CompTIA Security+ - Highest ROI CompTIA Certification in 2026
Security+ sits at the top of the ROI ranking because it satisfies DoD 8570/8140 requirements, appears in a high volume of civilian and government security job postings, and represents a significant salary step up from support-level roles. It covers authentication, cryptography, network security, risk management, and incident response. The exam includes performance-based questions that require applying knowledge to scenario tasks. CompTIA recommends Network+ and two years of IT admin experience, though motivated candidates without that background do pass with structured preparation. For anyone targeting cybersecurity, this certification should be a priority.
Check price on Amazon →Top CompTIA certifications ranked by job market demand and return on study time in 2026. Covers entry-level through mid-career paths in support, networking, security, and cloud.
CompTIA certifications form one of the most recognized vendor-neutral IT credential stacks in the industry. Each exam targets a specific skill set and career level. The five certifications ranked below are chosen for their measurable impact on job placement rates, salary benchmarks, and the realism of their study requirements for working adults.
| Certification | Experience Level | Rating |
| — | — | — |
| CompTIA Security+ | Mid-entry security | 4.9/5 |
| CompTIA A+ | Entry IT support | 4.8/5 |
| CompTIA Network+ | Entry-mid networking | 4.7/5 |
| CompTIA CASP+ | Advanced security | 4.6/5 |
| CompTIA Linux+ | Sysadmin/DevOps | 4.5/5 |
How we picked
We compare every pick against the field on real specifications, certifications, and aggregated owner reviews. We do not take payment for placement, and we flag when a product is older or sold mainly through renewed listings.
Top picks compared
| Pick | Best for | Score | |
|---|---|---|---|
| CompTIA Security+ - Highest ROI CompTIA Certification in 2026 | Check price | ||
| CompTIA A+ - Best Starting Point for IT Career Entry | Check price | ||
| CompTIA Network+ - Best Certification for Networking Career Path | Check price | ||
| CompTIA CASP+ - Best Advanced CompTIA Certification for Senior Security | Check price | ||
| CompTIA Linux+ - Best CompTIA Certification for Sysadmin and DevOps Roles | Check price |
Our picks up close
CompTIA Security+ - Highest ROI CompTIA Certification in 2026
Security+ sits at the top of the ROI ranking because it satisfies DoD 8570/8140 requirements, appears in a high volume of civilian and government security job postings, and represents a significant salary step up from support-level roles. It covers authentication, cryptography, network security, risk management, and incident response. The exam includes performance-based questions that require applying knowledge to scenario tasks. CompTIA recommends Network+ and two years of IT admin experience, though motivated candidates without that background do pass with structured preparation. For anyone targeting cybersecurity, this certification should be a priority.
CompTIA A+ - Best Starting Point for IT Career Entry
A+ is the most common IT entry credential and the baseline that many employers check first. It validates competency with PC hardware repair, software troubleshooting, networking fundamentals, and operating system support across Windows, macOS, and Linux. The two-exam format means more total exam cost and preparation time, but the certification covers a broader skills range than single-exam alternatives. A+ is the practical first step for anyone moving from a non-IT background into help desk, desktop support, or field technician roles. Both exam vouchers are purchased separately and can be taken in any order.
CompTIA Network+ - Best Certification for Networking Career Path
Network+ is the most widely accepted networking foundation credential and serves as both a standalone qualification and a stepping stone to vendor-specific networking certs. It covers subnetting, VLANs, wireless standards, network troubleshooting tools, and foundational security concepts. Most network administrator and systems administrator job descriptions at the entry level list Network+ as a qualifying credential. Completing Network+ before Security+ creates a stronger conceptual foundation for the security topics in that exam. Study time to readiness typically runs 40 to 80 hours for candidates with practical networking exposure.
CompTIA CASP+ - Best Advanced CompTIA Certification for Senior Security
CASP+ (CompTIA Advanced Security Practitioner) is aimed at experienced security professionals who want a performance-based credential at the enterprise architecture level without moving into management. It covers security engineering, risk analysis, cryptographic systems, and integrating security across complex environments. Unlike most CompTIA exams, it does not have a passing score threshold published by CompTIA, as it is competency-based. It is positioned at or above the level of CISSP for technical depth and is suited for senior engineers rather than analysts moving up from Security+.
CompTIA Linux+ - Best CompTIA Certification for Sysadmin and DevOps Roles
Linux+ validates practical Linux administration skills including shell scripting, file system management, security hardening, and system maintenance. The exam was restructured to include performance-based questions requiring demonstrated command-line proficiency. For candidates targeting sysadmin, DevOps, or cloud infrastructure roles, Linux+ provides a focused credential that complements Network+ and Cloud+. It requires no formal prerequisites but assumes comfort with Linux command-line operations. Candidates working in environments that use Linux servers or containers will find the study material directly applicable to daily tasks.
Before you buy
What to consider
Match your certification choice to a specific job title in your target market. Search 20 to 30 job postings for roles you want within the next 12 months and note which certifications appear most often. If security roles dominate your results, prioritize Security+ over A+ even if you are relatively new to IT. If networking roles are more common, Network+ paired with A+ is a stronger combination. Budget for exam retake attempts when planning, since first-attempt pass rates vary and the exam vouchers are not cheap. Structured courses with practice exams reduce retake risk significantly.
What to consider
For related reading, see [best CompTIA A+ training courses](/articles/best-comptia-a-training) and [best CompTIA Security+ training](/articles/best-comptia-security-training). Review our evaluation criteria at [/methodology](/methodology).
Quick answers
Most IT roles require one to three certifications depending on seniority. Entry-level help desk positions often require A+ alone or A+ plus one other. Mid-level security analyst roles commonly list Security+ alongside a degree or relevant experience. Senior roles increasingly require experience over additional certifications. Stacking multiple lower-level certifications provides less value than earning one higher-level cert combined with documented real-world experience.
Yes. Most CompTIA certifications are valid for three years. Renewal can happen through continuing education units earned via training activities, or by retaking the current version of the exam, or by passing a higher-level certification in the same category. CompTIA's CertMaster CE platform offers renewal training. Letting a certification lapse does not void previous experience, but a lapsed credential on a resume may raise questions in job screening processes.
Tom Reeves has reviewed consumer electronics for over a decade, with a focus on televisions, monitors, laptops, and smart home devices. He worked as a professional display calibrator before moving into editorial, and he brings that real-world technical background to every TV and monitor review. At TheTestedHub, Tom covers display calibration, computer monitors, laptops and 2-in-1s, smart home platforms, home theater setups, and HDR performance.
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