CompTIA A+ · Core 1 · 220-1201
01
Corydon Security
Browse imprintRun by former CISOs and red-team leads. Every title is reviewed against current threat intel and tested in a working lab environment.
Corydon Publications is the home of authoritative books in Information Technology, Cybersecurity, AI, and certification — written by working professionals, edited for clarity, and trusted by learners in 120+ countries.
Why buy one title when you can have them all? A single Corydon subscription unlocks every study guide, every cheat sheet, and every new release the day it ships — plus the CertLabz e-reader with highlights, notes, flashcards, and browser labs that run your code inline. Start with a 5-day free trial. No card charged today, cancel any time.
Handpicked by our editorial board. Updated monthly with the titles our readers can't put down.
Every cover represents a working practitioner who decided to write down what they know. The stack keeps growing — and so does the audience.
Each imprint runs as its own editorial team with its own opinions about what makes a great book.
From entry-level certification prep to deep technical references, every Corydon title is curated for working professionals and learners who want results.
Offensive and defensive security, GRC, SOC operations.
Practical ML, LLMs, MLOps, and applied data science.
AWS, Azure, GCP, Kubernetes, and platform engineering.
CompTIA, Cisco, ISC2, PMP — exam-aligned study guides.
We pair working experts with sharp editors so every chapter earns its place.
Every author is a working professional — CISOs, principal engineers, instructors — who teaches what they actually do.
Three-pass technical review, hands-on labs, and exam-aligned outlines. We test everything against real environments.
Print and digital editions in 120+ countries, with localized editions in Spanish, German, and French.
Switch between our specialist imprints to see what each one's known for.
From SOC fundamentals to nation-state threat hunting, our security imprint is built around working CISOs, incident responders, and penetration testers.
Production ML systems, LLM application architecture, MLOps pipelines, and applied data science — by engineers who ship to millions of users a day.
AWS, Azure, GCP, Kubernetes, Terraform, and the day-to-day of running production. Books for the people on call when it matters.
CompTIA, Cisco, ISC2, AWS, GCP, PMP. Every guide is mapped to the latest exam objectives and reviewed by candidates who passed in the last 90 days.
Every Corydon title starts as a one-page outline from someone doing the work in production. Editors scope it down to the chapters that actually matter.
Every code sample, command, and lab is built in a real environment as the chapter is written. If it doesn't run, it doesn't ship.
Technical review, editorial review, and a fresh-eyes reader-experience review, each done independently. If they disagree, we re-draft.
Global print partners across three continents. Every reader gets a year of free digital revisions and a free errata pack.
Watch the line draw as you scroll — five milestones we'll ship in 2026.
Pick the format that fits your day. Switch any time.
Smyth-sewn binding, lay-flat spreads, archival paper. Shipped from regional printers worldwide.
EPUB & PDF with quarterly updates baked in. Sync across devices, highlight, annotate.
Browser-based sandboxes for every hands-on chapter. Spin up, learn, tear down. No setup.
Every title moves through the same four-step pipeline. No shortcuts.
Working practitioners pitch a topic. Editors scope a tight outline.
Authors write alongside live labs and tested code samples.
Technical, editorial, and reader-experience reviews — independently.
Global print partners and a year of free digital updates.
Quick answers from the team.
Reviews from individuals, universities, and Fortune 500 security teams.
"The most readable cybersecurity book on my shelf, Corydon's PenTest+. I bought 20 copies for my red teamers and SOC analyst trainees."
"Corydon books are the only ones I assign without skipping chapters. Practical, current, and well-edited."
"Passed CompTIA A+ on the first try using just the Corydon study guide. Clear, concise, no fluff."
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