These devices may range from an automatic washing machine to a personal computer to military hardware.

Data is stored in virtually every modern era gadget. In professional parlance, these are called storage media formats. These can be as diverse as hard disk drives, CVDs, DVDs and other electronic gadgets. These storage devices can be damaged or corrupted in some form. In such a scenario, the data encoded in the device needs to be recovered.

Data Recovery

Data can be lost either due to physical damage to the media or logical damage of the file system. In logical damage, the given operating system does not mount the file. Data recovery refers to the process whereby data is retrieved and deleted information is secured.

At times one may lose critical data which is required for smooth operations of some kind. As has already been stated, data loss may be owing to physical or logical damages. Irrespective of the cause or type of damage, if the data is vital, then it has to be recovered. This process is referred to as data recovery.

Data recovery can be done by an individual on his own in the comfort of his surroundings via software packages available in the market. These are called “Do it Yourself” or as they are more commonly called DIY packages. Unfortunately, these have their own drawbacks and if one is unable to utilise them, then one has to opt for professional recovery methods.

Do-It-Yourself Software

Do-It-Yourself software packages have numerous benefits. First of all, there is the cost factor. They come at a fraction of the cost that a professional recovery company will charge. Secondly, the time taken will also be minimal as all the operations are in one’s own hands and one does not have to go anywhere with the device from which data is to be recovered. Last but not least, is the comfort of being in your everyday environment while carrying out the operations.

Numerous companies have come out with their own packages for the recovery of data. Several of them have their own websites and offer their wares on the Internet. One can get a package home delivered by paying online through a credit card or simply make the payment and download the software on to one’s own computer system.

These packages are user-friendly and can be operated by a novice also. For all sections, they have easy to understand commands and a help file in case one is unsure of what to do. These software packages can recover data from almost every kind of situation that one may get to face and, of course, they are dirt-cheap.

There is only one major problem with these do-it-yourself packages and that is that during usage they make changes to the hard drives of the computer system. They may inadvertently destroy the very data one is looking for by overwriting upon it. This can truly complicate the matter as overwriting is utilised to destroy unwanted data! So, in effect, one may accidentally lose all chances of recovering that which is being searched.

In such a scenario, the professional data recovery companies come into the picture. As this involves substantially higher costs, one has to be sure that the data that is to be recovered is worth it.

Professional Recovery of Data

One may lose data owing to some kind of computer virus or accidental deletion from the system. Repartitioning and reformatting of the computer may also lead to accidental data loss. Irrespective of causes, a loss of data can be a major setback for an individual / enterprise. It may be that the loss has been of such magnitude that one cannot take the risk of a do-it-yourself software package.

The two main methods employed by professional data recovery companies are consistency checking and the zero knowledge analysis. Despite all the experience and training behind the professionals who try to use them for recovering data, there is still no hundred percent sure method of recovering that that has been lost.
Nevertheless depending upon the sensitivity and importance of the data one must resort to professional help.