Surviving a hacker conference

concrowd

With another hacker conference looming in front of us, it’s time to start thinking about hardware security. Hacker conventions have the most hostile network you’ll ever encounter. [Security4all] points out that 25C3 already has an extensive page on securing your hardware. It starts from the ground up with physical security, BIOS passwords, and locking down bootloaders. There’s a section on securing your actual OS and session. Finally, they cover network usage. It mentions using SSH for dynamic forwarding, which we feel is a skill everyone should have. We’ve used it not just for security, but for bypassing brainless bandwidth restrictions too. There’s also the more trick transparent version. Every piece of data you bring with you, you risk losing, so they actually recommend just wiping your iPhone and other devices before attending. It’s important to remember that it’s not just your own data at risk, but everyone/thing you communicate with as well.

Detecting ISP throttling


ISPs have recently become very aggressive towards their customers. They’ve been blocking or altering traffic to prevent you from using specific programs or protocols. Google’s Senior Policy Director recently stated that they’re developing tools to allow people to detect ISP interference. A couple other groups have been building tools as well: The Network Neutrality Squad just released the second beta of their Network Measurement Agent. The tool currently detects spoofed packets by monitoring the round trip time of the connection; early reset packets will have lower than average RTT. If you want to go more in depth, the EFF has published a guide for using Wireshark to do the detection. We’ve even heard rumors of people building tools to tunnel a session inside of one that looks completely different.

[photo: nrkbeta]

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