New NSA Listed Crushers
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After secure degaussing, crushing is an excellent method of physically destroying a hard drive, rendering its data irrecoverable. The PDS-75, PDS-1...
Software Overwriting – Gone for Good?
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Claims of “Department of Defense approval” echo through the software wiping industry as means to ensure customers of securely sanitized media. Howe...
What is Reverse Polarity
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T-4 Reverse Polarity
We know that data is stored magnetically on hard disk drives (see Figure 1 ) and that is why degaussing works. But sometim...