auditor.

The practical difference: CISSP might ask “What control would best protect this data?” CISA might ask “How would you verify this control is operating effectively?” Same underlying topic, completely different professional perspective.

✓CISSP validates security program ownership: Security managers, architects, and consultants who design and implement controls need CISSP. It proves you can make security decisions that affect organizations — not just assess decisions others have made. When you hold CISSP, employers expect you to build security programs.
✓CISA validates audit expertise: IT auditors, compliance professionals, and internal assessors who evaluate controls need CISA. It proves you understand audit methodology, evidence standards, and how to objectively assess whether security programs achieve their objectives. When you hold CISA, employers expect you to examine security programs.
✓Different reporting structures: CISSP holders typically report through security or IT leadership. CISA holders often report through internal audit, compliance, or directly to audit committees. These distinct reporting lines reflect the independence required for audit functions versus the operational integration required for security functions.
✓Complementary organizational roles: Organizations benefit from both perspectives. Security teams implement controls (CISSP). Audit teams verify controls work (CISA). Neither function replaces the other. Professionals who work at the intersection — such as security assessors or GRC specialists — may benefit from holding both certifications.

When CISSP Is the Right Choice

Building and Managing Security Programs

You’re responsible for designing security architecture, implementing controls, developing policies, or managing security teams. Your work creates the security program that others will eventually audit. CISSP validates you understand how to build effective security — not just how to evaluate what others have built.

Security Leadership Roles

CISO, security director, security manager, or security architect positions require CISSP far more often than CISA. These roles involve making security decisions and taking responsibility for security outcomes. Hiring managers expect CISSP because it proves broad security expertise across implementation domains.

Technical Security Consulting

When clients hire you to assess their security posture and recommend improvements, they want someone who understands what good security looks like. CISSP demonstrates you can design security solutions — not just identify gaps. You’re brought in to fix problems, not just document them.

When CISA Is the Right Choice

IT Audit Career Path

You work in internal audit, external audit, or compliance — evaluating whether IT systems and controls meet organizational and regulatory requirements. Your professional value comes from objective assessment and audit methodology expertise. CISA is the gold standard credential for IT auditors worldwide.

Compliance and Regulatory Roles

SOX compliance, regulatory examination, or third-party assessment work requires understanding audit standards and evidence evaluation. CISA proves you can conduct audits according to accepted standards and provide reliable conclusions about control effectiveness. Regulators and compliance officers recognize CISA specifically.

Big Four or Consulting Audit Practice

If you’re joining Deloitte, EY, PwC, KPMG, or similar firms in their IT audit practice, CISA is typically expected or required. These organizations perform external audits where CISA provides the credentialing standard that clients expect. Security consulting might want CISSP; audit practice wants CISA.

Holding Both Certifications

Some professionals legitimately need both CISSP and CISA. GRC specialists who both implement security frameworks and assess control effectiveness benefit from demonstrating both skill sets. Security consultants who do both advisory work and audit engagements use both credentials depending on the engagement type. Internal security assessors who evaluate their own organization’s controls may find both certifications relevant.

If you’re considering both, think about which credential matches your primary job function. Most professionals find their daily work aligns clearly with one certification. The second certification adds breadth but rarely changes your core professional identity. Someone who builds security programs all day is a security professional who happens to understand audit — not suddenly an auditor.

Career progression also matters. CISSP tends to lead toward CISO and security leadership. CISA tends to lead toward Chief Audit Executive and audit leadership. Both are successful paths. But they’re different paths, and your primary certification signals which direction you’re headed.

Cost and Maintenance Comparison

CISSP costs $749 for the exam with $125 annual maintenance that includes ISC2 membership. You need 120 CPE credits over three years, with at least 90 of those credits directly related to security. CISA costs $575 for ISACA members or $760 for non-members, with annual maintenance of $45 (members) or $85 (non-members). CISA also requires 120 CPE credits over three years.

ISACA membership costs $135 annually plus local chapter dues. If you’re pursuing CISA, membership makes financial sense because of exam and maintenance discounts. ISC2 membership is included in the $125 annual maintenance fee for CISSP holders, so there’s no separate membership decision to make.

Both certifications represent significant ongoing investments in time and money. Choose based on career alignment rather than cost differences — the maintenance requirements are similar, and the career impact far outweighs the fee differences.

CISSP and CISA serve different professional functions in information security. CISSP proves you can design, implement, and manage security programs. CISA proves you can audit, assess, and evaluate those programs. Most professionals need one or the other based on whether they build security or examine it. Your career direction — security leadership versus audit leadership — determines which certification provides the most value for your professional trajectory.