CompTIA Security+

CompTIA Security+ certification: History of the exam

Learn the history of the Security+ certification and how it has evolved to the latest version of the Security+ exam.

CompTIA and DoD requirements in 2025: Understanding 8140 vs. 8570

See how DoD 8140 maps to Security+ and other CompTIA certifications and how 8140 is different from DoD 8570.

CompTIA Security+ continuing education and renewal requirements

Learn about earning CompTIA Security+ continuing education units (CEUs) and how to renew your Security+ certification.

Security+: Implementing public key infrastructure

Implementation of public key infrastructure is critical to your organization's security. Learn all about the components of PKI and how it relates to the Security+

Security+: Risk management processes and concepts

It's important to understand what goes into risk management — for all cybersecurity professionals and for those taking the CompTIA Security+ exam.

Security+: Security implications of embedded systems

Today’s devices are often “smart,” providing an extra security conundrum and a unique set of challenges when trying to stay secure.

Security+: Business impact analysis concepts

Learn about the concepts of a business impact analysis (BIA), its uses in cybersecurity and organizational risk, and more.

Security+: Differentiating common account management practices

Security+ professionals must be able to ensure safe account management practices and enforce policies to bolster them.

Security+: 11 malware types and identifying indicators of compromise

How do cybersecurity professionals discover malware on their systems? Learn about indicators for compromise (IOCs) for different malware types.

Comprehensive guide to CompTIA Security+ domains (2025)

Master the Security+ domains for the 2024 exam with our in-depth guide. Learn about each domain's focus areas, key concepts, and preparation tips.