Access controls: Minimize the number of staff with administrator privileges.
Denial-of-service mitigation plan: This is imperative for any business that relies on the Internet.
Of course, all of those combined still will not make an enterprise completely impenetrable. But, as former Navy Admiral and National Security Agency director Mike McConnell told a forum on cyberespionage recently, 85% of the security risk to businesses could be eliminated with "good cyber hygiene."
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