Simon Willison’s Weblog

Quotations tagged security, bruceschneier

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Whenever you build a security system that relies on detection and identification, you invite the bad guys to subvert the system so it detects and identifies someone else. [...] Build a detection system, and the bad guys try to frame someone else. Build a detection system to detect framing, and the bad guys try to frame someone else framing someone else. Build a detection system to detect framing of framing, and well, there’s no end, really.

Bruce Schneier # 17th October 2009, 4:55 pm

“Digital Manners Policies” is a marketing term. Let’s call this what it really is: Selective Device Jamming. It’s not polite, it’s dangerous. It won’t make anyone more secure—or more polite.

Bruce Schneier # 1st July 2008, 2:51 pm

Since 9/11, approximately three things have potentially improved airline security: reinforcing the cockpit doors, passengers realizing they have to fight back and—possibly—sky marshals. Everything else—all the security measures that affect privacy—is just security theater and a waste of effort.

Bruce Schneier # 29th January 2008, 12:14 pm

I don’t understand why the NSA was so insistent about including Dual_EC_DRBG in the standard. It makes no sense as a trap door: It’s public, and rather obvious. It makes no sense from an engineering perspective: It’s too slow for anyone to willingly use it. And it makes no sense from a backwards-compatibility perspective: Swapping one random-number generator for another is easy.

Bruce Schneier # 16th November 2007, 10:25 am

A school in the UK is using RFID chips in school uniforms to track attendance. So now it’s easy to cut class; just ask someone to carry your shirt around the building while you’re elsewhere.

Bruce Schneier # 24th October 2007, 8:36 pm