Security Basics mailing list archives
RE: Hard drives v. CF/Smart media/etc.
From: "Herman Frederick Ebeling, Jr." <hfebelingjr () lycos com>
Date: Tue, 18 Oct 2005 18:52:25 -0400
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ----Original Message---- From: Alloishus BeauMains [mailto:all0i5hu5 () gmail com] Sent: Tuesday, 18 October, 2005 14:50 To: gillettdavid () fhda edu Cc: hfebelingjr () lycos com; security-basics () securityfocus com Subject: Re: Hard drives v. CF/Smart media/etc. : Yes and no. Delete may have a recovery option. : : However, formatting a drive with flash memory offers no protection : that I know of, unless the information is cached (backed up) to a : separate media. I presume that your talking about a USB key, and not a HD that has a flash memory cache, right? : : The reason is that flash memory is either there or it isn't, as : determined by chip/connection logic. I would have thought with that element to flash memory that there isn't/wouldn't/shouldn't be a "ghost" image of the data that had been stored there. : : However, on a normal hard drive or floppy disc with platters, there is : a magnetic resonance that is left behind, so even if the electrons are : scrambled, it is possible to still retrieve that information. Yep, and depending on how badly someone wanted said data it is "always" recoverable. : : So this leads to a side question: How to keep others from retrieving : information from one of those media varieties? : : Answer: There are two ways: 1. Destroy the media. 2. Overwrite the : media with garbage (Although this won't utterly completely keep : someone from retrieving the information....whoever wanted it would : have to pay dearly). How many times of overwriting would it take to decrease the chances of it being recovered? : : I am not aware of any tools that do data retrieval from a flash drive : unless it is being copied to another location...so if anyone knows of : anything different, let me know. : : On 10/18/05, David Gillett <gillettdavid () fhda edu> wrote: :: Yes. My dad accidentally deleted half the digital pictures of :: his and my mom's "cruise of a lifetime" (50th anniversary) off the :: flash memory card from his camera, and a garden-variety deleted file :: recovery utility got them back. :: :: David Gillett :: :: ::: -----Original Message----- ::: From: Herman Frederick Ebeling, Jr. [mailto:hfebelingjr () lycos com] ::: Sent: Monday, October 17, 2005 4:26 PM ::: To: security-basics () securityfocus com ::: Subject: Hard drives v. CF/Smart media/etc. ::: ::: ::: -----BEGIN PGP SIGNED MESSAGE----- ::: Hash: SHA1 ::: ::: Here's a good question that I don't think I've seen any ::: articles on. As we all know even though that just because a ::: file is "deleted" from a HD doesn't mean that the info is ::: really "deleted" as it can (depending on how badly someone ::: wants to) be recovered. Does the same hold true for CF/Smart media/etc. ::: types of media? ::: ::: Herman ::: ::: -----BEGIN PGP SIGNATURE----- ::: Version: PGP 8.0.3 ::: ::: iQA/AwUBQ1Qw2h/i52nbE9vTEQLdgwCffPxDF1rD3hx8kpaNq5uYro8647IAoL3H ::: Wfht/XL5GxoPLbli59+iKmzM =UIqO ::: -----END PGP SIGNATURE----- -----BEGIN PGP SIGNATURE----- Version: PGP 8.0.3 iQA/AwUBQ1V2Cx/i52nbE9vTEQJQlwCgsCzlbp5+fLUSfA9ADFq3qhf/GLYAoIVj ArRJ1/ADXuZ2R6P/wLNflTD4 =Gj7X -----END PGP SIGNATURE-----
Current thread:
- RE: Wireless Security, (continued)
- RE: Wireless Security David Gillett (Oct 13)
- RE: Wireless Security Herman Frederick Ebeling, Jr. (Oct 13)
- RE: Wireless Security David Gillett (Oct 14)
- RE: Wireless Security Herman Frederick Ebeling, Jr. (Oct 14)
- RE: Wireless Security David Gillett (Oct 17)
- RE: Wireless Security Herman Frederick Ebeling, Jr. (Oct 17)
- Hard drives v. CF/Smart media/etc. Herman Frederick Ebeling, Jr. (Oct 18)
- RE: Hard drives v. CF/Smart media/etc. David Gillett (Oct 18)
- Re: Hard drives v. CF/Smart media/etc. Robert Reed (Oct 18)
- Re: Hard drives v. CF/Smart media/etc. Alloishus BeauMains (Oct 18)
- RE: Hard drives v. CF/Smart media/etc. Herman Frederick Ebeling, Jr. (Oct 18)
- Re: Hard drives v. CF/Smart media/etc. Alloishus BeauMains (Oct 18)
- Message not available
- Re: Hard drives v. CF/Smart media/etc. Alloishus BeauMains (Oct 21)
- RE: Hard drives v. CF/Smart media/etc. Herman Frederick Ebeling, Jr. (Oct 21)
- RE: Wireless Security Herman Frederick Ebeling, Jr. (Oct 13)
- RE: Wireless Security David Gillett (Oct 13)
- Re: Hard drives v. CF/Smart media/etc. Raoul Armfield (Oct 18)
- RE: Hard drives v. CF/Smart media/etc. Herman Frederick Ebeling, Jr. (Oct 18)
- Re: Hard drives v. CF/Smart media/etc. Raoul Armfield (Oct 21)
- Re: Hard drives v. CF/Smart media/etc. Micheal Espinola Jr (Oct 21)
- Re: Hard drives v. CF/Smart media/etc. FocusHacks (Oct 24)
- RE: Hard drives v. CF/Smart media/etc. Alexander Klimov (Oct 21)
- Re: Hard drives v. CF/Smart media/etc. crazy frog crazy frog (Oct 21)