{
  "generated": "2026-09-15T09:38:11.041Z",
  "source": "https://publicmosaic.com/indicators",
  "tlp": "CLEAR",
  "scope": "template b757977db3a9_b757977db3a9_b06bda150783 — https://publicmosaic.com/ja4x/b757977db3a9_b757977db3a9_b06bda150783",
  "caveat": "Combine with network scope. A bare JA4X is a certificate template, not an identity: it collides across operators using the same tooling, and a template spanning several families is a library default. `discriminating: false` marks singletons and multi-family templates; JA4X+ entries (template + issuer CN + not_before day) are the finer key.",
  "templates": [
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      "url": "/ja4x/b757977db3a9_b757977db3a9_b06bda150783",
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      "listed": 106,
      "families": [
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      "first_seen": "2026-08-22T23:51:03.104Z",
      "last_seen": "2026-09-15T03:42:23.496Z",
      "discriminating": true,
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}