CompTIA Security+ shows up in more entry-level and junior security job postings than any other single certification, which is exactly why so many people ask whether it is actually worth the time and money to earn it. The honest answer is: it depends heavily on your starting point. For some people it is the single highest-leverage certification they can earn this year. For others, a different credential or no certification at all is the smarter move. This guide walks through who Security+ is built for, why it matters to U.S. government and defense-adjacent employers specifically, what it costs and how long it lasts, and when you should pick a different path instead.
Who Security+ is actually built for
Security+ (exam code SY0-701) is a vendor-neutral, associate-level certification aimed at people who already have some general IT background - help desk, sysadmin, network administration, or a similar hands-on role - and are moving into a security-focused position for the first time. It assumes you already understand networking, operating systems, and basic troubleshooting, and builds security concepts on top of that foundation. It covers five domains:
- General Security Concepts (roughly 12%)
- Threats, Vulnerabilities, and Mitigations (roughly 22%)
- Security Architecture (roughly 18%)
- Security Operations (roughly 28%, the largest domain)
- Security Program Management and Oversight (roughly 20%)
If you have zero IT background at all, Security+ is still passable with enough study time, but it will feel steeper than it needs to. In that case, starting with a true zero-experience certification and moving to Security+ afterward is usually the faster overall path - covered in the CC comparison section below.
Why DoD 8570/8140 makes Security+ different from most certifications
One thing that sets Security+ apart from most other associate-level security certifications is its formal recognition under the U.S. Department of Defense's 8570.01-M (and its successor, 8140) directives. These directives require anyone working in specific cybersecurity roles on DoD networks and systems - military, civilian, and contractor alike - to hold a certification from an approved baseline list for their role level. Security+ sits on that approved list for multiple work roles, which makes it effectively mandatory, not optional, for a large slice of defense contracting and federal IT jobs. If you are targeting a role with a defense contractor, a federal agency, or any organization that touches DoD networks, Security+ is frequently a hard requirement listed directly in the job posting, not just a nice-to-have. This single fact makes Security+ worth it for a meaningful segment of the job market regardless of any other consideration.
Cost and the three-year renewal cycle
Security+ is not a one-time cost. The exam itself runs roughly USD 400-440 at list price (CompTIA raised prices across its exam lineup in mid-2026), though employer vouchers, academic bundles, and promotional pricing often bring the real cost down. Once you pass, the certification is valid for three years. To keep it active you need to either retake the current exam or earn continuing education units (CEUs) through CompTIA's Continuing Education program - things like relevant training, higher certifications, or approved activities that CompTIA tracks toward renewal. Most working professionals renew through CEUs rather than retesting, since it is usually less disruptive than blocking out exam-prep time every three years. Budget for both the upfront exam cost and this recurring renewal effort when you decide whether Security+ is worth it for your situation.
The jobs it actually unlocks
Security+ is most useful as a gate-opener for these kinds of roles:
- Security analyst or SOC analyst (tier 1)
- Systems administrator with security responsibilities
- Network administrator moving into a security-focused track
- IT auditor or compliance analyst (junior level)
- Any defense contractor or federal IT role that lists 8570/8140 baseline certifications as a requirement
It is rarely, by itself, the deciding factor for senior or specialist roles - those typically want a certification like CISSP, a cloud security specialty, or hands-on experience alongside Security+. Think of Security+ as the credential that gets your resume past the initial screen for junior and associate roles, not the credential that gets you promoted past them.
When to choose (ISC)2 CC instead
If you have no IT background at all - a career changer coming from an unrelated field, or a student with no hands-on technical experience - (ISC)2's Certified in Cybersecurity (CC) is usually the better starting point. CC assumes zero prior knowledge, covers foundational security concepts in a shorter, more approachable exam, and is now a paid credential for new candidates since the free access program closed to new participants on May 20, 2026 (roughly USD 199 plus a small annual maintenance fee). Starting with CC first and moving to Security+ once you have picked up some hands-on exposure is often faster overall than trying to absorb Security+'s content with no foundation at all, even though it means sitting two exams instead of one.
When to skip ahead instead
Security+ is not automatically the right move if you already have a few years of hands-on security or IT experience under your belt. If you are already doing security analyst work and want a credential that reflects deeper, more specialized skill, CompTIA's own CySA+ (Cybersecurity Analyst) sits a level above Security+ and focuses on detection and response rather than general baseline concepts. If you are eyeing a leadership or architecture track and already have several years of relevant experience, it may make more sense to work directly toward CISSP rather than treating Security+ as a required stepping stone - Security+ and CISSP are not formally linked, and CISSP does not require Security+ first. Skipping Security+ entirely also makes sense if your target employer has no DoD-adjacent requirement and your resume already demonstrates the equivalent skills through work history.
The verdict
Security+ is worth it for the large majority of people moving from general IT into a security-focused role, and it is close to mandatory if you are targeting defense contracting or federal work covered by DoD 8570/8140. It is less valuable as a first step for complete beginners with no IT background (start with CC instead) and less valuable as a next step for people who already have several years of hands-on security experience (consider CySA+ or working directly toward CISSP instead). For the broad middle - IT professionals making their first deliberate move into security - Security+ remains the single highest-leverage certification available in 2026.