Keys have and always will be security through obscurity. For most people it's not an issue. The only people that are likely to bump your lock are really profe

Keys have and always will be security through obscurity. For most people it's not an issue. The only people that are likely to bump your lock are really professional thieves (who are rare) or intelligence services who'll have better equipment. Most businesses are more than secure enough. It's far easier for a crook to gain access via social manipulation than it is to bypass physical security systems. As with home security, humans are always the weakest link in the chain.