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    <title>SSS Blog</title>
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    <description>Deep dives into the cryptography and security architecture behind SSS — sealed sender, on-device vaults, post-quantum encryption, and phishing resistance.</description>
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      <title>Anti-Phishing by Design: Closing the Attack Surface That Hit Signal</title>
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      <pubDate>Fri, 07 Aug 2026 09:00:00 GMT</pubDate>
      <category>Account Security</category>
      <description><![CDATA[A 2025 phishing campaign hijacked Signal accounts through a fake device-linking page. Here's every layer SSS uses to make that specific attack — and others like it — ineffective.]]></description>
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      <title>Post-Quantum Encryption, Explained: Why It Matters Right Now</title>
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      <pubDate>Thu, 30 Jul 2026 09:00:00 GMT</pubDate>
      <category>Cryptography</category>
      <description><![CDATA[Encrypted traffic captured today can be decrypted later by a future quantum computer. Here's how SSS's hybrid X25519 + ML-KEM-768 encryption defends against harvest-now-decrypt-later.]]></description>
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      <title>Fortress Lock: What a Stolen Phone Still Can't Give Up</title>
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      <pubDate>Wed, 22 Jul 2026 09:00:00 GMT</pubDate>
      <category>On-Device Security</category>
      <description><![CDATA[A stolen or seized phone shouldn't mean a stolen inbox. Inside Fortress Lock's three-layer Argon2id vault, memory-hard PINs, and the server-enforced 15-guess limit.]]></description>
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      <title>Sealed Sender Explained: How SSS Hides Who Messaged Whom</title>
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      <pubDate>Tue, 14 Jul 2026 09:00:00 GMT</pubDate>
      <category>Privacy Architecture</category>
      <description><![CDATA[Sealed sender stops the server from ever learning who sent a message. See how SSS extends that guarantee to attachments, voice calls, and reactions — not just text.]]></description>
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