HookSlip by Holophage Limited

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HookSlip version history - 5 versions

Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 0.4.1
Released Sep 9, 2026 - 584.01 KB
Works with firefox 109.0 and later
- Improved protection against realistic imitation sign-in pages, including small visual changes to trusted brands.
  - More reliably warns when copied trusted-brand cues appear alongside a credential form on an untrusted site.
  - Keeps safety warnings aligned to the visible sign-in form without disrupting the page layout.
  - Shows the update screen only after HookSlip itself has been updated.
  - Updated trusted site indicators and supported sign-in page coverage for major services.
  - Made protection status and recent updates clearer in the extension.
Source code released under All Rights Reserved
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Older versions
Version 0.4.0
Released Sep 5, 2026 - 534.01 KB
Works with firefox 109.0 and later
- Content-script performance pass: remove dead full-DOM query, gate hot-path
  logging behind a DEBUG flag, single-query rewrite + caching for
  isFormAdjacentImage/isVisible, throttled analytics scanning, chunked image
  hashing and mutation-batch processing via requestIdleCallback
- Reduce false-positive WARN/BLOCK rate:
- New email_only_form behavioral flag distinguishes simple newsletter/
  contact forms from real credential-harvesting forms; dampens threat/risk
  scoring when email capture is the only signal present
- Fix overly-broad suspicious_resource_url regex (bare // matched nearly
  every absolute https:// URL); anchored to true protocol-relative URLs
- New look-alike corroboration gate: WARN/BLOCK now requires either a
  structural/visual indicator match (image/element/url/domain) or a
  plausible domain-distance to a known brand, preventing incidental
  text-only SimHash matches on unrelated domains from escalating
Source code released under All Rights Reserved
Download file
Version 0.3.8
Released Jan 17, 2026 - 505.17 KB
Works with firefox 109.0 and later
- Updated and expanded indicator coverage
- Reduced overhead on allowlisted pages
Source code released under All Rights Reserved
Download file
Version 0.3.6
Released Sep 30, 2025 - 134.65 KB
Works with firefox 109.0 and later
- Fix regression in profiled known-good domains handling
- Updated indicators
Source code released under All Rights Reserved
Download file

Latest version

Version 0.4.1

Older versions

Version 0.4.0

Version 0.3.8

Version 0.3.7

Version 0.3.6