Cryptography and PKI for CompTIA Security+
PKI and cryptography aren’t optional—they’re core Security+ exam domains that employers actively test in interviews and on the job. This 1h 53m course strips away the theory overload and focuses on what actually matters: certificate chains, key management, and encryption protocols you’ll defend in real environments. You’ll move from confused to confident on exam day.
AIU.ac Verdict: Ideal for Security+ candidates who need exam-focused depth without 8-hour rabbit holes, and junior security engineers bridging theory to practice. The tight runtime means you’ll finish fast, though you’ll want supplementary labs if you’re starting from zero cryptography knowledge.
What This Course Covers
You’ll work through symmetric and asymmetric encryption, digital signatures, and certificate authorities—the exact topics CompTIA tests. Christopher Rees walks you through real PKI workflows: how certificates are issued, revoked, and validated in enterprise environments. Expect practical scenarios on key escrow, certificate pinning, and common PKI failures that show up in both exams and incident reports.
The course emphasises hands-on application through Pluralsight’s sandbox labs, letting you interact with certificate stores, validate chains, and troubleshoot PKI misconfigurations. You’ll understand why organisations choose specific algorithms, how to spot weak implementations, and how PKI underpins everything from HTTPS to code signing—knowledge that transfers immediately to your Security+ exam and first security role.
Who Is This Course For?
Ideal for:
- CompTIA Security+ candidates: Exam-focused content covering cryptography and PKI domains with efficient pacing—perfect for test prep in your final weeks.
- Junior security engineers: Practical grounding in certificate management and encryption protocols you’ll encounter in SOC or infrastructure roles.
- IT professionals pivoting to security: Clear explanations of PKI concepts without assuming prior cryptography background; bridges networking/sysadmin knowledge to security fundamentals.
May not suit:
- Cryptography researchers: This is exam and practitioner-focused, not a deep mathematical dive into elliptic curves or post-quantum algorithms.
- Absolute beginners without IT foundation: Assumes comfort with networking basics (certificates, HTTPS) and general security concepts; you’ll struggle without prior IT context.
Frequently Asked Questions
How long does Cryptography and PKI for CompTIA Security+ take?
1 hour 53 minutes of video instruction. Plan 2–3 hours total if you work through the hands-on labs and review notes.
Will this course alone pass me on Security+?
No. This covers cryptography and PKI in depth, but Security+ has six domains. Use this alongside other resources or a full exam prep course for complete coverage.
Do I need prior cryptography knowledge?
No. Christopher Rees assumes you understand basic networking and security concepts, but explains cryptographic principles from the ground up.
Are there hands-on labs included?
Yes. Pluralsight’s sandbox labs let you work with certificates, key stores, and PKI tools in a safe environment—no local setup required.
Course by Christopher Rees on Pluralsight. Duration: 1h 53m. Last verified by AIU.ac: March 2026.
