If someone steals your password, you can change it. But if someone steals your thumbprint, you can't get a new thumb. The failure modes are very different.
Bruce SchneierThe whole notion of passwords is based on an oxymoron. The idea is to have a random string that is easy to remember. Unfortunately, if it's easy to remember, it's something nonrandom like 'Susan.' And if it's random, like 'r7U2*Qnp,' then it's not easy to remember.
Bruce SchneierAnyone, from the most clueless amateur to the best cryptographer, can create an algorithm that he himself can't break.
Bruce SchneierSurveillance of power is one of the most important ways to ensure that power does not abuse its status. But, of course, power does not like to be watched.
Bruce SchneierMicrosoft knows that reliable software is not cost effective. According to studies, 90% to 95% of all bugs are harmless. They're never discovered by users, and they don't affect performance. It's much cheaper to release buggy software and fix the 5% to 10% of bugs people find and complain about.
Bruce Schneier