‘Shellshock’ bug may affect as many as 500 million machines

If you run any linux (including MacOS) – be on the lookout for a patch or patches for the command “bash” – and apply them immediately. Even if you’re behind a firewall – if you have a single infected machine (even windows), the bots these criminals will load can be configured to go and hunt for vulnerable machines inside your network… it only takes ONE machine with an unrelated infection on your network.