It's a good and short read, important if only because the Pentagon has finally come clean about their incredible LACK of readiness in the ongoing cyber-security warz.
US cyber war defences 'very thin', Pentagon Warns
And yes, despite FUD to the contrary, the US feds would be remarkably better off if only they would dump Windows and, chant along with me:
GET A MAC
Red China says: "Thank you USA for using Windows!" (0_o)
Mac OS X is far from perfect. But Windows is far from adequate. Mac OS X remains the single safest GUI operating system on the planet. Only OpenBSD and FreeBSD have better security reputations. Sorry Linux.