Looking for a clear, current guide to Mobile App Security? Mobile App Security is a 52-page illustrated PDF from the oJAYo team. Building and testing secure iOS and Android apps.
Mobile apps hold some of the most sensitive things in our lives: bank accounts, health records, messages, photos and work data. They also run on devices that are lost, stolen, shared, or infected with malware, on networks nobody controls, and they can be downloaded and taken apart by anyone.
This book explains mobile app security for beginners: how attackers approach mobile apps, the main risks described in the OWASP Mobile Top 10, and practical ways to build and test secure iOS and Android apps. It is written for app builders and defenders and does not teach attacks on apps you do not own.
Why buy Mobile App Security?
- Created by the oJAYo team of security experts: written by practitioners, then technically reviewed and edited.
- Turns a big security topic into clear, practical steps you can use at work right away.
- 36 short, focused chapters you can read in one sitting each, so steady progress fits around a busy week.
- Plain-language explanations with diagrams, so you understand the why as well as the how.
- Up to date for 2026, covering today’s threats, tools and frameworks.
- Defensive and practical: checklists and real-world examples instead of jargon.
- Ready-to-use checklists you can take straight into your next project or review.
- Instant PDF download that works on any laptop, tablet or phone, yours to keep.
What you will learn
- Why mobile is different
- The attack surface
- Platform security
- The OWASP Mobile Top 10
- MASVS and MASTG
- Threats
- Real-world lessons
- Mobile malware and risky devices
- Credentials and secrets
- Data storage
- Cryptography
- Communication
- Authentication and authorization
- The backend
Who this book is for
- iOS, Android and cross-platform developers.
- Testers and QA engineers.
- Product owners and security beginners.
What is inside
- Format: PDF, instant download
- Length: 52 pages
- Chapters: 36
- Diagrams and screens: 15
- Created by: the oJAYo expert team (written, technically reviewed and edited)
- Publisher: oJAYo.com
- Published: 2026
- Series number: No. 118
Frequently asked questions
What does Mobile App Security cover?
Topics include “Why mobile is different”, “The attack surface”, “Platform security”, “The OWASP Mobile Top 10” and “MASVS and MASTG”, across 36 chapters with 15 diagrams and illustrated screens.
Who should read Mobile App Security?
iOS, Android and cross-platform developers. Testers and QA engineers. Product owners and security beginners.
Is it suitable for beginners?
Yes. No prior experience is assumed: each chapter explains the idea first and then shows how it works in practice.
What format is the book, and how do I get it?
It is a 52-page PDF. After checkout you get an instant download link, and you can read it on any device.
Is the content up to date?
Yes. It was written, reviewed and published in 2026 by the oJAYo team at oJAYo.com and reflects current versions, tools and practices.
Apple, iOS, Google, Android and other product names are trademarks of their respective owners. OWASP is a registered trademark of the OWASP Foundation.
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