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Credential

CompTIA Security+

Issued by CompTIA. Below is what it costs, how long it lasts, and what it actually signals — with the date we checked.


CompTIA Security+

Free to learn · paid certificate Recognized

The honest cost
Cost$439
Validity3 years.
Renewal50 continuing-education units plus about $50/yr (~$150 per cycle), or renew automatically via a higher certificate such as CySA+, PenTest+ or SecurityX.
AssessmentProctored exam — 90 questions, 90 minutes, pass mark 750/900
ProctoredYes
Verify viaCredly
Cost per active year$196/yr(439 + 150) ÷ 3

Named repeatedly as the foot-in-the-door credential for defensive security roles, and used as a DoD 8570 baseline.

Read this before you buy

This is a worked example of why we date everything: an apparent three-way price conflict was really one price change with stale copies downstream.

· Official page

How we know

Price corrected 2026-07-25. Three sources citing $392/$404/$425 were not three disagreeing estimates — all three predate CompTIA's 2026-06-01 price rise. Current official figure is $439.

· https://www.comptia.org/en-us/certifications/security/

Free preparation

Free resources first. Everything below is free to use; the exam itself is the paid part.

MITRE ATT&CK

Free to learn · no certificate

The shared catalogue of attacker techniques, free and open. It is the vocabulary security teams and reports actually use, which makes it the highest-leverage thing to learn early.

CISA — cyber threats and advisories

Free to learn · no certificate

Current advisories from the US cyber defence agency, free and public. Reading real advisories teaches the shape of an incident better than a course.

Professor Messer Security+ SY0-701 full video course

Free to learn · no certificate

Free course covering the current Security+ objectives. The course is free; the exam is a separate paid purchase.

Professor Messer Security+ SY0-701 full video course

Free to learn · no certificate

Complete free course covering the current exam objectives.

LetsDefend — SOC simulation

Free to learn · no certificate

Alert investigation and log analysis against simulated incidents. Free tier is live; paid tiers exist and are not counted here.

TryHackMe free rooms

Free to learn · no certificate

The SOC Level 1 path contains free rooms. A subscription exists — only the free rooms are counted here.

Used by these roles

  • Security Analyst — You work out what an attacker did, or is doing, and write it up so someone can act.
  • SOC Analyst — You watch the alerts, work out which ones matter, and investigate the ones that do.