glossary
What Is CISSP? Certification, Requirements, and Cost
CISSP is ISC2’s advanced cybersecurity certification for experienced professionals. Learn what it covers, the experience gate, cost, and next decision.
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CISSP (Certified Information Systems Security Professional) is an advanced, vendor-neutral cybersecurity certification from ISC2. It validates broad knowledge across security and risk management domains and is aimed at experienced security professionals, not beginners.
What it means
ISC2's official CISSP page presents it as an advanced credential spanning multiple security domains (such as security and risk management, asset security, security architecture, and operations). ISC2 provides a free exam outline and flash cards; training and practice tests are paid. CISSP assumes substantial prior security experience.
Core source records
This table lists the page’s core content records and when they were checked. Claim-specific citations appear beside the relevant text and may not be repeated here.
| ID | Supports | Source | Checked |
|---|---|---|---|
| CIT-01 | Definition source for What is CISSP? | ISC2 — ISC2 CISSP Resources | 2026-07-05 |
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