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Dave Eargle

Personal website of David Eargle

daveeargle.comRSS feed ↗10 posts

Latest posts

Hiring a Consultancy vs Running a Bug Bounty Program

A company may be choosing between hiring an information security consultancy, or running a public “bug bounty” program. This post compares those two options. Warning: I’m still relatively new to working in a consultancy, so my thoughts on this may be immature.

What happens to a security-assessment finding?

I originally wanted to publish this on the company blog, until I realized that company blogs are for assertive statements of reality as opposed to missives about professional growth and realizations. So this post is coming here instead!

ThingsOnEdge Cricket IoT Moisture Sensor with Home Assistant

My first foray into IoT soil moisture sensing. Describes calibrating a moisture sensor, connecting it to a Cricket IoT esp32 board, and receiving mqtt moisture readings on Home-Assistant.

Securing paypal “smart buttons” via shared-secret hash signatures

Paypal promotes its “smart buttons” as a way to integrate purchasing on websites.1 However, by default, all of their purchasing logic, including purchase amounts for specific items, happens in the browser via javascript. This means that an attacker could edit javascript and modify payment amounts. That’s a problem if the vendor sets up webhook automation for paypal purchases to trigger business…

New tool: Ebscohost query maker

Searching ebscohost for a collection of specific journals is horrible, so I made it palatable.

Dinosuit Sighting at 2021 Elementary School Pep Rally

This is my second appearance at an elementary school pep rally – I’m trying to find the video from the first one a few years back.

Creating separate RSS feeds because I want to blog about more things.

I want to blog about a wider collection of topics. For years I’ve been timid to publish beyond a small set of topics related to my work – security, analytics, pedagogy, etc. I’ll call these the “professional” posts. But I have a lot of random hobbies, and I want to archive them somehow! Like woodworking, electronics, gardening, home automation, and church/religion stuff. I’ll call these…

Kali-on-GCP updated for Kali 2021.2

Go to the repo

Metasploitable2 in vagrant

Go to the repo

Class GPA Calculator

Some schools have guidelines for distribution of letter grades for a class. Announcing a tool that helps with compliance with those guidelines.