Sky blue, water wet, porn filters don't work

In Internet Filtering and Adolescent Exposure to Online Sexual Material, two researchers from the Oxford Internet Institute reveal their empirical findings on the efficacy of porn filters -- the online systems that are supposed to stop users from seeing sexual images, videos, and text. Read the rest

A proposal to stop 3D printers from making guns is a perfect parable of everything wrong with information security

Many people worry that 3D printers will usher in an epidemic of untraceable "ghost guns," particularly guns that might evade some notional future gun control regime that emerges out of the current movement to put sensible, minimal curbs on guns, particularly anti-personnel guns. Read the rest