Do file Shredders work on SSD's?

Discussion in 'Security and Anti-Virus Software' started by passive101, Apr 25, 2011.

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  1. passive101

    passive101 Notebook Deity

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    I have an SSD in my m11x. Does the file shredder from CCleaner with 7 or 34 passes securely wipe files from Windows 7?
     
  2. Pitabred

    Pitabred Linux geek con rat flail!

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    No. SSDs have another layer of indirection on them, and all that will end up doing is wearing out your SSD.

    On the plus side, the garbage collection/TRIM of modern SSDs will generally end up effectively shredding those files
     
  3. Hungry Man

    Hungry Man Notebook Virtuoso

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    As pitabred said... running those programs will possibly lower the lifespan of your SSD.
     
  4. passive101

    passive101 Notebook Deity

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    That is good to know. However if you did have sensitive information on your computer such as medical records what would be the best way to resell a PC that had this on it?

    Or would the best way to do it is just destroy the SSD?
     
  5. Hungry Man

    Hungry Man Notebook Virtuoso

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    Uh, I'd suggest simply deleting the file. After using the drive for a bit everything deleted will be pretty much unrecoverable.
     
  6. Star Forge

    Star Forge Quaggan's Creed Redux!

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    Isn't TRIM suppose to manage the SSD in a way that data gets eliminated very fast and efficiently without using traditional hard drive shredder methods?
     
  7. erig007

    erig007 Notebook Evangelist

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    due to wear leveling and over-provisionning the only way to secure erase your ssd is a low level erase of your whole ssd and a reinstall of your data
    in short, back up your drive, erase it then reinstall
    another solution is to encrypt your drive
     
  8. namaiki

    namaiki "basically rocks" Super Moderator

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  9. passive101

    passive101 Notebook Deity

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    Would I lose much performance by having window 7 encrypt the drive? Or would trucrypt be a better option?
     
  10. erig007

    erig007 Notebook Evangelist

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    up to 7% or not much more depending on your cryptographic power choice. You should rather go for truecrypt as bitlocker has already been bypassed and is much more attacked than truecrypt like most programs coming with windows
     
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