Packet Storm - Information Security News, Files, Tools, Exploits, Advisories and Whitepapers http://packetstormsecurity.org/ en-us Mon, 28 May 2012 03:56:44 GMT 144400 http://packetstormsecurity.org/ http://www.google-analytics.com/__utm.gif?utmwv=1.3&utmn=1523789316&utmcs=ISO-8859-1&utmsr=31337x31337&utmsc=32-bit&utmul=en-us&utmje=0&utmfl=-&utmcn=1&utmdt=Files%u2248%20Packet%20Storm&utmhn=packetstormsecurity.org&utmr=-&utmp=%2FUNIX%2Fsecure_delete%2Fwipe%2Fwipe-0.16.tar.gz%2F&utmac=UA-18885198-1&utmcc=__utma%3D32867617.1523789316.1338177404.1338177404.1338177404.1%3B%2B__utmz%3D32867617.1338177404.1.1.utmccn%3D(direct)%7Cutmcsr%3D(direct)%7Cutmcmd%3D(none) http://packetstormsecurity.org/files/10175/wipe-0.16.tar.gz http://packetstormsecurity.org/files/10175/wipe-0.16.tar.gz http://packetstormsecurity.org/files/10175/wipe-0.16.tar.gz.html Thu, 30 Dec 1999 21:23:07 GMT Recovery of supposedly erased data from magnetic media is easier than what many people would like to believe. A technique called Magnetic Force Microscopy (MFM) allows any moderately funded opponent recover the last two or three layers of data written to disk. Wipe repeadetly overwrites special patterns to the files to be destroyed, using the fsync() call and/or the O_SYNC bit to force disk access.