CompTIA Security+ Certification Guide

What Is CompTIA Security+?

CompTIA Security+ is the most widely held cybersecurity certification worldwide, with over 700,000 holders globally, according to CompTIA’s official certification data.

CompTIA Security+ is a vendor-neutral cybersecurity certification that validates baseline skills in threat assessment, network security, compliance, and incident response. It is maintained by CompTIA, a nonprofit trade association that also produces A+, Network+, and CySA+.

Security+ is globally recognized and appears on the U.S. Department of Defense Directive 8570/8140 approved certifications list, which means it satisfies requirements for certain government and defense contractor cybersecurity roles. This makes it one of the most portable entry-level security certifications available.

Unlike vendor-specific certifications from Cisco, Microsoft, or AWS, Security+ covers concepts that apply regardless of which platforms or tools an employer uses. That vendor-neutral foundation is why it shows up in job postings across industries — from healthcare and finance to government and managed service providers.

Source: CompTIA official certification page at comptia.org and DoD 8570.01-M Information Assurance Workforce Improvement Program (verified March 2026)

Why Does CompTIA Security+ Matter for Career Changers?

According to CyberSeek.org, there are over 750,000 cybersecurity job openings in the United States, and CompTIA Security+ is the most requested cybersecurity certification in job postings, making it the single most impactful credential for career changers entering the field.

If you are changing careers into cybersecurity from a non-IT background, Security+ is the most commonly requested entry-level security certification in U.S. job postings. Here is why it deserves priority:

1. It is the hiring signal employers trust. SOC Analyst, Security Analyst, and Information Security Analyst job postings frequently list Security+ as a required or preferred certification. For career changers without years of IT experience, this credential tells a hiring manager that you understand foundational security concepts well enough to start contributing.

2. It covers the right breadth of topics. Security+ does not make you an expert in any single area. Instead, it gives you working knowledge across threats, architecture, operations, and governance — exactly the breadth a junior security analyst needs on day one.

3. It opens the DoD and government pathway. If you want to work in government cybersecurity or for a defense contractor, Security+ satisfies the IAT Level II and IAM Level I requirements under DoD 8570/8140. Many of these roles are entry-level and actively recruit career changers.

4. It builds on what you already know. If you have completed CompTIA A+ or have some IT support experience, you already understand networking, operating systems, and basic troubleshooting. Security+ builds directly on that foundation.

Should you get A+ first? If you have no IT experience at all, starting with CompTIA A+ is strongly recommended. A+ teaches the hardware, operating system, and networking fundamentals that Security+ assumes you already know. Career changers who skip A+ often struggle with Security+ networking and systems questions.

If A+ made me feel like I could understand computers, Security+ is the one that’s making the career change feel real. Studying threat actors, risk frameworks, and incident response — it’s the first time I’ve looked at a SOC Analyst job description and thought “I actually know what half of these things mean.” After years of delivery driving in Sydney and wondering whether this whole pivot was a fantasy, that shift from aspirational to possible has been genuinely emotional. I’m not there yet, but Security+ is where “maybe I could do this” started turning into “I’m going to do this.”

Current Exam: SY0-701

CompTIA released the SY0-701 exam in November 2023 as the current version of Security+. If you see references to SY0-601, that is the previous version and is no longer available for testing.

Exam Format

Detail	SY0-701
Number of questions	Up to 90
Question types	Multiple choice and performance-based questions (PBQs)
Time allowed	90 minutes
Passing score	750 on a scale of 100–900
Testing provider	Pearson VUE (in-person or online proctored)
Languages	English, Japanese, Portuguese, Spanish

Performance-based questions are simulations where you complete a task in a virtual environment — configuring a firewall rule, analyzing a log, or identifying vulnerabilities in a network diagram. They are harder than multiple choice and worth preparing for specifically.

Exam details source: comptia.org/certifications/security (verified March 2026). CompTIA may update exam format at any time — always verify current details before scheduling.

Exam Domains and Weights

The SY0-701 exam is organized into five domains. The percentage indicates how much of the exam each domain represents:

Domain	Weight	What It Covers
1.0 General Security Concepts	12%	CIA triad, Zero Trust, AAA, gap analysis, security controls, change management
2.0 Threats, Vulnerabilities, and Mitigations	22%	Threat actors, attack surfaces, social engineering, malware, vulnerability types, mitigation techniques
3.0 Security Architecture	18%	Network architecture, cloud security, resilience, data protection, infrastructure concepts
4.0 Security Operations	28%	Monitoring, incident response, digital forensics, vulnerability management, alerting, automation
5.0 Security Program Management and Oversight	20%	Governance, risk management, compliance, audits, security awareness, third-party risk

Key observation for study planning: Security Operations is the largest domain at 28%. This domain covers the day-to-day work of a SOC analyst — monitoring, detecting, and responding to security events. If you are short on study time, this is the domain to prioritize.

Download the exam objectives PDF from comptia.org for free. Print it and use it as a checklist during your study. Every question on the exam maps to a specific objective in that document.

Many Security+ exam concepts connect directly to commands you can practise in a lab. Running these commands helps the theory stick and prepares you for performance-based questions:

# Commands that connect to Security+ exam concepts

# Network security (Domain 3)
netstat -tulnp              # Show listening ports (Linux)
ss -tulnp                   # Modern alternative to netstat
nmap -sV 192.168.1.1        # Service version detection

# Cryptography (Domain 1)
openssl s_client -connect example.com:443   # Inspect TLS certificate
sha256sum file.txt           # Generate file hash for integrity check

# Incident response (Domain 4)
journalctl --since "1 hour ago"  # Check recent system logs (Linux)

Domain weights source: CompTIA Security+ SY0-701 Exam Objectives (verified March 2026)

SY0-701 Domain Overview

📊 Visual Explanation

CompTIA Security+ SY0-701 Exam Domains

Five domains covering the breadth of entry-level security knowledge

General Security Concepts

12%

Security controls

Threat actors

Cryptography basics

Threats, Vulnerabilities & Mitigations

22%

Attack types

Vulnerability scanning

Mitigation techniques

Security Architecture

18%

Network design

Cloud security

Resilience strategies

Security Operations

28%

Monitoring

Incident response

Digital forensics

Security Program Management

20%

Governance

Risk management

Compliance frameworks

Idle

Domain Weight Stack

Security+ SY0-701 Exam Domains by Weight

Security Operations carries the most weight — prioritize it in your study plan

Security Operations

28% — Monitoring, incident response, forensics, automation

Threats, Vulnerabilities & Mitigations

22% — Threat actors, attacks, social engineering, malware

Security Program Management & Oversight

20% — Governance, risk, compliance, audits

Security Architecture

18% — Network design, cloud, resilience, data protection

General Security Concepts

12% — CIA triad, Zero Trust, AAA, controls

Idle

Exam Cost

As of March 2026, a CompTIA Security+ exam voucher costs approximately $404 USD. Costs vary by region and may change without notice. Always verify current pricing at comptia.org before purchasing.

Ways to Reduce Cost

CompTIA Academic Store: Students enrolled in qualifying programs can purchase discounted vouchers (typically 40-50% off).
CompTIA CertMaster bundles: Bundling study materials with a voucher sometimes reduces the total cost compared to buying separately.
Employer reimbursement: Many employers reimburse certification costs after you pass. Ask before paying out of pocket.
Retake bundles: CompTIA offers voucher bundles that include a free retake if you do not pass on the first attempt. These cost more upfront but reduce financial risk.
Professor Messer discount codes: Professor Messer occasionally offers voucher discount codes on his site.

Budget for the full cost: Factor in study materials ($0–100), the exam voucher (~~$404), and a potential retake (~~$404). Worst-case total for a career changer is approximately $900. Best case with free resources and a first-attempt pass is approximately $404.

Pricing subject to change. Verify at comptia.org.

Prerequisites

CompTIA lists no formal prerequisites for Security+. You can register and take the exam without any prior certifications or experience.

However, CompTIA recommends candidates have:

CompTIA Network+ certification or equivalent knowledge
At least two years of IT administration experience with a security focus

For career changers with no IT background, here is what that means in practice:

You do not need two years of experience to pass the exam. But you do need to understand the fundamentals that experience would have taught you. Specifically:

Networking: TCP/IP, DNS, DHCP, ports, protocols, subnetting basics, firewalls, VPNs
Operating systems: Windows and Linux command-line basics, file permissions, user management, services
IT fundamentals: How computers boot, how data moves across a network, what a server does

If those topics feel unfamiliar, start with CompTIA A+ first. The extra 3–5 months of foundational study will make your Security+ preparation significantly easier and faster.

If you have completed A+ or have equivalent knowledge from IT support work, you are ready to start studying for Security+.

Study Timeline for Career Changers

For someone with A+ knowledge or equivalent IT fundamentals, studying 10–15 hours per week:

Period	Focus
Weeks 1–2	Domain 1: General Security Concepts (CIA, Zero Trust, controls, AAA)
Weeks 3–5	Domain 2: Threats, Vulnerabilities, and Mitigations (threat actors, attack types, social engineering, malware)
Weeks 6–8	Domain 3: Security Architecture (network design, cloud, resilience, data protection)
Weeks 9–12	Domain 4: Security Operations (monitoring, incident response, forensics, vulnerability management)
Weeks 13–14	Domain 5: Security Program Management and Oversight (governance, risk, compliance)
Weeks 15–16	Full practice exams, review weak areas, revisit PBQ practice
Week 17–18	Final review and exam

Total: approximately 3.5–4.5 months at 10–15 hours per week. Some career changers finish in 3 months with heavier study schedules. Others take 5 months with lighter schedules. Both are normal.

How to know you are ready: When you consistently score 80% or above on full-length practice exams from two different sources, you are ready to schedule the real exam. Do not rely on a single practice test provider, because different sources test different angles.

Free Study Resources

Video courses (free):

Professor Messer’s CompTIA Security+ SY0-701 course — professormesser.com — comprehensive, free video series covering every exam objective. Widely considered the best free Security+ resource available. Professor Messer also livestreams study groups.
CompTIA’s official exam objectives PDF — free download from comptia.org. Use this as your master checklist to ensure you have covered every objective.

Practice and hands-on (free tier available):

TryHackMe — tryhackme.com — the Pre-Security and Introduction to Cyber Security learning paths cover many Security+ topics with interactive browser-based labs. Free tier available.
CompTIA CertMaster Labs — official hands-on labs (paid, but free trials sometimes available). These simulate the performance-based question format.

Community resources:

r/CompTIA on Reddit — active community of certification candidates sharing study tips, exam experiences, and resource recommendations. Search for “SY0-701” for current discussions.
Professor Messer’s Discord — study community with channels for each CompTIA certification.

Paid Resources Worth Considering

Jason Dion’s CompTIA Security+ SY0-701 course on Udemy — frequently on sale for <$20. Includes practice exams and PBQ simulations. Good complement to Professor Messer’s free videos because Dion explains concepts from a different angle.
Professor Messer’s Security+ practice exams — approximately $35. Three full-length practice exams that closely mirror the real exam format and difficulty. One of the most recommended paid resources in the Security+ community.
Professor Messer’s Security+ course notes — approximately $30. Condensed study notes covering all objectives. Useful for review and quick reference.
CompTIA CertMaster Learn + Labs bundle — official study platform with integrated labs. Most expensive option but the most structured learning path. Check comptia.org for current pricing.
Darril Gibson’s CompTIA Security+ Get Certified Get Ahead study guide — comprehensive textbook with practice questions. Available in print and digital formats.

You do not need all of these. A complete preparation plan can be built from Professor Messer’s free videos plus one set of paid practice exams (either Messer’s or Dion’s). Add hands-on labs if your budget allows, because PBQs on the real exam test practical skills.

Exam Tips

Performance-Based Questions (PBQs)

PBQs appear at the beginning of the exam. They are interactive simulations — you might need to configure a firewall, match threats to mitigations, or analyze network output.

Strategy: Many experienced test-takers recommend flagging PBQs and moving to multiple choice questions first. This lets you build confidence and manage your time before returning to the more time-intensive simulations. However, review CompTIA’s current guidance on this approach, as exam navigation rules can change.

Practice: The best way to prepare for PBQs is hands-on practice with tools and concepts, not just reading about them. Set up a home lab, use TryHackMe, or work through CertMaster Labs.

Scheduling Strategy

Schedule your exam date before you feel 100% ready. Having a fixed date creates urgency and prevents indefinite studying. A good approach:

Set a target date 2–3 weeks after you expect to finish your study plan.
Book the exam at Pearson VUE (pearsonvue.com/comptia).
Choose between in-person testing centers and online proctored exams. In-person is generally recommended for your first certification exam because online proctoring can have technical issues with webcam, microphone, or environment requirements.
If you are not scoring 80%+ on practice exams one week before your date, reschedule. Pearson VUE allows rescheduling with notice.

On Exam Day

Arrive early or log in early for online proctoring.
Read every question completely before looking at the answers.
Eliminate obviously wrong answers first.
Flag questions you are unsure about and return to them.
Do not change answers unless you have a clear reason — your first instinct is usually correct.
Manage your time: 90 questions in 90 minutes means roughly one minute per question, but PBQs take longer, so plan for that.

Retake Policy

If you do not pass on your first attempt, CompTIA’s retake policy requires a waiting period before your second attempt. As of March 2026, the policy allows a second attempt after 14 calendar days. A third or subsequent attempt requires a waiting period of at least 14 calendar days from the previous attempt. CompTIA may update this policy — verify current retake rules at comptia.org before scheduling.

Retake policy source: comptia.org (verified March 2026). Policy subject to change.

Security+ is the certification most employers ask for. I used this tracker to break the five domains into weekly targets — it made a massive exam feel manageable.

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Step-by-step roadmap with study tracker worksheets and certification decision framework.

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What Comes After Security+

Security+ is a starting point, not an end point. Once you pass, these are the most common next steps:

Certifications

Certification	Focus	When to pursue
CompTIA CySA+	Security analytics and SOC operations	After 1–2 years in a security role; deepens the blue team skills from Security+
CompTIA PenTest+	Penetration testing and vulnerability assessment	If you want to move toward offensive security and red team work
CompTIA CASP+	Advanced security architecture and engineering	After 5+ years of experience; replaces CISSP for some government roles
CISSP	Broad security management and architecture	After 5 years of experience; more management-focused than technical
Cloud certifications (AWS, Azure, GCP)	Cloud security	As cloud skills become essential for most security roles

Security+ vs CySA+

Security+ (SY0-701)

Broad security fundamentals — Threats, architecture, operations, governance
Entry-level target — SOC Analyst, Security Analyst roles
Conceptual focus — Know the concepts and frameworks
DoD 8140 compliant — Meets US government security requirements

CySA+ (CS0-003)

Threat detection and analysis — SIEM, behavioural analytics, indicators
Intermediate target — SOC Analyst Tier 2, Threat Analyst
Hands-on analytical focus — Analyse logs, triage alerts, investigate
SOC-aligned — Directly maps to daily SOC operations

Verdict: Security+ first — it is the prerequisite knowledge. CySA+ after you have some hands-on experience or lab practice with SIEM tools.

Use case

Get Security+ to enter the field. Get CySA+ after 6-12 months of SOC experience or intensive lab practice.

Career Moves

With Security+ and some hands-on experience (home labs, internships, or IT support), you are competitive for roles including:

SOC Analyst (Tier 1)
Junior Security Analyst
Information Security Analyst
IT Security Specialist
Systems Administrator (security-focused)
Help Desk / IT Support (with security responsibilities)

Salary ranges vary significantly by location, employer, and experience. Entry-level security roles in the United States typically range from $50,000 to $75,000 annually, though this varies widely by market. Government and defense contractor roles often have published pay scales (GS pay grades).

Salary data is approximate and varies by location, employer, and experience. Individual results vary. Always research current market rates for your specific region.

Certification Renewal

CompTIA Security+ is valid for three years from the date you pass the exam. To renew, you must earn Continuing Education (CE) credits during that three-year period.

Options for earning CE credits include:

Completing higher-level CompTIA certifications (automatically renews lower ones)
Attending industry events and training
Publishing articles or teaching
Completing approved online courses

CompTIA charges an annual CE fee (approximately $50/year as of March 2026). Verify current renewal requirements and fees at comptia.org.

Letting your certification lapse means you would need to retake the current exam to regain the credential.

Exam objectives, pricing, retake policies, and renewal requirements are subject to change. Always verify current information directly at comptia.org before purchasing exam vouchers or making study decisions.

Individual results vary based on location, experience, market conditions, and effort invested. This guide provides general guidance and does not guarantee employment outcomes.

Technical content verified in March 2026 against CompTIA Security+ SY0-701 official exam objectives, CompTIA certification policies, and DoD 8570.01-M/8140 approved certification lists.

Frequently Asked Questions

Is CompTIA Security+ harder than A+?

Yes, Security+ is a step up from A+. It covers more abstract concepts like risk management, governance, and threat modeling, and assumes you already understand networking and operating system fundamentals. Most career changers find it takes 3-5 months of focused study after completing A+.

Do I need CompTIA A+ before Security+?

CompTIA has no formal prerequisites for Security+, so you can take it without A+. However, if you have no IT experience, starting with A+ is strongly recommended. A+ teaches the hardware, networking, and OS fundamentals that Security+ assumes you already know.

What jobs can I get with CompTIA Security+?

Security+ qualifies you for roles including SOC Analyst (Tier 1), Junior Security Analyst, Information Security Analyst, IT Security Specialist, and security-focused systems administrator positions. Entry-level security salaries in the U.S. typically range from $50,000 to $75,000, varying by location and employer.

How long does it take to study for Security+?

With A+ knowledge or equivalent IT fundamentals and studying 10-15 hours per week, plan for 3.5 to 4.5 months. Career changers without foundational knowledge should add 3-5 months for A+ preparation first.

Is CompTIA Security+ enough for a cybersecurity job?

Security+ alone can get you interviews for entry-level security roles, especially government and defense contractor positions where it satisfies DoD 8570/8140 requirements. Combining Security+ with hands-on experience from home labs or TryHackMe makes you significantly more competitive.

How much does the Security+ exam cost?

As of March 2026, the Security+ SY0-701 exam voucher costs approximately $404 USD. Students may qualify for academic discounts of 40-50% off. Budget up to $900 worst case if you include study materials and a potential retake.

What is the passing score for Security+?

The Security+ SY0-701 exam requires a score of 750 on a scale of 100-900. The exam has up to 90 questions including multiple choice and performance-based questions, with a 90-minute time limit.

Does Security+ satisfy DoD 8570 requirements?

Yes, Security+ appears on the DoD 8570.01-M and 8140 approved certifications list. It satisfies IAT Level II and IAM Level I requirements, making it valid for many government and defense contractor cybersecurity positions.

What should I study after passing Security+?

The most common next certifications are CompTIA CySA+ for SOC and blue team work, CompTIA PenTest+ for offensive security, or cloud certifications (AWS, Azure) for cloud security roles. Most career changers benefit from gaining 1-2 years of work experience before pursuing advanced certifications.

How long is Security+ valid?

Security+ is valid for three years from the date you pass. You must earn Continuing Education (CE) credits to renew, or pass a higher-level certification like CySA+ which automatically renews Security+. CompTIA charges an annual CE fee of approximately $50 per year.

More resources

CompTIA Security+ Exam Objectives

Free PDF of SY0-701 exam objectives — the definitive study guide.

Visit Professor Messer Security+

Free SY0-701 training videos covering all six exam domains.

Visit NIST Cybersecurity Framework

The national standard for managing cybersecurity risk — referenced in Security+ exam.

Visit