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Month: September 2025

Contabo Defaults Encourage Using SSH Passwords

Posted on September 12, 2025September 12, 2025 by James O'Claire

I recently started helping a less technical friend and had my first chance to see/use Contabo VPS. I’ve been really surprised at their default security practices so far. Contabo’s default VPS creation seems to be root user and password? If you go to “Advanced” the default is to create a user called “admin” (good!) and…

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Mobile Trackers your Ad-Blocker Doesn’t Know About

Posted on September 11, 2025September 11, 2025 by James O'Claire

This is the full list of the main API endpoints that apps send data to. This is across ~70k android apps and the smallest endpoint has about ~90 apps that send data to it, meaning it’s unlikely to be an app developer’s domain. Then I checked whether these domains were in any of: https://github.com/StevenBlack/hosts, https://easylist.to/easylist/easylist.txt…

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Contabo Private Networks are a Pain

Posted on September 11, 2025September 11, 2025 by James O'Claire

I recently started using Contabo VPS’ while working with some friends and at some point we decided we wanted to use local networks. On all other major cloud providers this is free, faster and encouraged to send data over the private local network rather than across the public internet when communicating with two instances. Contabo?…

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The 300 Most Common Android Data Endpoints (and the Companies Behind Them)

Posted on September 5, 2025 by James O'Claire

Last week I wrote a blog working through a few unknown endpoints. My goal was to bring some attention to these lesser known end points where many apps send their data. This post is split into two sections. The first at the top here are endpoints that do not have landing pages and have not…

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Recent Posts

  • Contabo Defaults Encourage Using SSH Passwords
  • Mobile Trackers your Ad-Blocker Doesn’t Know About
  • Contabo Private Networks are a Pain
  • The 300 Most Common Android Data Endpoints (and the Companies Behind Them)
  • Uncovering Lesser Known Mobile Adtech Domains

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