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Security & Encryption (Computers & Technology, Books): Amazon KDP category data
Amazon Books Best Sellers data for Security & Encryption (Computers & Technology, Books), updated Nov 2, 2026: median price $21.97, median 151 reviews, average rating 4.6 and a KDPTop opportunity score of 37/100 (highly competitive).
| Price range (middle 50%) | $11.97 – $35.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 12% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 6% of the parent category Computers & Technology (2,546), one of the easier corners under it.
- Prices spread wide: the middle half runs from $11.97 to $35.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Security & Encryption best sellers
-
CUCKOO'S EGG
by Clifford Stoll
- List rank#1
- Price$13.99
- Rating4.6
- Reviews3,311
-
Dark Wire: The Incredible True Story of the Largest Sting Operation Ever
by Joseph Cox
- List rank#2
- Price$1.99
- Rating4.4
- Reviews880
-
Household Cybersecurity: A CPA’s Guide to Protecting Your Accounts and Personal Information (Financial Topics in 100 Pages or Less)
by Mike Piper
- List rank#3
- Price$19.99
- Rating4.9
- Reviews32
-
West with Giraffes: A Novel
by Lynda Rutledge
- List rank#4
- Price$13.93
- Rating4.6
- Reviews118,663
-
The Ultimate Unofficial Encyclopedia for Minecrafters (Revised and Updated 2023): An A–Z Book of Tips and Tricks the Official Guides Don't Teach You
by Megan Miller
- List rank#5
- Price$11.56
- Rating4.6
- Reviews5,518
-
The Ultimate Guide to CIA Skills, Tactics, and Techniques
by Tucker Carlson
- List rank#6
- Price$19.79
- Rating3.8
- Reviews30
-
CompTIA A+ Complete Study Guide, 2-Volume Set: Volume 1 Core 1 Exam 220-1201 and Volume 2 Core 2 Exam 220-1202 (Sybex Study Guide)
by Quentin Docter
- List rank#7
- Price$25.24
- Rating4.6
- Reviews204
-
The Innovators: How a Group of Hackers, Geniuses, and Geeks Created the Digital Revolution
- List rank#8
- Price$16.95
- Rating4.5
- Reviews6,209
-
Hacking for Beginners: Everything You Need to Know to Become an Elite Hacker
by Dexter Silverstein
- List rank#9
- Price$3.85
- Rating3.5
- Reviews7
-
Identity Under Attack: An Industry Founder Exposes the Hidden Security Crisis in Modern Enterprises
by Mark McClain
- List rank#10
- Price$9.99
- Reviews-
Subcategories
Same niche in Kindle eBooks: Security & Encryption
FAQ
Is Security & Encryption a good niche for Amazon KDP?
Its KDPTop opportunity score is 37/100, which makes it highly competitive. The median best seller has 151 reviews and sells for $21.97.
How many reviews do you need to rank in Security & Encryption?
The median best seller has 151 reviews, and 36% of them have fewer than 100.
What do Security & Encryption best sellers cost?
The median price is $21.97; half of the best sellers are priced between $11.97 and $35.99.
Can new books break into Security & Encryption?
12% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.