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CompTIA certifications are the most widely recognized vendor-neutral IT credentials on the market. Every CompTIA cert proves foundational or specialized knowledge in a way that transfers across employers and industries. A well-planned CompTIA stack covers hardware, networking, security, Linux, and advanced security from a single vendor with strong employer recognition.

CompTIA certifications are valid for three years and renewed through Continuing Education (CE) credits or by passing a higher-level exam. Plan your renewal schedule from day one.

The CompTIA Certification Stack

CertificationExam CodeLevelWhat It Proves
CompTIA A+220-1201 / 220-1202EntryHardware, OS, networking basics, troubleshooting
CompTIA Network+N10-009Entry/IntermediateNetworking infrastructure, protocols, troubleshooting
CompTIA Security+SY0-701Entry/IntermediateSecurity fundamentals, threats, cryptography, compliance
CompTIA Linux+XK0-005IntermediateLinux administration, scripting, system management
CompTIA CySA+CS0-003IntermediateCybersecurity analysis, threat detection, SOC analyst skills
CompTIA PenTest+PT0-003IntermediatePenetration testing methodology
CompTIA SecurityX / CASP+CAS-005AdvancedEnterprise security architecture, risk management
CompTIA SecAI+CY0-001IntermediateAI security, AI systems integration
CompTIA SecOT+SOT-001IntermediateOperational technology security, ICS/SCADA

CompTIA A+ (220-1201 / 220-1202)

CompTIA A+ is the standard starting point for IT careers. It is recognized by the DoD Directive 8140 as baseline qualification for several tech support roles.

  • Two exams required: Core 1 (220-1201) covers mobile devices, networking, hardware, virtualization, and cloud; Core 2 (220-1202) covers operating systems, security, software troubleshooting, and operational procedures.
  • Study time (beginner): 80–120 hours total
  • Best free study resource: Professor Messer (professormesser.com)
  • Practice exams: Jason Dion’s Udemy practice tests; official CertMaster Practice

See the full course on this site: CompTIA A+ Course (220-1201 / 220-1202)

CompTIA Network+ (N10-009)

CompTIA Network+ is the essential networking certification for IT professionals who are not pursuing a Cisco-specific networking career. It covers networking fundamentals applicable across all environments.

  • Topics: Networking concepts, infrastructure, operations, security, network troubleshooting
  • Study time: 60–100 hours (after A+)
  • Best study resource: Professor Messer, CBT Nuggets
  • Recommended before: Security+, any sysadmin role

See the full course on this site: CompTIA Network+ Course (N10-009)

CompTIA Security+ (SY0-701)

CompTIA Security+ has become a near-universal baseline requirement. Even non-security IT roles increasingly list it as required or preferred. It is DoD 8140-approved for Information Assurance Technical (IAT) Level II.

  • Topics: Attacks and threats, architecture, implementation, operations, governance, risk, compliance
  • Study time: 60–90 hours (after Network+)
  • Best study resource: Professor Messer, Darril Gibson’s study guide

See the full course on this site: CompTIA Security+ Course (SY0-701)

CompTIA Linux+ (XK0-005)

CompTIA Linux+ covers Linux administration at a level suitable for sysadmin and cloud engineering roles. Unlike Red Hat’s RHCSA, it is vendor-neutral and covers multiple distributions.

  • Topics: System management, security, scripting and automation, troubleshooting
  • Study time: 60–80 hours (after Security+)
  • Best for: Cloud engineers, sysadmins, DevOps engineers

See the full course on this site: CompTIA Linux+ Course (XK0-005)

CompTIA CySA+ (CS0-003)

CompTIA CySA+ targets security analysts, SOC analysts, and IT professionals taking on security responsibilities. It focuses on threat intelligence, vulnerability management, and behavioral analytics.

  • Topics: Threat intelligence, vulnerability management, incident response, reporting
  • Study time: 60–80 hours (after Security+)
  • DoD 8140: Approved for IAT Level III and CSSP Analyst roles

See the full course on this site: CompTIA CySA+ Course (CS0-003)

CompTIA PenTest+ (PT0-003)

CompTIA PenTest+ covers penetration testing methodology and is positioned between Security+ and the Offensive Security OSCP. It is vendor-neutral and emphasizes both technical and reporting skills.

See the full course on this site: CompTIA PenTest+ Course (PT0-003)

CompTIA SecurityX / CASP+ (CAS-005)

CompTIA SecurityX (formerly CASP+) is the advanced security certification aimed at practitioners rather than managers. It does not expire — CompTIA grandfathered permanent validity for this cert — and is DoD 8140 approved for IAT Level III and IASAE roles.

See the full course on this site: CompTIA SecurityX / CASP+ Course (CAS-005)

A structured progression for an IT professional targeting a security-aware sysadmin or cloud role:

  1. CompTIA A+ — hardware and OS fundamentals
  2. CompTIA Network+ — networking
  3. CompTIA Security+ — security baseline
  4. Branch based on specialization:
    • Sysadmin/Cloud path: Linux+ then cloud certs
    • Security path: CySA+ then consider CISSP
    • Networking path: Cisco CCNA (see Cisco Certifications Guide )

Do not stack certifications too fast without applying skills at work or in a home lab. Certifications without experience have diminishing returns.

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