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	<title>pseudonymity &#8211; Noise</title>
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		<title>The Decoupling Principle</title>
		<link>https://noise.getoto.net/2022/12/07/the-decoupling-principle/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Wed, 07 Dec 2022 12:04:41 +0000</pubDate>
				<category><![CDATA[academic papers]]></category>
		<category><![CDATA[anonymity]]></category>
		<category><![CDATA[authentication]]></category>
		<category><![CDATA[Privacy]]></category>
		<category><![CDATA[pseudonymity]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=66314</guid>

					<description><![CDATA[<p>This is a <a href="https://conferences.sigcomm.org/hotnets/2022/papers/hotnets22_schmitt.pdf">really interesting paper</a> that discusses what the authors call the Decoupling Principle:</p>
<blockquote><p>The idea is simple, yet previously not clearly articulated: to ensure privacy, information should be divided architecturally and institutionally such that each entity has only the information they need to perform their relevant function. Architectural decoupling entails splitting functionality for different fundamental actions in a system, such as decoupling authentication (proving who is allowed to use the network) from connectivity (establishing session state for communicating). Institutional decoupling entails splitting what information remains between non-colluding entities, such as distinct companies or network operators, or between a user and network peers. This decoupling makes service providers individually breach-proof, as they each have little or no sensitive data that can be lost to hackers. Put simply, the Decoupling Principle suggests always separating who you are from what you do...</p></blockquote>]]></description>
		
		
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		<title>De-anonymization Story</title>
		<link>https://noise.getoto.net/2021/07/28/de-anonymization-story/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Wed, 28 Jul 2021 11:03:57 +0000</pubDate>
				<category><![CDATA[data collection]]></category>
		<category><![CDATA[de-anonymization]]></category>
		<category><![CDATA[geolocation]]></category>
		<category><![CDATA[Privacy]]></category>
		<category><![CDATA[pseudonymity]]></category>
		<category><![CDATA[surveillance]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=63505</guid>

					<description><![CDATA[<p>This is <a href="https://arstechnica.com/tech-policy/2021/07/catholic-priest-quits-after-anonymized-data-revealed-alleged-use-of-grindr/">important</a>:</p>
<blockquote><p>Monsignor Jeffrey Burrill was general secretary of the US Conference of Catholic Bishops (USCCB), effectively the highest-ranking priest in the US who is not a bishop, before records of Grindr usage obtained from data brokers was correlated with his apartment, place of work, vacation home, family members’ addresses, and more.</p>
<p>[…]</p>
<p>The data that resulted in Burrill’s ouster was <a href="https://www.pillarcatholic.com/p/pillar-investigates-usccb-gen-sec">reportedly obtained</a> through legal means. Mobile carriers sold­ — and still sell — ­location data to brokers who aggregate it and sell it to a range of buyers, including advertisers, ...</p></blockquote>]]></description>
		
		
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