| Data security |
| Encryption |
| Regulation |
| Data backup |
| Data recovery |
Data backup is a must. It is of first importance to set up a clear strategy and a clean solution to backup your data. It should be easy to recover the data in case of a disaster or even in case of a human error.
The precise use of the various file types stored on one or more computers may imply to use distinctly multiple backup strategies. A backup may also be used for other purpose than securing the data.
Various ways and methods are available: Tape, Zip Drives, Recordable and Rewritable CD, a computer on the network, Web-based Internet storage sites, and more. Whatever the method used, your backup procedure must be strict and permanently applied. Idealy, it is better to store the backup data outside, in some secure place. Let's point out some interesting utilities:
Disk image iso image file utility
http://selfimage.excelcia.org/ offers a disk copy utility for windows which is able to create the image of an unmounted disk partition on a live PC, including in case of a dual boot windows and linux. The http://www.undisker.com/faq.html fully explains what is a disk image and an iso image file.
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Live data compression utility
http://www.partition-saving.com/ offers a utility for data compression (using the gzip compression algorithm) and for the backuping the data in multiple files. This makes it possible for instance to save a a 2 Gb partition on a CD. Most partition types are recognized. For the FAT (12, 16 et 32), ext2/3 and NTFS partitions, it is also possible to choose saving all the sectors or only the ones that are used.
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Automated synchronisation
One way or two-way synchronization utility may be a quick solution for uncompressed data backup. The main advantage is to give immediate access to the backup. One way may enable to track the modifications in a database to prevent data loss. A two-way synchronization may enable - if clear rules are applied - a merged backup of multiple sources of update for live data.
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On-line data backup
Offsite data storage and data backup services for servers and PCs may be a secure solution for regular data backups.
Provided that the provider and the technology were carefully chosen, an online data backup may offer the advantage of a permanently updated system and a professional security management. So remote data backup managed services may be fast and efficient.
The choice criteria number one is the speed recovery, should the recovery be necessary. Choice criteria number two is the quality of the encryption and compression technology that protect the transmission of the data over Internet.
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More sources for data backup utilities
There are very well know solutions such as tape data backup or external hard drives or other removable media. Various backup technology are available for local data backup or for distant data backup and data storage.
A very good source for evaluating the variety of available means and media
is TheFreeCountry :
http://www.thefreecountry.com/utilities/backupandimage.shtml
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