奇摩阿榮 wrote:
目前都找不回來了
如果舊資料被新的資料蓋過去，救回機率很低很低
如果沒有，就有機會救回
BONBON0314 wrote:
美國國防機密檔案標準要重複寫３５次（換３５位房客）才算安全消除資料...(恕刪)
其實覆寫一次即可完全消除資料
According to the 2006 Center for Magnetic Recording Research Tutorial on Disk Drive Data Sanitization Document (p. 8): "Secure erase does a single on-track erasure of the data on the disk drive. The U.S. National Security Agency published an Information Assurance Approval of single pass overwrite, after technical testing at CMRR showed that multiple on-track overwrite passes gave no additional erasure."
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