Coupling’s Steve Taylor:

When Man invented fire, he didn’t say “Hey, let’s cook!” He said: “Great! Now we can see naked bottoms in the dark!” As soon as Caxton invented the printing press we were using it to make pictures of - hey! - naked bottoms. We’ve turned the Internet into an enormous international database of… naked bottoms.

In the serious matter, from Ross Anderson’s Security Engineering:

No-one seems to have done any work on gender and security usability, yet reviews of work on gender psychology suggest many points of leverage [ … ] this material makes me suspect that many security mechanisms are far from gender-neutral. Is it unlawful sex discrimination for a bank to expect its customers to detect phishing attacks by parsing URLs?