04.03.2014

Data recovery from the fragments of hard disk (and other interesting cases)

[The text was translated automatically by Google Translate]  As expected - the progress in data recovery is becoming more evident, so that even in difficult cases, the cost becomes acceptable to the customers. The fact that in the best laboratories can recover data from any small fragments already known since 2004, but the possibility of providing a wider range of clients apparently had to wait nearly nine years. However - as the one of the cases described by Kroll Ontrack - just make it available.

Kroll Ontrack as every year, presented a list of 10 of the most interesting cases of data loss - what is important, in most cases managed to recover all, most, or at least the key data. What's interesting - not only one of them shows that mechanical destruction of data is not sufficient to ensure the effectiveness of destruction. In particular, the following:

To the Kroll Ontrack came hard disk fragmented into many small pieces. Company, which gave the shipment acknowledged that the disk has been repeatedly struck with a hammer, but despite the huge size of the damage insisted that the attempt to recover the data. Specialists managed to recover only one file. Information what is in it were allowed to state that one of the injured employees the company tried to delete data and erase all traces. single file allowed to place charges against him. "

According to DIN 66399 the highest used by security companies is H-5, used for secret information of crucial importance from the point of view of the existence of the person, company or institution, such as patents, design documentation, strategic documents, competitive analysis, procedural documents. In accordance with the requirements of this standard, in order to maintain this level of security, drives repeatedly cut and deformed, and the surface Shred it up to 320 mm2 (or perhaps much more than a fragment, from which the recovered data). This means that the 3.5-inch plate is cut to only 18-19 pieces, each of which may still contain up to... a stunning 60.8 GB of data. It's hard so it would be expected that they will not remain on any consistent data ...

Other reported cases are:

  • Recovered 100% (10 GB) of data from your smartphone, which was shot by gun - another example showing that the mechanical destruction does not prevent the recovery of data.
  • The server and disk server, which found a nest full of spiders, and 100% of the data.
  • Servers and their backups - flooded as a result of the attack of Hurricane Sandy. Recovered 100% of the data, which allowed the operation of almost 60 years design firm not to start again from the beginning...
  • (Described above) recovered a single file from the disk specially shattered to smithereens hammer - has allowed it to establish that the staff tried to delete data and cover his tracks.
  • Recovered 100% of the data from the disk, for which the owner accidentally (the dark and the alcohol) urinated.
  • Spending the whole rainy night on the lawn of the abandoned by the thief laptop, did not prevent the recovery of all data.
  • Lost in a computer game caused the child with all his strength struck his fist on the keyboard, which caused a loss of data.
  • Recovery of data from laptop flooded alcohol during the celebration of the end of the academic year.
  • Recovered more than 80% of the data from the laptop, which contained the results of the 18-month work 150-person crew - fell off the table when accidentally kicking the table during the copying of material on the external drive.
  • Recovered most of the data from the laptop, which was documented two-year cycling trip a traveler, during which he have driven nearly 40,000 Miles - data recovered despite the presence of complex lesions, which occurred on many surfaces media (another confirmation that the scratches and mechanical damage do not guarantee effective destruction of data!).

It is worth to note that the Polish law absolutely requires effective removal of data, so that reading them was impossible. One of the few methods, which ensures data destruction is the LiquiDATA technology.

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