Analysis of 300,000 karaoke club members part 1

I chanced upon the dataset of 300,000 members of a karaoke club and thus decided to do a little analysis. Signing up for club membership is done through an online form. The analysis will be largely based on personal attributes of the members. I will be using pie charts ...

Dumping Aztech DSL1015EN firmware

Recently, I had the fortune to come across a spare DSL1015EN router cum modem. After dismantling the external case, this is what the internals look like. On the left, we can see 2 u.fl connectors for the antennaes. If I wanted to, I could get a RP-SMA adapter and ...

Cloning Mifare 1K cards

Disclaimer : The information provided here is solely for educational purposes. The system I would be looking at is the ST Electronics' ST8100 Securnet. This is an integrated security management system that includes an access control module that manages physical access to facilities. One of the smartcards supported by the system ...

Code runs on code

This semester has been a rather hectic one. There is this massive Java Enterprise project that lasts throughout the entire semester. In the midst of this project, our team encountered a rather puzzling bug. Despite following the sample code snippets closely and trawling through Stack Overflow, we were unable to ...

Flaws of a single ecosystem

The post is triggered by the recent leak of celebrity nude photos. Apple has claimed that the iCloud ecosystem is secure and the leak was the result of targeted attempts. Nevertheless, they eventually decided to tighten the security of the ecosystem. This is not an isolated incident as I clearly ...