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Third-party security ratings

Summarise security ratings of your vendors and flag critical ones below the threshold.

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Cybersecurity & cyber assurance

How it's worked out

  • Weighted average uses weights 3, 2, 1 for tiers 1, 2, 3
  • Ratings rescaled to 0 to 100 if your provider uses another scale
NoteOutside-in ratings see only internet-facing signals. Use them to prioritise questionnaires, not to replace them.

Source: ISO/IEC 27036; NIST SP 800-161 (supply chain risk)

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