On Wed, 2004-03-03 at 02:28, Rembrandt wrote:
> I know guys wich are working as administrators at a newspaper.
> They make backups.. yes.. 
> But they make it only for 1 week (couse there's too much data).
> So they're able to restore all files wich changed since date X.
> But what's about a virii wich infects the files and waits until a
> special date?
> Or what's about logic-bombs?
Its not the job of an anti-virus solution to compensate for inadequate
backups.  This is inadequate because if you may need a file from a month
ago your backup solution should be able to deliver that.  A weekly
rotation is only any good if the files you are backing up will genuinely
not be needed for longer than a week.  There are plenty of adequate ways
to minimise the amount of media needed to perform much longer term
backups (for example the Tower of Hanoi method).  




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