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<channel>
	<title>cell phones &#8211; Noise</title>
	<atom:link href="https://noise.getoto.net/tag/cell-phones/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>First Wap: A Surveillance Computer You’ve Never Heard Of</title>
		<link>https://noise.getoto.net/2025/10/27/first-wap-a-surveillance-computer-youve-never-heard-of/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Mon, 27 Oct 2025 11:08:11 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[Privacy]]></category>
		<category><![CDATA[surveillance]]></category>
		<category><![CDATA[tracking]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=71049</guid>

					<description><![CDATA[<p><i>Mother Jones</i> has a <a href="https://www.motherjones.com/politics/2025/10/firstwap-altamides-phone-tracking-surveillance-secrets-assad-erik-prince-jared-leto-anne-wojcicki/">long article</a> on surveillance arms manufacturers, their wares, and how they avoid export control laws:</p>
<blockquote><p>Operating from their base in Jakarta, where permissive export laws have allowed their surveillance business to flourish, First Wap’s European founders and executives have quietly built a phone-tracking empire, with a footprint extending from the Vatican to the Middle East to Silicon Valley.</p>
<p>It calls its proprietary system Altamides, which it describes in promotional materials as “a unified platform to covertly locate the whereabouts of single or multiple suspects in real-time, to detect movement patterns, and to detect whether suspects are in close vicinity with each other.”...</p></blockquote>]]></description>
		
		
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		<item>
		<title>A Surprising Amount of Satellite Traffic Is Unencrypted</title>
		<link>https://noise.getoto.net/2025/10/17/a-surprising-amount-of-satellite-traffic-is-unencrypted/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Fri, 17 Oct 2025 11:03:53 +0000</pubDate>
				<category><![CDATA[academic papers]]></category>
		<category><![CDATA[cell phones]]></category>
		<category><![CDATA[Data protection]]></category>
		<category><![CDATA[eavesdropping]]></category>
		<category><![CDATA[encryption]]></category>
		<category><![CDATA[infrastructure]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=71022</guid>

					<description><![CDATA[<p>Here’s the <a href="https://satcom.sysnet.ucsd.edu/">summary</a>:</p>
<blockquote><p>We pointed a commercial-off-the-shelf satellite dish at the sky and carried out the most comprehensive public study to date of geostationary satellite communication. A shockingly large amount of sensitive traffic is being broadcast unencrypted, including critical infrastructure, internal corporate and government communications, private citizens’ voice calls and SMS, and consumer Internet traffic from in-flight wifi and mobile networks. This data can be passively observed by anyone with a few hundred dollars of consumer-grade hardware. There are thousands of geostationary satellite transponders globally, and data from a single transponder may be visible from an area as large as 40% of the surface of the earth...</p></blockquote>]]></description>
		
		
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		<title>US Disrupts Massive Cell Phone Array in New York</title>
		<link>https://noise.getoto.net/2025/09/24/us-disrupts-massive-cell-phone-array-in-new-york/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Wed, 24 Sep 2025 11:09:19 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[cyberattack]]></category>
		<category><![CDATA[denial-of-service]]></category>
		<category><![CDATA[infrastructure]]></category>
		<category><![CDATA[Telecom]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=70863</guid>

					<description><![CDATA[<p>This is a <a href="https://www.bbc.com/news/articles/cn4w0d8zz22o">weird story</a>:</p>
<blockquote><p>The US Secret Service disrupted a network of telecommunications devices that could have shut down cellular systems as leaders gather for the United Nations General Assembly in New York City.</p>
<p>The agency said on Tuesday that last month it found more than 300 SIM servers and 100,000 SIM cards that could have been used for telecom attacks within the area encompassing parts of New York, New Jersey and Connecticut.</p>
<p>“This network had the power to disable cell phone towers and essentially shut down the cellular network in New York City,” said special agent in charge Matt McCool...</p></blockquote>]]></description>
		
		
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		<title>Eavesdropping on Phone Conversations Through Vibrations</title>
		<link>https://noise.getoto.net/2025/08/18/eavesdropping-on-phone-conversations-through-vibrations/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Mon, 18 Aug 2025 11:02:55 +0000</pubDate>
				<category><![CDATA[academic papers]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[cell phones]]></category>
		<category><![CDATA[eavesdropping]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=70596</guid>

					<description><![CDATA[Researchers have managed to eavesdrop on cell phone voice conversations by using radar to detect vibrations. It&#8217;s more a proof of concept than anything else. The radar detector is only ten feet away, the setup is stylized, and accuracy is poor. B...]]></description>
		
		
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		<item>
		<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>Rayhunter: Device to Detect Cellular Surveillance</title>
		<link>https://noise.getoto.net/2025/03/07/rayhunter-device-to-detect-cellular-surveillance/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Fri, 07 Mar 2025 17:03:17 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[eff]]></category>
		<category><![CDATA[Privacy]]></category>
		<category><![CDATA[surveillance]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=69983</guid>

					<description><![CDATA[The EFF has created an open-source hardware tool to detect IMSI catchers: fake cell phone towers that are used for mass surveillance of an area.
It runs on a $20 mobile hotspot.
]]></description>
		
		
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		<item>
		<title>What Graykey Can and Can’t Unlock</title>
		<link>https://noise.getoto.net/2024/11/26/what-graykey-can-and-cant-unlock/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Tue, 26 Nov 2024 12:01:41 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[Forensics]]></category>
		<category><![CDATA[hacking]]></category>
		<category><![CDATA[iPhone]]></category>
		<category><![CDATA[law enforcement]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=69619</guid>

					<description><![CDATA[<p>This is from <a href="https://www.404media.co/leaked-documents-show-what-phones-secretive-tech-graykey-can-unlock-2/">404 Media</a>:</p>
<blockquote><p>The Graykey, a phone unlocking and forensics tool that is used by law enforcement around the world, is only able to retrieve partial data from all modern iPhones that run iOS 18 or iOS 18.0.1, which are two recently released versions of Apple’s mobile operating system, according to documents describing the tool’s capabilities in granular detail obtained by 404 Media. The documents do not appear to contain information about what Graykey can access from the public release of iOS 18.1, which was released on October 28.</p></blockquote>
<p>More ...</p>]]></description>
		
		
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		<item>
		<title>Canadian Citizen Gets Phone Back from Police</title>
		<link>https://noise.getoto.net/2024/01/18/canadian-citizen-gets-phone-back-from-police/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Thu, 18 Jan 2024 12:02:21 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[courts]]></category>
		<category><![CDATA[law enforcement]]></category>
		<category><![CDATA[passwords]]></category>
		<category><![CDATA[phones]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=68319</guid>

					<description><![CDATA[After 175 million failed password guesses, a judge rules that the Canadian police must return a suspect&#8217;s phone.
[Judge] Carter said the investigation can continue without the phones, and he noted that Ottawa police have made a formal request to ...]]></description>
		
		
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		<title>Tracking Down a Suspect through Cell Phone Records</title>
		<link>https://noise.getoto.net/2023/07/17/tracking-down-a-suspect-through-cell-phone-records/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Mon, 17 Jul 2023 11:13:03 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[crime]]></category>
		<category><![CDATA[Forensics]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=67549</guid>

					<description><![CDATA[<p>Interesting <a href="https://www.cnn.com/2023/07/14/us/gilgo-beach-murders-suspect-arrest/index.html">forensics</a> in connection with a serial killer arrest:</p>
<blockquote><p>Investigators went through phone records collected from both midtown Manhattan and the Massapequa Park area of Long Island—two areas connected to a “burner phone” they had tied to the killings. (In court, prosecutors later said the burner phone was identified via an email account used to “solicit and arrange for sexual activity.” The victims had all been Craigslist escorts, according to officials.)</p>
<p>They then narrowed records collected by cell towers to thousands, then to hundreds, and finally down to a handful of people who could match a suspect in the killings...</p></blockquote>]]></description>
		
		
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		<title>French Police Will Be Able to Spy on People through Their Cell Phones</title>
		<link>https://noise.getoto.net/2023/07/13/french-police-will-be-able-to-spy-on-people-through-their-cell-phones/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Thu, 13 Jul 2023 11:20:19 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[France]]></category>
		<category><![CDATA[geolocation]]></category>
		<category><![CDATA[Privacy]]></category>
		<category><![CDATA[surveillance]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=67537</guid>

					<description><![CDATA[<p>The French police are getting <a href="https://www.lemonde.fr/en/france/article/2023/07/06/france-set-to-allow-police-to-spy-through-phones_6044269_7.html">new surveillance powers</a>:</p>
<blockquote><p>French police should be able to spy on suspects by remotely activating the camera, microphone and GPS of their phones and other devices, lawmakers agreed late on Wednesday, July 5.</p>
<p>[…]</p>
<p>Covering laptops, cars and other connected objects as well as phones, the measure would allow the geolocation of suspects in crimes punishable by at least five years’ jail. Devices could also be remotely activated to record sound and images of people suspected of terror offenses, as well as delinquency and organized crime...</p></blockquote>]]></description>
		
		
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		<title>FBI Advising People to Avoid Public Charging Stations</title>
		<link>https://noise.getoto.net/2023/04/12/fbi-advising-people-to-avoid-public-charging-stations/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Wed, 12 Apr 2023 11:11:48 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[fbi]]></category>
		<category><![CDATA[Malware]]></category>
		<category><![CDATA[smartphones]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[usb]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=67187</guid>

					<description><![CDATA[<p>The <a href="https://twitter.com/FBIDenver/status/1643947117650538498">FBI is warning people</a> against using public phone-charging stations, worrying that the combination power-data port can be used to inject malware onto the devices:</p>
<blockquote><p>Avoid using free charging stations in airports, hotels, or shopping centers. Bad actors have figured out ways to use public USB ports to introduce malware and monitoring software onto devices that access these ports. Carry your own charger and USB cord and use an electrical outlet instead.</p></blockquote>
<p>How much of a risk is this, really? I am unconvinced, although I do carry a <a href="https://www.zdnet.com/article/get-yourself-a-usb-condom/">USB condom</a> for charging stations I find suspicious...</p>]]></description>
		
		
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		<title>Identifying People Using Cell Phone Location Data</title>
		<link>https://noise.getoto.net/2023/01/09/identifying-people-using-cell-phone-location-data/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Mon, 09 Jan 2023 12:14:01 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[geolocation]]></category>
		<category><![CDATA[law enforcement]]></category>
		<category><![CDATA[tracking]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=66485</guid>

					<description><![CDATA[<p>The two people who shut down four Washington power stations in December <a href="https://www.cnn.com/2023/01/03/politics/washington-power-substation-attacks/index.html">were arrested</a>. This is the interesting part:</p>
<blockquote><p>Investigators identified Greenwood and Crahan almost immediately after the attacks took place by using cell phone data that allegedly showed both men in the vicinity of all four substations, according to court documents.</p></blockquote>
<p>Nowadays, it seems like an obvious thing to do—although the search is probably <a href="https://www.webpronews.com/judges-rules-blanket-cellphone-location-tracking-is-unconstitutional/">unconstitutional</a>. But way back in 2012, the Canadian CSEC—that’s their NSA—did some top-secret work on this kind of thing. The document is part of the Snowden archive, and I ...</p>]]></description>
		
		
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		<title>Ukraine Intercepting Russian Soldiers’ Cell Phone Calls</title>
		<link>https://noise.getoto.net/2022/12/21/ukraine-intercepting-russian-soldiers-cell-phone-calls/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Wed, 21 Dec 2022 12:09:29 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[eavesdropping]]></category>
		<category><![CDATA[iPhone]]></category>
		<category><![CDATA[russia]]></category>
		<category><![CDATA[smartphones]]></category>
		<category><![CDATA[Ukraine]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=66398</guid>

					<description><![CDATA[<p>They’re using commercial phones, which go through the <a href="https://www.theguardian.com/world/2022/dec/20/we-were-allowed-to-be-slaughtered-calls-by-russian-forces-intercepted">Ukrainian telecom network</a>:</p>
<blockquote><p>“You still have a lot of soldiers bringing cellphones to the frontline who want to talk to their families and they are either being intercepted as they go through a Ukrainian telecommunications provider or intercepted over the air,” said Alperovitch. “That doesn’t pose too much difficulty for the Ukrainian security services.”</p>
<p>[…]</p>
<p>“Security has always been a mess, both in the army and among defence officials,” the source said. “For example, in 2013 they tried to get all the staff at the ministry of defence to replace our iPhones with Russian-made Yoto smartphones...</p></blockquote>]]></description>
		
		
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		<title>Qatar Spyware</title>
		<link>https://noise.getoto.net/2022/10/18/qatar-spyware/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Tue, 18 Oct 2022 11:57:04 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[qatar]]></category>
		<category><![CDATA[sports]]></category>
		<category><![CDATA[spyware]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=65985</guid>

					<description><![CDATA[<p>Everyone visiting Qatar for the World Cup needs to install <a href="https://www.nrk.no/sport/everyone-going-to-the-world-cup-must-have-this-app%E2%80%94experts-are-now-sounding-the-alarm-1.16139267">spyware</a> on their phone.</p>
<blockquote><p>Everyone travelling to Qatar during the football World Cup will be asked to download two apps called Ehteraz and Hayya.</p>
<p>Briefly, Ehteraz is an covid-19 tracking app, while Hayya is an official World Cup app used to keep track of match tickets and to access the free Metro in Qatar.</p>
<p>In particular, the covid-19 app Ehteraz asks for access to several rights on your mobile., like access to read, delete or change all content on the phone, as well as access to connect to WiFi and Bluetooth, override other apps and prevent the phone from switching off to sleep mode...</p></blockquote>]]></description>
		
		
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		<title>Large-Scale Collection of Cell Phone Data at US Borders</title>
		<link>https://noise.getoto.net/2022/09/19/large-scale-collection-of-cell-phone-data-at-us-borders/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Mon, 19 Sep 2022 11:07:38 +0000</pubDate>
				<category><![CDATA[borders]]></category>
		<category><![CDATA[cell phones]]></category>
		<category><![CDATA[Privacy]]></category>
		<category><![CDATA[searches]]></category>
		<category><![CDATA[surveillance]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=65882</guid>

					<description><![CDATA[<p>The <i>Washington Post</i> is <a href="https://www.washingtonpost.com/technology/2022/09/15/government-surveillance-database-dhs/">reporting</a> that the US Customs and Border Protection agency is seizing and copying cell phone, tablet, and computer data from “as many as” 10,000 phones per year, including an unspecified number of American citizens. This is done without a warrant, because “…courts have long granted an exception to border authorities, allowing them to search people’s devices without a warrant or suspicion of a crime.”</p>
<blockquote><p>CBP’s inspection of people’s phones, laptops, tablets and other electronic devices as they enter the country has long been a controversial practice that the agency has defended as a low-impact way to pursue possible security threats and determine an individual’s “intentions upon entry” into the U.S. But the revelation that thousands of agents have access to a searchable database without public oversight is a new development in what privacy advocates and some lawmakers warn could be an infringement of Americans’ Fourth Amendment rights against unreasonable searches and seizures...</p></blockquote>]]></description>
		
		
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		<title>Signal Phone Numbers Exposed in Twilio Hack</title>
		<link>https://noise.getoto.net/2022/08/23/signal-phone-numbers-exposed-in-twilio-hack/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Tue, 23 Aug 2022 11:30:40 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[Data Breaches]]></category>
		<category><![CDATA[hacking]]></category>
		<category><![CDATA[signal]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=65797</guid>

					<description><![CDATA[<p>Twilio was hacked earlier this month, and the phone numbers of 1,900 Signal users <a href="https://techcrunch.com/2022/08/15/signal-phone-number-exposed-twilio/">were</a> <a href="https://support.signal.org/hc/en-us/articles/4850133017242">exposed</a>:</p>
<blockquote><p>Here’s what our users need to know:</p>
<ul>
<li>All users can rest assured that their message history, contact lists, profile information, whom they’d blocked, and other personal data remain private and secure and were not affected.
</li><li>For about 1,900 users, an attacker could have attempted to re-register their number to another device or learned that their number was registered to Signal. This attack has since been shut down by Twilio. 1,900 users is a very small percentage of Signal’s total users, meaning that most were not affected...</li></ul></blockquote>]]></description>
		
		
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		<title>China’s Olympics App Is Horribly Insecure</title>
		<link>https://noise.getoto.net/2022/01/21/chinas-olympics-app-is-horribly-insecure/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Fri, 21 Jan 2022 12:06:37 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[china]]></category>
		<category><![CDATA[data collection]]></category>
		<category><![CDATA[encryption]]></category>
		<category><![CDATA[Privacy]]></category>
		<category><![CDATA[sports]]></category>
		<category><![CDATA[surveillance]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=64934</guid>

					<description><![CDATA[<p>China is mandating that athletes download and use a health and travel app when they attend the Winter Olympics next month. Citizen Lab <a href="https://citizenlab.ca/2022/01/cross-country-exposure-analysis-my2022-olympics-app/">examined the app</a> and found it riddled with security holes.</p>
<blockquote><p>Key Findings:</p>
<ul>
<li>MY2022, an app mandated for use by all attendees of the 2022 Olympic Games in Beijing, has a simple but devastating flaw where encryption protecting users’ voice audio and file transfers can be trivially sidestepped. Health customs forms which transmit passport details, demographic information, and medical and travel history are also vulnerable. Server responses can also be spoofed, allowing an attacker to display fake instructions to users.
...</li></ul></blockquote>]]></description>
		
		
		<enclosure url="" length="0" type="" />

			</item>
		<item>
		<title>Law Enforcement Access to Chat Data and Metadata</title>
		<link>https://noise.getoto.net/2021/12/10/law-enforcement-access-to-chat-data-and-metadata/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Fri, 10 Dec 2021 12:37:29 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[fbi]]></category>
		<category><![CDATA[law enforcement]]></category>
		<category><![CDATA[metadata]]></category>
		<category><![CDATA[Privacy]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=64627</guid>

					<description><![CDATA[<p>A January 2021 FBI <a href="https://propertyofthepeople.org/document-detail/?doc-id=21114562">document</a> outlines what types of data and metadata can be lawfully obtained by the FBI from messaging apps. <i>Rolling Stone</i> <a href="https://www.rollingstone.com/politics/politics-features/whatsapp-imessage-facebook-apple-fbi-privacy-1261816/">broke</a> the story and it’s been written about <a href="https://reason.com/2021/12/07/secret-documents-show-which-message-apps-are-the-most-fbi-proof/">elsewhere</a>.</p>
<p>I don’t see a lot of surprises in the document. Lots of apps leak all sorts of metadata: iMessage and WhatsApp seem to be the worst. Signal protects the most metadata. End-to-end encrypted message content can be available if the user uploads it to an unencrypted backup server.</p>
<p>EDITED TO ADD (12/13): <a href="https://therecord.media/fbi-document-shows-what-data-can-be-obtained-from-encrypted-messaging-apps/">Here’s</a> a more legible copy of the text.</p>
...]]></description>
		
		
		<enclosure url="" length="0" type="" />

			</item>
		<item>
		<title>On Cell Phone Metadata</title>
		<link>https://noise.getoto.net/2021/11/02/on-cell-phone-metadata/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Tue, 02 Nov 2021 11:28:21 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[identification]]></category>
		<category><![CDATA[tracking]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=63830</guid>

					<description><![CDATA[Interesting Twitter thread on how cell phone metadata can be used to identify and track people who don&#8217;t want to be identified and tracked.
]]></description>
		
		
		<enclosure url="" length="0" type="" />

			</item>
		<item>
		<title>How the FBI Gets Location Information</title>
		<link>https://noise.getoto.net/2021/10/27/how-the-fbi-gets-location-information/</link>
		
		<dc:creator><![CDATA[Bruce Schneier]]></dc:creator>
		<pubDate>Wed, 27 Oct 2021 14:01:57 +0000</pubDate>
				<category><![CDATA[cell phones]]></category>
		<category><![CDATA[fbi]]></category>
		<category><![CDATA[geolocation]]></category>
		<category><![CDATA[law enforcement]]></category>
		<category><![CDATA[leaks]]></category>
		<category><![CDATA[Privacy]]></category>
		<category><![CDATA[surveillance]]></category>
		<category><![CDATA[tracking]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.schneier.com/?p=63812</guid>

					<description><![CDATA[Vice has a detailed article about how the FBI gets data from cell phone providers like AT&#38;T, T-Mobile, and Verizon, based on a leaked (I think) 2019 139-page presentation.
]]></description>
		
		
		<enclosure url="" length="0" type="" />

			</item>
	</channel>
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