2023-07-03 11:25:00
The solution, according to Hands, is to purge the hard drive. Indeed, he claims that even shredding devices can be risky today, as someone very savvy in data recovery might take a coin as small as 3mm and read the data from it.
He explains that there are three methods to delete data from hard drives. The first is simple deletion, but this is obviously the least secure, since the data can then be recovered using specialized tools. The most extreme method is destruction by melting or incineration. This way, the data can never be recovered, but neither can the drive and the materials.
Purging is, according to him, the safe option that lies between these two methods, and it allows reuse. There are several ways to purge a drive. For example, hard drives can be overwritten by new data patterns. Another example, faster and more efficient, would be cryptographic erasure. Many modern drives have built-in encryption, which means that the data they contain can only be read by those who have the encryption key. If the key is deleted, the data is scrambled. Eventually, this might make it possible to reuse hard drives.
One of the leading providers of data storage solutions, Seagate, states: If we can trust that we secured the erase, then the drives can be put back into service. »
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