1. Administering Oracle Advanced Authentication and Oracle Adaptive Risk Management
  2. Administering Oracle Advanced Authentication
  3. Configuring Oracle Advanced Authentication
  4. Configuring Security Questions for Knowledge-Based Authentication
  5. Configuring Answer Logic
  6. Understanding Common Response Errors
  7. About Keyboard Fat Fingering

11.11.3.1.3 About Keyboard Fat Fingering

This algorithm accounts for typos due to the proximity of keys on a standard keyboard and transposed letters. Answers with typos due to the proximity of keys on a standard keyboard are handled by this algorithm.

The number of fat fingering characters allowed depends on the length of the original word and the level set. The algorithm returns a percentage score associated with the characters that have an exact match. The intensity determines the minimum score required to match the answer with the registered answer.

The fat fingering algorithm is only supported in English.

Common Typos

  • Switching "w" and "e"
  • Switching "u" and "i"
  • Switching "t" and "r"

Examples of Fat Fingering

Correct word: signature - Fat finger: signatire