CISSP vs CISA

At a glance

Factor	CISSP	CISA
Exam fee	$749	$575
Tier	advanced	advanced
Provider	ISC2	ISACA
Questions	100-150 (adaptive)	Varies
Duration	3 hours	Varies
Renewal	Every 3 years	Does not expire
Holders	Not disclosed	Not disclosed
DoD 8140 approved	Yes	N/A

What each cert actually signals

CISSP. CISSP is the cybersecurity industry's gold standard for senior practitioners. It tests breadth across eight domains rather than depth in any single one, which makes it a management-track cert rather than a technical-track one. ISC2 requires five years of paid cumulative experience in two or more of the eight domains before you can earn the full CISSP designation; pass the exam without the experience and you become an Associate of ISC2 until you log the time. The exam itself uses computerized adaptive testing, which means the difficulty adjusts to your performance and the length varies from 100 to 150 questions.

CISA. A advanced-tier cybersecurity certification issued by ISACA.

Cost and time investment

CISSP runs $749 for the exam fee alone. Budget another $200-$800 for study materials and practice exams, and 6-16 weeks of prep time depending on your starting point. CISA runs $575 with a similar prep-time range. All-in (fee + materials + opportunity cost of study time at a modest $25/hour), expect $3.2K-$5.5K total for CISSP and $3.1K-$5.4K for CISA.

CISA is the lower-risk first purchase when budget is a factor. That said, picking based on price alone is a trap. The right question is which cert the roles you are targeting list on their job postings, which the exam-format and audience sections below help you answer.

Exam format and difficulty

• CISSP: 100-150 (adaptive) questions, 3 hours, passing 700/1000.
• CISA: Varies questions, varies, passing varies.

Both certifications sit in the advanced tier. Difficulty is roughly comparable, though domain coverage and exam style differ (see next section).

Domain coverage

CISSP covers: Security and Risk Management; Asset Security; Security Architecture and Engineering; Communication and Network Security; Identity and Access Management; Security Assessment and Testing; Security Operations; Software Development Security.

CISA objectives are published by ISACA. Review them against your current skill inventory before committing.

Career impact

CISSP: CISSP carries one of the largest documented salary premiums in cybersecurity. ISC2 2024 workforce data shows CISSP holders earning $25,000-$45,000 more than non-holders at the same experience level. Architect, CISO, and lead engineer roles in the $140,000-$250,000 range frequently require it as a hard filter.

CISSP shows up most on job postings for: security architect, ciso, security engineer.

Pick this one if

CISSP. Senior security practitioners targeting architect, lead engineer, or CISO tracks. The right cert for professionals with five plus years of experience who want the broadest senior-level recognition.

CISA. You are advancing to senior roles and want ISACA validation.

Verdict

For most candidates, the answer is not "which one is better" but "which one does the job posting demand." Pull 5-10 postings for the role you want, tally which cert appears most often, and pick that one first. If both appear roughly equally, pick the lower-cost one and treat the other as a follow-up in year 2-3.

Run both numbers through the Certification ROI Calculator to see the expected payback under your specific salary and cost assumptions. Or take the Career DNA assessment (2 min, free) to get a cert path tailored to your profile.