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	<title>operational security &#8211; Noise</title>
	<atom:link href="https://noise.getoto.net/tag/operational-security/feed/" rel="self" type="application/rss+xml" />
	<link>https://noise.getoto.net</link>
	<description>The collective thoughts of the interwebz</description>
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		<title>IACR Nullifies Election Because of Lost Decryption Key</title>
		<link>https://noise.getoto.net/2025/11/24/iacr-nullifies-election-because-of-lost-decryption-key/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Mon, 24 Nov 2025 12:03:46 +0000</pubDate>
				<category><![CDATA[encryption]]></category>
		<category><![CDATA[keys]]></category>
		<category><![CDATA[operational security]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[voting]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=71237</guid>

					<description><![CDATA[<p>The International Association of Cryptologic Research—the academic cryptography association that’s been putting conferences like Crypto (back when “crypto” meant “cryptography”) and Eurocrypt since the 1980s—had to <a href="https://www.iacr.org/news/item/27138">nullify</a> an online election when trustee Moti Yung lost his decryption key.</p>
<blockquote><p>For this election and in accordance with the bylaws of the IACR, the three members of the IACR 2025 Election Committee acted as independent trustees, each holding a portion of the cryptographic key material required to jointly decrypt the results. This aspect of Helios’ design ensures that no two trustees could collude to determine the outcome of an election or the contents of individual votes on their own: all trustees must provide their decryption shares...</p></blockquote>]]></description>
		
		
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		<title>Louvre Jewel Heist</title>
		<link>https://noise.getoto.net/2025/10/27/louvre-jewel-heist/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Mon, 27 Oct 2025 15:03:15 +0000</pubDate>
				<category><![CDATA[France]]></category>
		<category><![CDATA[operational security]]></category>
		<category><![CDATA[theft]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=71093</guid>

					<description><![CDATA[<p>I assume I don’t have to explain last week’s <a href="https://www.nytimes.com/2025/10/19/world/europe/louvre-paris-robbery.html">Louvre jewel heist</a>. I love a good caper, and have (like <a href="https://www.nytimes.com/2025/10/23/opinion/louvre-heist-internet-thrill.html">many others</a>) eagerly followed the <a href="https://www.theguardian.com/world/2025/oct/20/louvre-museum-robbery-thieves-stolen-jewellery">details</a>. An electric ladder to a second-floor window, an angle grinder to get into the room and the display cases, security guards there more to protect patrons than valuables—seven minutes, in and out.</p>
<p>There were <a href="https://www.theatlantic.com/ideas/archive/2025/10/praise-louvre-heist/684677/">security lapses</a>:</p>
<blockquote><p>The Louvre, it turns out—at least certain nooks of the ancient former palace—is something like an anopticon: a place where no one is observed. The world now knows what the four thieves (two burglars and two accomplices) realized as recently as last week: The museum’s Apollo Gallery, which housed the stolen items, was monitored by a single outdoor camera angled away from its only exterior point of entry, a balcony. In other words, a free-roaming Roomba could have provided the world’s most famous museum with more information about the interior of this space. There is no surveillance footage of the break-in...</p></blockquote>]]></description>
		
		
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		<title>Cell Phone OPSEC for Border Crossings</title>
		<link>https://noise.getoto.net/2025/04/01/cell-phone-opsec-for-border-crossings/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Tue, 01 Apr 2025 11:01:36 +0000</pubDate>
				<category><![CDATA[borders]]></category>
		<category><![CDATA[cell phones]]></category>
		<category><![CDATA[operational security]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=70059</guid>

					<description><![CDATA[<p>I have heard stories of more aggressive interrogation of electronic devices at US border crossings. I know a lot about securing computers, but very little about securing phones.</p>
<p>Are there easy ways to delete data—files, photos, etc.—on phones so it can’t be recovered? Does resetting a phone to factory defaults erase data, or is it still recoverable? That is, does the reset erase the old encryption key, or just sever the password that access that key? When the phone is rebooted, are deleted files still available?</p>
<p>We need answers for both iPhones and Android phones. And it’s not just the US; the world is going to become a more dangerous place to oppose state power...</p>]]></description>
		
		
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		<title>Friday Squid Blogging: Influencer Accidentally Posts Restaurant Table QR Ordering Code</title>
		<link>https://noise.getoto.net/2023/12/09/friday-squid-blogging-influencer-accidentally-posts-restaurant-table-qr-ordering-code/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Fri, 08 Dec 2023 22:03:06 +0000</pubDate>
				<category><![CDATA[operational security]]></category>
		<category><![CDATA[restaurants]]></category>
		<category><![CDATA[squid]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=68182</guid>

					<description><![CDATA[<p>Another rare security + squid <a href="https://www.foodandwine.com/diner-shares-qr-code-for-restaurant-to-social-media-8410442">story</a>:</p>
<blockquote><p>The woman—who has only been identified by her surname, Wang—was having a meal with friends at a hotpot restaurant in Kunming, a city in southwest China. When everyone’s selections arrived at the table, she posted a photo of the spread on the Chinese social media platform WeChat. What she didn’t notice was that she’d included the QR code on her table, which the restaurant’s customers use to place their orders.</p>
<p>Even though the photo was only shared with her WeChat friends list and not the entire social network, someone—or a lot of someones—used that QR code to add a ridiculous amount of food to her order. Wang was absolutely shocked to learn that “her” meal soon included 1,850 orders of duck blood, 2,580 orders of squid, and an absolutely bonkers 9,990 orders of shrimp paste...</p></blockquote>]]></description>
		
		
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		<title>Using Hacked LastPass Keys to Steal Cryptocurrency</title>
		<link>https://noise.getoto.net/2023/09/18/using-hacked-lastpass-keys-to-steal-cryptocurrency/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Mon, 18 Sep 2023 11:02:52 +0000</pubDate>
				<category><![CDATA[cryptocurrency]]></category>
		<category><![CDATA[operational security]]></category>
		<category><![CDATA[Password Safe]]></category>
		<category><![CDATA[passwords]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=67783</guid>

					<description><![CDATA[<p>Remember last November, when hackers <a href="https://www.theverge.com/2022/12/22/23523322/lastpass-data-breach-cloud-encrypted-password-vault-hackers">broke into</a> the network for LastPass—a password database—and stole password vaults with both encrypted and plaintext data for over 25 million users?</p>
<p>Well, they’re now <a href="https://krebsonsecurity.com/2023/09/experts-fear-crooks-are-cracking-keys-stolen-in-lastpass-breach/">using that data</a> break into crypto wallets and drain them: $35 million and counting, all going into a single wallet.</p>
<p>That’s a really profitable hack. (It’s also bad opsec. The hackers need to move and launder all that money quickly.)</p>
<p>Look, I know that online password databases are more convenient. But they’re also risky. This is why my <a href="https://www.schneier.com/academic/passsafe/">Password Safe...</a></p>]]></description>
		
		
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		<title>NSA on Supply Chain Security</title>
		<link>https://noise.getoto.net/2022/11/04/nsa-on-supply-chain-security/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Fri, 04 Nov 2022 14:16:51 +0000</pubDate>
				<category><![CDATA[infrastructure]]></category>
		<category><![CDATA[NSA]]></category>
		<category><![CDATA[operational security]]></category>
		<category><![CDATA[reports]]></category>
		<category><![CDATA[supply chain]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=66028</guid>

					<description><![CDATA[<p>The NSA (together with CISA) has <a href="https://www.nsa.gov/Press-Room/News-Highlights/Article/Article/3204427/esf-partners-nsa-and-cisa-release-software-supply-chain-guidance-for-suppliers/">published</a> a long report on supply-chain security: “<a href="https://media.defense.gov/2022/Oct/31/2003105368/-1/-1/0/SECURING_THE_SOFTWARE_SUPPLY_CHAIN_SUPPLIERS.PDF">Securing the Software Supply Chain: Recommended Practices Guide for Suppliers.</a>“:</p>
<blockquote><p>Prevention is often seen as the responsibility of the software developer, as they are required to securely develop and deliver code, verify third party components, and harden the build environment. But the supplier also holds a critical responsibility in ensuring the security and integrity of our software. After all, the software vendor is responsible for liaising between the customer and software developer. It is through this relationship that additional security features can be applied via contractual agreements, software releases and updates, notifications and mitigations of vulnerabilities...</p></blockquote>]]></description>
		
		
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		<title>Security Vulnerabilities in Covert CIA Websites</title>
		<link>https://noise.getoto.net/2022/09/30/security-vulnerabilities-in-covert-cia-websites/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Fri, 30 Sep 2022 14:19:16 +0000</pubDate>
				<category><![CDATA[cia]]></category>
		<category><![CDATA[Citizen Lab]]></category>
		<category><![CDATA[cyberespionage]]></category>
		<category><![CDATA[espionage]]></category>
		<category><![CDATA[operational security]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=65917</guid>

					<description><![CDATA[<p>Back in 2018, we learned that covert system of websites that the CIA used for communications was <a href="https://news.yahoo.com/cias-communications-suffered-catastrophic-compromise-started-iran-090018710.html/">compromised by</a>—at least—China and Iran, and that the blunder caused a bunch of arrests, imprisonments, and executions. We’re <a href="https://www.reuters.com/investigates/special-report/usa-spies-iran/">now learning</a> that the CIA is still “using an irresponsibly secured system for asset communication.”</p>
<p>Citizen Lab did the <a href="https://citizenlab.ca/2022/09/statement-on-the-fatal-flaws-found-in-a-defunct-cia-covert-communications-system/">research</a>:</p>
<blockquote><p>Using only a single website, as well as publicly available material such as historical internet scanning results and the Internet Archive’s Wayback Machine, we identified a network of 885 websites and have high confidence that the United States (US) Central Intelligence Agency (CIA) used these sites for covert communication...</p></blockquote>]]></description>
		
		
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		<title>Leaking Military Secrets on Gaming Discussion Boards</title>
		<link>https://noise.getoto.net/2022/06/08/leaking-military-secrets-on-gaming-discussion-boards/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Wed, 08 Jun 2022 11:17:47 +0000</pubDate>
				<category><![CDATA[games]]></category>
		<category><![CDATA[leaks]]></category>
		<category><![CDATA[military]]></category>
		<category><![CDATA[operational security]]></category>
		<category><![CDATA[secrecy]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=65501</guid>

					<description><![CDATA[People are leaking classified military information on discussion boards for the video game War Thunder to win arguments&#8212;repeatedly.
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		<title>On US Capitol Security — By Someone Who Manages Arena-Rock-Concert Security</title>
		<link>https://noise.getoto.net/2021/01/13/on-us-capitol-security-by-someone-who-manages-arena-rock-concert-security/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Wed, 13 Jan 2021 12:06:33 +0000</pubDate>
				<category><![CDATA[operational security]]></category>
		<category><![CDATA[physical security]]></category>
		<category><![CDATA[police]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=60727</guid>

					<description><![CDATA[<p>Smart <a href="https://www.nbcnews.com/think/opinion/capitol-police-were-so-unprepared-week-event-planner-me-could-ncna1253531">commentary</a>:</p>
<blockquote><p>…I was floored on Wednesday when, glued to my television, I saw police in some areas of the U.S. Capitol using little more than those same mobile gates I had ­ the ones that look like bike racks that can hook together ­ to try to keep the crowds away from sensitive areas and, later, push back people intent on accessing the grounds. (A <a href="https://www.nbcnews.com/video/fencing-goes-up-around-white-house-complex-one-day-after-capitol-riots-99106885915">new fence that appears to be made of sturdier material</a> was being erected on Thursday.) That’s the same equipment and approximately the same amount of force I was able to use when a group of fans got a little feisty and tried to get backstage at a Vanilla Ice show...</p></blockquote>]]></description>
		
		
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		<title>How China Uses Stolen US Personnel Data</title>
		<link>https://noise.getoto.net/2020/12/24/how-china-uses-stolen-us-personnel-data/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Thu, 24 Dec 2020 12:44:00 +0000</pubDate>
				<category><![CDATA[china]]></category>
		<category><![CDATA[espionage]]></category>
		<category><![CDATA[hacking]]></category>
		<category><![CDATA[intelligence]]></category>
		<category><![CDATA[operational security]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=60669</guid>

					<description><![CDATA[<p>Interesting <a href="https://foreignpolicy.com/2020/12/21/china-stolen-us-data-exposed-cia-operatives-spy-networks/">analysis</a> of China&#8217;s efforts to identify US spies:</p>
<blockquote><p>By about 2010, two former CIA officials recalled, the Chinese security services had instituted a sophisticated travel intelligence program, developing databases that tracked flights and passenger lists for espionage purposes. &#8220;We looked at it very carefully,&#8221; said the former senior CIA official. China&#8217;s spies &#8220;were actively using that for counterintelligence and offensive intelligence. The capability was there and was being utilized.&#8221; China had also stepped up its hacking efforts targeting biometric and passenger data from transit hubs&#8230;...</p></blockquote>]]></description>
		
		
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		<title>Investigating the Navalny Poisoning</title>
		<link>https://noise.getoto.net/2020/12/23/investigating-the-navalny-poisoning/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Wed, 23 Dec 2020 12:44:32 +0000</pubDate>
				<category><![CDATA[Forensics]]></category>
		<category><![CDATA[operational security]]></category>
		<category><![CDATA[russia]]></category>
		<category><![CDATA[traffic analysis]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=60646</guid>

					<description><![CDATA[Bellingcat has investigated the near-fatal poisoning of Alexey Navalny by the Russian FSB back in August. The details display some impressive traffic analysis. Navalny got a confession out of one of the poisoners, displaying some masterful social engin...]]></description>
		
		
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