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	<title>Martin Schwarzl &#8211; Noise</title>
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		<title>A revisit of remote Spectre attacks on Cloudflare Workers</title>
		<link>https://noise.getoto.net/2026/08/19/a-revisit-of-remote-spectre-attacks-on-cloudflare-workers/</link>
		
		<dc:creator><![CDATA[Martin Schwarzl]]></dc:creator>
		<pubDate>Wed, 19 Aug 2026 16:00:28 +0000</pubDate>
				<category><![CDATA[Attacks]]></category>
		<category><![CDATA[Edge]]></category>
		<category><![CDATA[research]]></category>
		<category><![CDATA[vulnerabilities]]></category>
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					<description><![CDATA[In 2024 and 2025, we reassessed remote Spectre attacks on our Workers infrastructure. We share details about the new attack primitives like Spectre gadgets, remote timers, achieving co-location  and how new defenses further harden Cloudflare Workers.]]></description>
		
		
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