What is OAuth, real-world examples and various OAuth attacks

OAuth is everywhere—from signing into your favorite apps using Google or GitHub to enabling secure access between APIs. But while OAuth is incredibly powerful, it’s also one of the most misunderstood and misconfigured components in modern applications. And that’s exactly why knowing its fundamentals isn't optional—it's critical. Misconfigurations in OAuth can open doors to serious vulnerabilities such as account takeover, token leakage,…

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CSP Part 2: Securing Inline Scripts with Nonces and Hashes

In Part 1 of the CSP series, we explored how CSP plays a major role in mitigating XSS and clickjacking attacks. Now that you're familiar with the basics of setting up a CSP and its importance, let's take it one step further. Today, we'll dive into two powerful CSP techniques: nonces and hashes. These allow us to safely run specific inline scripts…

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Content Security Policy (CSP): A Key Mitigation for XSS and Clickjacking

Content Security Policy (CSP) is a powerful browser mechanism designed to prevent and mitigate common web vulnerabilities such as Cross-Site Scripting (XSS) and Clickjacking. CSP allows developers to specify which sources of content are trusted by the application. This guide will walk you through how CSP works, and how to use it to protect against Clickjacking with frame-ancestors. Real-world examples and practical…

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Exploiting Cache: 20 Headers That Makes your Web App vulnerable to Cache Poisoning

In the fast-moving world of web applications, caching plays a pivotal role in ensuring quick and efficient content delivery. However, as with most technologies, it comes with its own set of vulnerabilities. One of the most insidious threats in this realm is cache poisoning. This subtle yet powerful attack can manipulate what users see, disrupt functionality, and lead to severe security and…

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