Was reading twitter, as I would typically do when in transit. Came across a really good post on sudo and security. Highly recommend having a read.
Check it out here.
Some excellent information contained in the post.
 – Sudo (su “do”) allows a system administrator to delegate authority to give certain users (or groups of users) the ability to run some (or all) commands as root or another user while providing an audit trail of the commands and their arguments.