Security+ Study Guide

If you’re preparing for the CompTIA Security+ exam, you’re likely serious about launching or leveling up your career in cybersecurity. But passing this globally recognized certification requires more than just a few casual review sessions. It takes focused, practical preparation grounded in the right strategy.

 

Why Get Security+ Certified?

A CompTIA Security+ cert isn’t just nice to have; it’s often the minimum baseline for launching a successful IT or cybersecurity career. This globally recognized certification is the industry’s preferred entry point into cybersecurity, proving you have the practical skills needed to secure systems, identify threats, and manage risk. Earning this credential signals to employers that you’re serious about cybersecurity and ready to tackle real-world challenges. From private enterprises to federal agencies, organizations everywhere trust Security+ as a benchmark for hiring capable IT professionals.

Necessary For Government And Defense Roles

If you’re eyeing roles in government, defense contracting, or the military, Security+ is mandatory. This certification fulfills the Department of Defense (DoD) 8570/8140 baseline requirement, qualifying you for roles like Information Assurance Technician Level II. That means if you want to work on U.S. government networks or with DoD-affiliated contractors, you must have Security+ or an equivalent certification. Dion Training is an official CompTIA Platinum Partner, and our Security Plus certification resources are trusted by students headed into both private and public sector roles. We want to ensure you’re not only prepared for the exam but ready to hit the ground running in high-stakes environments.

Higher Salaries And Stronger Career Trajectories

Security+ can potentially boost your earning potential from the start. Certified professionals frequently earn several thousand dollars more annually than their uncertified counterparts in similar roles. Whether you’re applying for positions like IT Support Specialist, Help Desk Technician, Systems Administrator, or even a Junior Security Analyst, Security+ gives you a competitive edge in salary negotiations and promotions.

A Career Asset That Grows With You

What makes Security+ truly strategic is its ability to scale with your career. It lays a solid foundation in risk management, incident response, governance, and network security—all skills you’ll build upon as you pursue more advanced roles and certifications, such as CySA+ or CASP+. And with CompTIA certifications recognized across more than 147 countries, you’re never geographically limited. Security+ is a credential that proves you’re serious, ready, and capable—no matter where your tech journey takes you.

A Man Reviewing A Security+ Study Guide On His Computer

Essential Cybersecurity Concepts

Before you crack open that CompTIA Security+ study guide, it’s essential to lock in the foundational principles of cybersecurity. Nail these fundamentals, and the rest of the exam content starts falling into place.

  1. CIA Triad: The backbone of cybersecurity strategy is the CIA Triad: Confidentiality, Integrity, and Availability. Confidentiality ensures sensitive data stays private—only authorized users can access it. Integrity protects data from unauthorized changes, keeping it accurate and trustworthy. Availability guarantees that systems and services remain accessible when needed. Expect this to show up in multiple exam domains.
  2. Threats, Vulnerabilities, and Risks: This trio forms the basis of risk management. Threats are potential events or actors that can cause harm. Vulnerabilities are weaknesses in your systems, and risk is the likelihood that a threat will exploit a vulnerability. The Security+ exam regularly tests your ability to assess and mitigate these interrelated elements.
  3. Authentication and Authorization: These two often go hand-in-hand but serve different purposes. Authentication verifies who you are, using passwords, smart cards, or biometrics. Authorization controls what you’re allowed to access once authenticated. You’ll need to identify the tools and protocols that support each in various scenarios.
  4. Security Controls: Understanding the categories of security controls is key. Preventive controls aim to block threats before they cause harm, detective controls identify incidents in progress, and corrective controls mitigate damage and restore systems. Be ready to recognize real-world examples of each like firewalls (preventive), IDS tools (detective), and backups (corrective).
  5. Attack Types: Phishing, malware, SQL injection, denial-of-service (DoS)—you’ll need to know how these attacks work, what systems they target, and how to defend against them. Security+ covers a wide range of threats, so it’s worth reviewing not just definitions but also tactics for detection and response.

Solidifying these core concepts will give you a tactical edge and build the foundation for more advanced topics ahead. Stay focused on the fundamentals, and don’t be afraid to drill them until they’re automatic. The payoff is worth it.

If you want structured guidance across all these topics, our Security+ (SY0-701) Complete Course is a powerful Security Plus study guide. It includes expert-led videos, hands-on labs, and 600+ practice questions designed to reinforce these core concepts and get you exam-ready.

Exam Overview And Objectives

The CompTIA Security+ certification exam is designed to validate your core cybersecurity skills and ensure you're ready for the real-world demands of IT security roles. It’s a practical, performance-based assessment that mirrors what employers expect you to know and do on the job.

Format And Structure

You’ll tackle up to 90 questions across a 90-minute test window. Expect a mix of multiple-choice and performance-based items designed to assess both knowledge and hands-on ability. The passing score is 750 on a scale of 100–900. This format puts pressure on your time management and decision-making under stress, exactly the kind of scenario Security+ prepares you for.

Key Objectives You Need To Master

Security+ (SY0-701) covers six high-impact domains you’ll encounter regularly in cybersecurity roles:

  • Threats, Attacks, and Vulnerabilities: Learn to recognize various threat types, analyze indicators of compromise, and respond appropriately in different scenarios.
  • Architecture and Design: Master secure network and system design principles that protect environments against evolving cyber threats.
  • Implementation: Get hands-on with deploying security solutions for identity, access management, hybrid networks, and cloud infrastructures.
  • Operations and Incident Response: Sharpen your skills in log analysis, digital forensics, and responding to real-time incidents.
  • Governance, Risk, and Compliance: Understand regulatory standards, risk frameworks, and the legal implications of cybersecurity practices.
  • Cryptography and PKI: Apply encryption techniques and public key infrastructure (PKI) to protect data in motion and at rest.

What sets Security+ apart is how tightly aligned the exam is with practical job tasks. These objectives aren’t theoretical. They’re drawn from the core responsibilities of IT professionals across security, support, and network operations.

To prepare effectively, you’ll want a CompTIA Security+ study guide that directly aligns with these goals. Dion Training offers dedicated CompTIA courses that break down each domain in a way that’s easy to understand and retain. If you're looking to practice real-world skills, our CompTIA labs provide hands-on training so you're not just memorizing terms—you’re applying them. And if you’re ready to explore the full range of offerings, from Security+ to advanced credentials, our IT training courses can guide your entire certification journey.

Remember, Security+ proves that you're not only capable of understanding security concepts, but also of putting them into action. And that’s exactly what employers are hiring for.

Tips For Passing The Security+ Exam

Passing the CompTIA Security+ exam on your first go requires a smart, focused approach that builds real-world understanding and test-day confidence. Whether you’re just starting out or brushing up your skills, these proven strategies will help you study smarter and stay motivated through every phase of your preparation.

  1. Master the Exam Objectives: Start by downloading the official exam objectives directly from CompTIA. These are your roadmap—every question you’ll see on the test traces back to these outlined topics. Use them as a checklist throughout your study journey. Focus your time on what matters most, and don’t get sidetracked with topics that aren’t exam-relevant.
  2. Break Your Study Sessions Into Manageable Chunks: Cramming doesn’t cut it. Instead, study in focused 25–30 minute sprints with short breaks in between. This technique, known as the Pomodoro method, helps boost retention and keeps your brain fresh, especially when covering dense material like cryptography or network protocols.
  3. Use A Variety Of Study Resources: The best prep is well-rounded. Dion Training’s CompTIA Security+ (SY0-701) Complete Course, Labs, & Practice Exams is built to hit every learning style—video, hands-on, practice exams, and downloadable resources. But don’t stop there: Layer in flashcards, podcasts, or our YouTube videos to reinforce tough concepts from different angles.
  4. Practice With Realistic Exam Questions: Nothing beats exam-day nerves like practice. Work through timed, scenario-based questions that mimic the real thing. Dion Training’s course includes over 600 practice questions to sharpen your decision-making and uncover knowledge gaps. Review both right and wrong answers—every mistake is a chance to improve.
  5. Focus on Terminology and Acronyms: Security+ is heavy on language. Protocols, ports, and acronyms matter. Flashcards can help you quickly memorize key differences like IPS vs. IDS or AES vs. DES and recognize them in tricky exam questions. Get fluent in security terminology; it pays off both on the test and on the job.
  6. Apply Concepts to Real-Life Scenarios: What would you do if a user fell for a phishing scam? Why choose multifactor authentication? Dion Training ensures that our lessons tie into real-world context, so you’re not just answering questions; you’re preparing for the field.
  7. Rest and Recharge: Don’t underestimate the power of rest. Take mental breaks, eat well, and keep your sleep schedule consistent. You retain more when your brain is refreshed and focused, not overloaded.
  8. Leverage The Dion Training Community: Join Dion Training’s active community of learners on Facebook and Discord, where thousands of students swap tips, motivation, and success stories. Stuck on a tough topic? Someone else has probably been there, and they’re ready to help.
  9. Trust Our 60-Day Pass Guarantee: We stand by our study tools. Enroll in our complete Security+ course and enjoy our 60-Day Pass Guarantee. If you don’t pass on your first attempt, we will pay for your retake. That’s peace of mind you won’t find with just any training provider.

With a smart strategy, the right resources, and support from a proven community, you’re not just prepping to pass. You’re building long-term cybersecurity skills that translate directly to job success.

Read Also:

Frequently Asked Questions

Can I retake the Security+ exam if I fail?

You can retake the Security+ exam if you don’t pass on your first try. CompTIA doesn’t require a waiting period between your first and second attempts. However, if you need to take the exam a third time or more, you must wait at least 14 calendar days between each subsequent attempt.

If you choose Dion Training as your primary study resource, our 60-Day Pass Guarantee has your back. If you don’t pass within 60 days of enrolling in our course, you can get a refund or a free retake voucher. 

Alternatively, you can purchase our Take 2 option at checkout when purchasing a voucher. If you don’t pass on your first try, you’ll have the opportunity to retake the exam within six months, without paying full price for a new exam voucher. It’s an added layer of savings and support on your certification journey. 

How do I schedule a Security+ exam?

Scheduling is straightforward. You’ll book your exam through Pearson VUE, CompTIA’s official testing provider. Choose between an in-person testing center or an online proctored exam via the OnVUE platform—whichever suits your schedule best. Create a Pearson VUE account, select the Security+ (SY0-701) exam, pick your date and time, and you’re set.

Do I need to renew my Security+ certification?

Yes, your Security+ certification is valid for three years from the date you pass the exam. To keep it active, you must renew it before it expires. Renewal options include completing Continuing Education Units (CEUs), passing a recertification exam, or earning a higher-level CompTIA certification.

What updates were made to the latest version of Security+?

The latest Security+ (SY0-701) exam, launched in November 2023, emphasizes today's most pressing cybersecurity topics. It includes enhanced coverage of cloud security, mobile device protection, ransomware threats, and the zero trust model. Additionally, the exam focuses on automation, risk management, and updated security policies to reflect the evolving cybersecurity landscape.

Can the Security+ certification be used as a college credit?

Yes, many colleges and universities in the U.S. recognize the Security+ certification for college credit, particularly as elective credits in IT or cybersecurity degree programs. Check with your institution's admissions or registrar’s office to determine eligibility and credit allocation.

What career opportunities do I have after passing Security+?

Earning the Security+ certification qualifies you for a range of roles in the cybersecurity and IT fields. Common career paths include Security Analyst, Systems Administrator, Network Administrator, and IT Support Specialist. These positions provide foundational experience and can lead to more advanced roles as you gain further certifications and experience.