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Lexikon


SYSKEY


erating system, security> A utility that ef="module.php?name=Lexikon&file=search&eid=1&query=encrpyts">encrpyts the ef="module.php?name=Lexikon&file=search&eid=1&query=hashed">hashed ef="module.php?name=Lexikon&file=search&eid=1&query=password">password information in a ef="module.php?name=Lexikon&file=search&eid=1&query=SAM">SAM database using a 128-bit ef="module.php?name=Lexikon&file=search&eid=1&query=encryption key">encryption key. SYSKeY was an optional feature added in ef="module.php?name=Lexikon&file=search&eid=1&query=Windows NT">Windows NT 4.0 SP3. It was meant to protect against ef="module.php?name=Lexikon&file=search&eid=1&query=offline">offline password ef="module.php?name=Lexikon&file=search&eid=1&query=cracking">cracking attacks so that the SAM database would still be secure even if someone had a copy of it. However, in December 1999, a security team from ef="http://www.bindview.com/">BindView found a security hole in SYSKeY which indicates that a certain form of ef="module.php?name=Lexikon&file=search&eid=1&query=cryptoanalytic">cryptoanalytic attack is possible offline. A ef="module.php?name=Lexikon&file=search&eid=1&query=brute-force attack">brute-force attack then appeared to be possible. Microsoft later collaborated with BindView to issue a fix (dubbed the ' Syskey Bug' ) which appears to have been settled and SYSKeY pronounced secure enough to resist brute-force attack. According to Todd Sabin of the BindView team RAZOR, the pre-RC3 versions of ef="module.php?name=Lexikon&file=search&eid=1&query=Windows 2000">Windows 2000 were also affected. {BindView Security Advisory (http://packetstorm.securify.com/9912-exploits/bindview.syskey.txt)}. {BindView press release (http://www.bindview.com/news/99/1222.html)}. {Microsoft bulletin (http://www.microsoft.com/Security/Bulletins/ms99-056.asp)}. (2000-07-16)

e="border-width:thin; border-color:#333333; border-style:dashed; padding:5px;" align="left">In addition suitable contents:
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ef="module.php?name=Lexikon&op=content&tid=8384">N ] [ ef="module.php?name=Lexikon&op=content&tid=8386">na ] [ ef="module.php?name=Lexikon&op=content&tid=8460">nc ] [ ef="module.php?name=Lexikon&op=content&tid=8472">ne ] [ ef="module.php?name=Lexikon&op=content&tid=8599">news ] [ ef="module.php?name=Lexikon&op=content&tid=8622">nf ] [ ef="module.php?name=Lexikon&op=content&tid=8627">ng ] [ ef="module.php?name=Lexikon&op=content&tid=8675">no ] [ ef="module.php?name=Lexikon&op=content&tid=8760">ns ] [ ef="module.php?name=Lexikon&op=content&tid=8774">NT ] [ ef="module.php?name=Lexikon&op=content&tid=8820">O ] [ ef="module.php?name=Lexikon&op=content&tid=8964">om ] [ ef="module.php?name=Lexikon&op=content&tid=9014">op ] [ ef="module.php?name=Lexikon&op=content&tid=9061">operating system ] [ ef="module.php?name=Lexikon&op=content&tid=9097">option ] [ ef="module.php?name=Lexikon&op=content&tid=9100">OR ] [ ef="module.php?name=Lexikon&op=content&tid=9204">pa ] [ 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