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Five critical security patches cover Windows, Windows Server, Office, DirectX and Internet Explorer
Excel, Wordpad and IE among patch targets
10 of the 23 vulnerabilities have already been exploited, or are public
Choice for policy makers may be between tough patient privacy rules and speedy EMR enactment
The total number of infected PCs could be higher, however
J.P. Morgan says job cuts possible in wake of expected revenue decline of 21% for fiscal year