ABAP Custom Code Security

ABAP Custom Code Security: Finding injection, missing authority checks and backdoors with the Code Vulnerability Analyzer, explained for beginners. It is a 51-page illustrated PDF from the oJAYo team, written in plain language and up to date for 2026.

Almost every SAP customer has custom ABAP code: reports, function modules, interfaces, enhancements and Fiori back ends. This code runs with the full power of the SAP system. If a developer forgets an authorization check, builds SQL from user input or leaves a hard-coded password, attackers and curious users can bypass every role the security team designed.

This book explains, for beginners, how to secure ABAP custom code: the most common weaknesses, how to write correct authorization checks, how to avoid injection, how to secure RFC function modules, and how to use the SAP Code Vulnerability Analyzer (CVA) in the ABAP Test Cockpit (ATC), on premise and in the cloud. It also covers governance: exemptions, transport gates, developer access and clean core.

Why buy ABAP Custom Code 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.
• 21 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 custom code matters
• Common weaknesses
• Secure development principles
• Authorization checks
• CALL TRANSACTION
• SQL injection
• Code injection and backdoors
• File access and directory traversal
• Securing RFC function modules
• Web and Fiori back ends
• The Code Vulnerability Analyzer
• ATC landscapes
• Licensing and the cloud
• Handling findings

Who this book is for

• ABAP developers who want to write secure code.
• Development leads and architects.
• SAP security teams who review custom code.
• Auditors assessing custom code risk.

What is inside

• Format: PDF, instant download
• Length: 51 pages
• Chapters: 21
• Diagrams and screens: 12
• Created by: the oJAYo expert team (written, technically reviewed and edited)
• Publisher: oJAYo.com
• Published: 2026
• Series number: No. 55

Frequently asked questions

What does ABAP Custom Code Security cover?

Topics include “Why custom code matters”, “Common weaknesses”, “Secure development principles”, “Authorization checks” and “CALL TRANSACTION”, across 21 chapters with 12 diagrams and illustrated screens.

Who should read ABAP Custom Code Security?

ABAP developers who want to write secure code. Development leads and architects. SAP security teams who review custom code.

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 51-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.

Get ABAP Custom Code Security for $49 and start reading in minutes.