CompTIA Security+ Study Guide for Beginners: What to Know Before You Start

CompTIA Security+ is the most recognized entry-level cybersecurity certification in the world. It’s vendor-neutral, DoD 8570 compliant, and listed as a requirement or preference on thousands of job postings every month.

If you’re serious about breaking into cybersecurity, Security+ is your first major milestone. This guide covers everything a beginner needs to know before starting to study.

What Does Security+ Test?

The current version of Security+ (SY0-701, released 2023) covers six domains:

DomainWeight
General Security Concepts12%
Threats, Vulnerabilities & Mitigations22%
Security Architecture18%
Security Operations28%
Security Program Management & Oversight20%

The exam has up to 90 questions, including multiple-choice and performance-based questions (PBQs) — drag-and-drop, fill-in-the-blank, and simulation tasks. You have 90 minutes to complete it.

Passing score: 750 out of 900.

Do You Need Experience Before Security+?

Officially, CompTIA recommends two years of IT experience before taking Security+. In practice, many beginners pass it without that.

What actually helps:

  • Basic networking knowledge (TCP/IP, DNS, common ports)
  • Familiarity with Windows and Linux
  • A few months of dedicated study

If you have zero IT background, consider working through CompTIA A+ or Network+ first. If you have some general tech knowledge, jumping straight to Security+ is realistic.

How Long Does It Take to Study?

Most beginners report needing 60–120 hours of study time, which translates to:

  • 2–3 months studying 1–2 hours/day
  • 4–6 weeks if you can put in 3+ hours/day consistently

The key word is consistently. Cramming doesn’t work well for Security+ — the content needs time to settle.

The Best Study Resources for Beginners

Here’s a mix of free and paid options that actually work:

Free

  • Professor Messer’s SY0-701 Course (professormesser.com) — the gold standard free resource; comprehensive video series covering every exam objective
  • ExamCompass — free practice questions organized by domain
  • TryHackMe — hands-on labs to build the practical intuition Security+ tests
  • CompTIA’s Official Study Guide — authoritative, but dense; best used as a reference alongside video content
  • Jason Dion’s Udemy Course — well-structured, exam-focused, and frequently on sale for under $20
  • Mike Chapple’s Study Guide (Sybex) — popular with readers who prefer books

Also helpful

  • The Beginner Launch Kit on TeeSec includes a 30-Day Study Plan and a Beginner Cybersecurity Quiz mapped to Security+ topics — both are inside the $19.99 kit at teesec.bywillo.ai/kit

A Realistic Study Schedule

Here’s a 12-week plan that works for most beginners:

Weeks 1–3: Domains 1 & 2 — General Security Concepts + Threats & Vulnerabilities Weeks 4–6: Domains 3 & 4 — Security Architecture + Security Operations Weeks 7–8: Domains 5 & 6 — Program Management & Oversight Weeks 9–10: Full review — revisit weak areas, flashcards, and concept drilling Weeks 11–12: Practice exams — aim for 85%+ before you book the real exam

Don’t move on from a domain until you can explain its key concepts out loud without notes. Teaching it (even to yourself) is one of the best retention techniques.

Performance-Based Questions: The Part Beginners Fear

PBQs are the questions that trip up unprepared candidates. They require you to do something — configure a firewall, identify a vulnerability in a diagram, match attack types to descriptions.

How to handle them:

  • Don’t spend more than 3–4 minutes on a single PBQ — mark it and come back
  • Hands-on lab practice (TryHackMe, home lab) is the best preparation
  • Read every question twice — PBQs often have more context than you need

What to Do the Week Before the Exam

  • Take 2–3 full practice exams under timed conditions — 90 questions, 90 minutes
  • Review wrong answers and trace why you got them wrong (knowledge gap vs. reading error)
  • Stop heavy studying 24–48 hours before — your brain needs rest, not more input
  • Sleep well — seriously, fatigue tanks performance more than any knowledge gap

How Much Does Security+ Cost?

The exam voucher costs $404 USD as of 2026. Ways to reduce the cost:

  • CompTIA discounts — check their site for promotional pricing
  • Employer reimbursement — many IT employers reimburse exam costs; ask before paying out of pocket
  • Student discounts — CompTIA offers reduced pricing through academic programs
  • Exam retake bundle — CompTIA’s CertMaster Learn bundles include a retake voucher if you need it

After You Pass: What’s Next?

Security+ opens doors — but it’s a starting point, not a destination. After passing, your roadmap typically looks like:

  1. Apply for Tier 1 SOC Analyst roles — Security+ is the minimum bar for most listings
  2. Build a portfolio — document 2–3 home lab projects on GitHub or a simple portfolio site
  3. Consider your next cert — CompTIA CySA+ (blue team) or eJPT (red team) depending on your path

Want everything organized in one place? The TeeSec Beginner Launch Kit includes a 30-Day Study Plan, Beginner Quiz, AI Study Prompts, and a Career Roadmap — all designed around the Security+ journey. Get it for $19.99 →