Bitcoin, Blockchain and Smart Contracts

In this wonderful talk, Johnny and Leo talked about blockchain and it’s application in smart contracts and insurance. They also guided audience to try examples on their laptops step by step. More than 50 people come and we want to apologize to those standing in the back. After the talk, two speakers were surrounded by audience, chat and discussion lasted for more than […]

NFC Hacking Workshop

We hade an exciting workshop lastnight. Xianbo from CUHK together with Amon and Anson from PolyU brought their RFID hacking devices and demonstrated the power of RFID hacking. Before that, a brief talk was given to the audience to introduce the basic knowledge of RFID and its secutity. Slides for last night’s talk and some […]

Introduction to Format String Attack

In this talk, Zeng Yihui gave a great talk about attacking format string bugs. He started from explaining buffer overflow, ROP and other basic knowledges. In combination with demo and exercises, he showed us some advanced techniques for exploiting format string vulnerabilities. You can download slides and codes for review. Under the permission of the […]