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	<title>Cryptosmith &#187; trustworthy computing</title>
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	<link>http://www.cryptosmith.com</link>
	<description>Authentication, crypto, information security, and life with gadgets - Rick Smith</description>
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		<title>Cloud Computing Discovers Covert Channels</title>
		<link>http://www.cryptosmith.com/archives/787</link>
		<comments>http://www.cryptosmith.com/archives/787#comments</comments>
		<pubDate>Tue, 15 Sep 2009 16:56:40 +0000</pubDate>
		<dc:creator>Dr. Rick Smith</dc:creator>
				<category><![CDATA[History of Technology]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[covert channels]]></category>
		<category><![CDATA[cross domain security]]></category>
		<category><![CDATA[DEC]]></category>
		<category><![CDATA[MLS]]></category>
		<category><![CDATA[multilevel security]]></category>
		<category><![CDATA[trustworthy computing]]></category>
		<category><![CDATA[Vax]]></category>
		<category><![CDATA[virtual machines]]></category>

		<guid isPermaLink="false">http://www.cryptosmith.com/?p=787</guid>
		<description><![CDATA[A SANS Handler Notebook entry by Toby Kohlenberg reports on data leakage in cloud computing, and links to a terrific paper from some UCSD/MIT people: Ristenpart, Tromer, Shacham, and Savage. If we set the wayback machine to the early 1970s, we find a paper by Butler Lampson about something called the confinement problem. It&#8217;s the [...]]]></description>
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		<title>Time &#8211; Again &#8211; For Trustworthy Computing</title>
		<link>http://www.cryptosmith.com/archives/734</link>
		<comments>http://www.cryptosmith.com/archives/734#comments</comments>
		<pubDate>Fri, 21 Aug 2009 14:41:22 +0000</pubDate>
		<dc:creator>Dr. Rick Smith</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[assurance]]></category>
		<category><![CDATA[authentication]]></category>
		<category><![CDATA[tokens]]></category>
		<category><![CDATA[trustworthy computing]]></category>
		<category><![CDATA[worms]]></category>

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		<description><![CDATA[Saul Hansell of the Washington Post has posted an article about real time attacks on one-time password tokens like SecurID and SafeWord. The strategy is to steal a user&#8217;s one-time password after it is typed in and redirect it to a hacker to exploit immediately. The attack relies on Trojan software that has installed itself [...]]]></description>
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		<title>LOCK &#8211; A trusted computing system</title>
		<link>http://www.cryptosmith.com/archives/179</link>
		<comments>http://www.cryptosmith.com/archives/179#comments</comments>
		<pubDate>Wed, 18 Jul 2007 19:19:23 +0000</pubDate>
		<dc:creator>Rick (l) Smith</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[evaluations]]></category>
		<category><![CDATA[LOCK]]></category>
		<category><![CDATA[MLS]]></category>
		<category><![CDATA[Secure Computing Corporation]]></category>
		<category><![CDATA[SELinux]]></category>
		<category><![CDATA[Sidewinder]]></category>
		<category><![CDATA[trustworthy computing]]></category>

		<guid isPermaLink="false">http://www.cryptosmith.com/?p=179</guid>
		<description><![CDATA[The LOCK project (short for LOgical Coprocessing Kernel) developed a &#8220;trusted computing system&#8221; that implemented multilevel security. LOCK was intended to exceed the requirements for an &#8220;A1&#8243; system as defined by the old Trusted Computing System Evaluation Criteria (a.k.a. the TCSEC or &#8220;Orange Book&#8221;). The project was modestly successful in that we actually deployed a [...]]]></description>
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		<title>Multilevel Security and Internet Servers</title>
		<link>http://www.cryptosmith.com/archives/181</link>
		<comments>http://www.cryptosmith.com/archives/181#comments</comments>
		<pubDate>Tue, 19 Jun 2007 02:19:35 +0000</pubDate>
		<dc:creator>Rick (l) Smith</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[chroot]]></category>
		<category><![CDATA[MLS]]></category>
		<category><![CDATA[Secure Computing Corporation]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Sidewinder]]></category>
		<category><![CDATA[trustworthy computing]]></category>
		<category><![CDATA[type enforcement]]></category>

		<guid isPermaLink="false">http://www.cryptosmith.com/?p=181</guid>
		<description><![CDATA[I wrote the following message as part of a discussion on the old Firewalls mailing list in 1996. The message was part of a discussion on the use of MLS technology to protect Internet servers from attack. The basic concepts still apply in some ways, though the threats have evolved in many other ways. The [...]]]></description>
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