CompTIA Security+: the honest guide
Security+ is the certification that gets a security-adjacent job description to stop filtering you out. It is not a deep technical credential and it does not claim to be. What it does is prove you know the vocabulary, the control categories, and the reasoning well enough to be useful on day one, and it does that in a form HR systems and government contracts recognise.
The exam is 90 questions in 90 minutes, scored 100 to 900 with 750 to pass. Some of those questions are performance-based, which means a simulated console or configuration screen rather than four options. Those are where candidates who studied from memorised answers come apart.
Who Security+ is for
A good fit if
- You are in IT support, networking, or systems work and want to move toward security.
- You need a DoD 8140 IAT Level II credential for a role or a contract.
- You are early in a security career and need one credential that a recruiter recognises without explanation.
- You already do security work informally and need the paperwork to match.
Probably not, if
- You have no IT background at all. Security+ assumes networking fluency it does not teach. Start with Network+ material, even if you skip that exam.
- You already hold a security role and several years of experience. Security+ will teach you little; CySA+ or CISSP is the better spend.
- You want hands-on offensive skills. This is a defensive, conceptual exam. eJPT or PenTest+ is what you are looking for.
Is Security+ worth it?
For someone moving into security from an adjacent IT role, yes, clearly. Security+ appears by name in a large share of entry and mid-level security job postings, and its DoD 8140 approval makes it a hard requirement for a whole category of government and contractor work. There is no other certification at this price with that reach.
For someone already working in security with a few years behind them, the honest answer is that it is worth having rather than worth studying for. You will pass it comfortably, it will tick a box, and you will learn very little. If nothing is forcing you, put the $425 toward CySA+ instead.
For someone with no IT experience hoping it will produce a job on its own, no. Security+ opens doors for people already in the building. It is a poor first certification and a very good second or third one.
What the exam actually asks you to do
Multiple choice, multiple response, and performance-based questions. The performance-based items drop you into a simulated console, network diagram, or configuration screen and score what you actually do.
- Multiple choice
- Multiple response
- Performance-based
The highlighted formats are the ones you cannot answer from memory alone. CompTIA, Security+ exam details ↗
Domain breakdown and official weightings
From the official CompTIA exam objectives. Security Operations is the heaviest domain at 28 percent, followed by Threats, Vulnerabilities, and Mitigations at 22 percent.
- General Security Concepts12%
- Threats, Vulnerabilities, and Mitigations22%
- Security Architecture18%
- Security Operations28%
- Security Program Management and Oversight20%
Where to focus: Security Operations is the heaviest domain at 28 percent. Give it proportionally more study time than the others.
Study plans by experience level
Coming from an IT role, comfortable with networking
4 to 6 weeks at 8 to 10 hours
- 1Week 1: read the objectives PDF end to end, marking every line you could not explain to a colleague. That list is your syllabus, not the whole document.
- 2Weeks 2 to 3: work Security Operations and Threats, Vulnerabilities and Mitigations first. They are 50 percent of the exam between them.
- 3Week 4: cover the remaining three domains, which are lighter and more conceptual.
- 4Week 5: performance-based practice. Sequencing, matching, and log analysis, until the format is unremarkable.
- 5Week 6: timed full-length mocks. Book the real exam when you are consistently at or above 85 percent, not before.
New to security, solid general IT
8 to 12 weeks at 6 to 8 hours
- 1Weeks 1 to 2: fill the networking gap first. Ports, protocols, segmentation, and how traffic actually moves. Security+ assumes all of it.
- 2Weeks 3 to 6: one domain at a time, heaviest first, with practice questions after each rather than at the end.
- 3Weeks 7 to 9: cryptography and risk management, which are the two areas where conceptual study genuinely beats hands-on experience.
- 4Week 10: performance-based questions, twice a week until the interaction stops being the difficult part.
- 5Weeks 11 to 12: full mocks under time. Track accuracy by domain and drill the weakest one between attempts.
Already doing security work, need the credential
2 to 3 weeks at 5 hours
- 1Read the objectives PDF and mark only what you do not already know. For most working practitioners this is a short list dominated by governance and compliance terminology.
- 2Study the marked items and nothing else. Resist re-reading material you already use daily.
- 3Take a full timed mock at the end of week one to find out where confidence and knowledge have diverged.
- 4Spend week two on whatever that mock exposed, then book it.
Common mistakes
Studying the domains in the order they are numbered
The objectives are numbered 1 to 5 and weighted 12, 22, 18, 28, 20. Studying in order means starting with the lightest domain while you are freshest. Start with Security Operations at 28 percent.
Skipping the performance-based questions until the end
They carry more weight than a multiple choice item and they are a different skill. Candidates who leave them for the last week meet the format for the first time under exam pressure.
Treating memorised answers as preparation
Dump sites recycle questions from previous exam versions and cannot represent the performance-based items at all. Using them also breaches the candidate agreement you sign before the exam, which can cost you the certification.
Booking the exam to create pressure
Paying $425 in advance to motivate yourself works right up until the day arrives and you are not ready. Book when your mock scores say you are ready. The deadline you need is a study schedule, not a receipt.
Ignoring the score report after a failure
CompTIA gives you a domain-level breakdown. It is the most specific study guidance you will ever get for this exam, and rebooking immediately without reading it is how people fail twice.
What comes after passing
Security+ is valid for three years and renews with 50 continuing education units plus CompTIA's continuing education fee. If you go on to any higher certification, that alone can cover the CEU requirement, so the renewal costs nothing extra.
The natural next steps split by direction. CySA+ if you want detection and response work, and it is the closest thing to a direct sequel. PenTest+ or eJPT if you want offensive work. CISSP if you are heading toward management, though it wants five years of experience before it will certify you.
The credential also unlocks a category of job you could not previously apply for: DoD 8140 IAT Level II roles have Security+ as a hard requirement, and those postings are worth searching specifically once you hold it.
Where people go next
Costs across the full renewal cycle are on the Security+ cost page.
Frequently asked questions
How long does it take to study for Security+?
Four to six weeks at 8 to 10 hours a week if you already work in IT and are comfortable with networking. Eight to twelve weeks if security is new to you. Two to three weeks if you already do the work and need the paperwork.
Is Security+ hard?
It is broad rather than deep. The difficulty is the volume of terminology across five domains and the performance-based questions, which need practice rather than recall. Candidates with networking experience generally find it fair.
Can I pass Security+ without IT experience?
People do, but they study considerably longer and they usually struggle in the workplace afterwards, because the certification assumes context it does not teach. Learning networking fundamentals first makes both the exam and the job that follows easier.
Is Security+ worth it in 2026?
For anyone moving into security from an adjacent IT role, yes. It remains one of the most frequently named certifications in entry and mid-level security job postings, and its DoD 8140 approval keeps it mandatory for a whole category of roles.
What score do I need to pass Security+?
750 on a scale of 100 to 900. That is roughly 83 percent weighted, though performance-based questions carry more weight than multiple choice, so the raw question count and the scaled score do not map cleanly.
Should I take Network+ before Security+?
It is not a formal prerequisite, but Security+ assumes networking fluency. If ports, protocols, and segmentation are unfamiliar, studying Network+ material makes Security+ substantially easier even if you never sit that exam.
Keep reading
Security+ practice questions
Free sample questions with the full explanation on every answer.
What Security+ costs
The voucher price, the retake, and what renewal costs across the cycle.
Security+ vs CISSP
Side by side on cost, difficulty, and which one to take first.
Practise Security+ for free while you decide
Original questions written from the published objectives, with the concept, the reasoning, and a note on every wrong option. No account needed to start.
Start free Security+ questions