Hard disk with "data instantaneous invalidation function" to completely invalidate all data in less than 1 second

Although Fujitsu launched the world's first 320GB 2.5-inch hard disk equipped with the industry's fastest encryption function compatible with the AES 256-bit encryption method, it completely disables all recorded data in less than 1 second To "Data instantaneous invalidation functionIt is said that it is equipped with.

Details are as below.
The world's first 320 gigabyte 2.5-inch HDD equipped with the industry's fastest encryption function compatible with AES 256-bit encryption New release: Fujitsu

This hard disk, "MHZ 2 CJ" series will be shipped from the end of May 2008. For what purpose the "data momentarily invalidating function" is installed in the first place, in order to prevent information leakage from a PC that has been retired, data is completely erased when PC is retracted, but in order to do this work Because we needed work to overwrite it with dedicated software over and over again, we spent enormous time and cost. With this new function, this kind of work is unnecessary, so it seems that it can contribute to a significant TCO reduction.

I do not know details of what kind of thing is possible with such a mechanism, but in case of emergency happens, various "such as" throwing out the hard disk from the window "" Chin in the microwave "How to destroy the HDD in a flashAmong them, will it finally become a deciding hit feature ... ?.

04/22/2008 14:25 Addendum
For details on the function of "data instantaneous invalidation function"Data invalidation within 1 second has been realized by changing the encryption keyThat's right. In other words, it does not mean that the data itself disappears, the data is encrypted, but there is no key, so it can not be decrypted, that is, it is practically unusable, it seems to be expressed as "invalidation" is. I wonder if it is okay ....