Possible/necessary to secure delete an SD card?

livingfortoday said:

I hope this is the right place to post this...

I'm selling my 64MB SD card to someone on eBay, and was wondering if they would be able to recover the files I deleted off of it with my camera? If so, is there a secure way to erase it? I don't have anything that important on it, I just don't like the thought of strangers looking through my photos.

Thanks!

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snap58 said:

I have been able to recover pictures even after a Format of a card. If you are really worried about it, erase the card then fill the card completely with something that doesn't matter, like a wall picture, (or your middle finger), then erase it again.

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