You're reading from Defending APIs

Product typeBook

Published inFeb 2024

PublisherPackt

ISBN-139781804617120

Edition1st Edition

Concepts

Cybersecurity

Author (1)

Colin Domoney

Authorization vulnerabilities

Now that we have covered how to secure your API authentication, we focus on its counterpart – authorization. We will cover patterns for protecting against object-level and function-level vulnerabilities and how to apply various authorization middleware to improve overall authorization robustness and extensibility.

Object-level vulnerabilities

In Chapter 3, Understanding Common API Vulnerabilities, we covered the root causes of broken object-level vulnerabilities in the API1:2019 – Broken object-level authorization section. As a reminder, this vulnerability originates when an API grants access to an object (typically data) not owned by the calling user or client.

Despite its prevalence and reputation as the most serious of API vulnerabilities, broken object-level authorization is paradoxically one of the easiest vulnerabilities to address as a defender. The rule is simple – always explicitly validate the access to an object...

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Defending APIs

Published in: Feb 2024Publisher: PacktISBN-13: 9781804617120

Author (1)

Colin Domoney

Colin Domoney (BSc. MSc. CSSLP, CEH) is an API Security Research Specialist and Developer Advocate with deep expertise in the development of secure software. As VP of AppSec, he took on the challenge of securing software on a large scale and running the global AppSec program at Deutsche Bank. At Veracode, as an evangelist, he produces countless webinars, and blog posts, and speak globally at conferences. Currently, he has embraced the challenge of securing APIs with 42Crunch where he has produced the API industry's first security maturity model and contributed to numerous webinars, talks, and blogs. Currently, he is working on the industry's first defensive API developer training course. He is also the curator of the APISecurity weekly newsletter.
Read more about Colin Domoney

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You're reading from Defending APIs

Authorization vulnerabilities

Object-level vulnerabilities

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Author (1)

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