Common sense security
This might seem a million miles away from security issues, but I think it can illuminate similar dilemmas in computer security.
IT security professionals aim to protect their companies and clients from harm, but the tightest security is not necessarily the best.
Let's use the airline industry as an example. There's been a lot in the press recently about the US demand to put armed marshals on transatlantic flights. They can tackle hijackers, so they must improve security, right?
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