Mic Whitehorn-Gillam

Mic joined Secure Ideas in 2016. His extensive background in web application development spans everything from classic ASP and vanilla PHP to modern, API-driven apps using Angular or React. He is passionate about training and education, especially for developers.

Insomnia plus Burp Suite icons

Getting Started API Penetration Testing with Insomnia

In our blog series on Better API Penetration Testing with Postman we discussed using Postman as the client for testing RESTful service APIs. Insomnia is an MIT-licensed open source alternative to Postman. Its commercial maintainer, Kong, is best known for their microservice API Gateway. Like Postman, Kong offers premium subscriptions for syncing and collaboration functionality. …

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Better API Penetration Testing with Postman – Part 3

In Part 1 of this series, we got started with Postman and generally creating collections and requests. In Part 2, we set Postman to proxy through Burp Suite, so that we could use its fuzzing and request tampering facilities. In this part, we will dig into some slightly more advanced functionality in Postman that you …

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Burp and Postman

Better API Penetration Testing with Postman – Part 2

In Part 1 of this series, I walked through an introduction to Postman, a popular tool for API developers that makes it easier to test API calls. We created a collection, and added a request to it. We also talked about how Postman handles cookies – which is essentially the same way a browser does. …

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Better API Penetration Testing with Postman – Part 1

This is the first of a multi-part series on testing with Postman. I originally planned for it to be one post, but it ended up being so much content that it would likely be overwhelming if not divided into multiple parts. So here’s the plan: In this post, I’ll give you an introduction to setting …

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Three C-Words of Web App Security: Part 3 – Clickjacking

This is the third and final part in this three-part series, Three C-Words of Web Application Security. I wrote a sort of prologue back in April, called A Brief Evolution of Web Apps, just to set the scene for those less versed in web application history. The first part, which was on CORS (Cross-Origin Resource …

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Twelve Days of XSSmas

This series of daily mini-posts, running from December 12, 2018 to December 24, 2018, is intended to provide cross-site scripting (XSS) related tips. This will range from filter-evasion and payload minification tricks, to old (but still good) classic XSS tips, to scripts that make (or contribute to) interesting proof-of-concept payloads. Day 1 – Template Literals …

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Three C-Words of Web App Security: Part 2 – CSRF

This is the second in a three-part series, Three C-Words of Web Application Security. I wrote a sort of prologue back in April, called A Brief Evolution of Web Apps, just to set the scene for those less versed in web application history. In July, I posted part one, which was Three C-Words of Web App Security: …

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