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 ...

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 ...

Please hack me

Instructions Copy the link below into notepad or microsoft word. http://limbenjamin.com/hackme.php?pic=http://i.imgur.com/zzCRZUH.jpg&text=hacked Replace the bolded section with the link of any picture you like and the underlined section with any text you like. Paste the link into the URL ...

Problems with Distributed Architecture

As reported here, a bitcoin mining pool has contributed 51% of total hashing output which theoretically allows them to double spend bitcoins or to deny other miner's transactions. I am not an expert at bitcoins but it appears that the distributed architecture is a crucial feature in ensuring ...

Cheat And Win - Samsung SSD Contest

The "Fastest Game On Earth" contest is similar in concept to the SoC quiz. Every time you "catch an SSD", you get an additional chance to win an SSD. With unlimited entries, all we need to do is to replay the packet again and again. So what safeguards are in place this time? The application is ...