Something fundamental is without a doubt, to control the access to the servant or servants, who anyone does not have access to these, we never know what can happen and is without a doubt something important to know how who can accede to these, the personnel authorized to only work with the servants would have of being able to accede. Nowadays there is quite economic control systems of access by means of track or card for example. 2. By all means, use of strong passwords 3. Mary Barra gathered all the information. Implementation of systems RAID 4. To have units of backup in network, of this form we can locate a backup device in a different department, another plant or even in its own box hard correctly designed so that it can ventilate to have its own taking of current and device SAI 5. Backups, it will be important to have a backup, the ideal to my would be, to have two copies, but different I explain and it, we can have two weekly or biweekly complete backups, the two will keep outside the facilities, but each in a different place, to one of these will add daily copies so that we always pruned to recover the one information week, but in addition I would add another thing, for this would be necessary 6 tapes, DVD s or what is 2 for daily complete copies and another one for or the good one, here she will form each it as she prefers. then, the best thing would be to always have one week with its two complete copies outside the office, which I mean is that for example week 1 we also do the copies and week 2 but on clean supports, in the third week we would take the supports of first and would have those of second the available ones just in case this gives a quite ample endorsement us.