Table 3 Similarity metric to apply to each behavior factor
Behavior factor | Behavior target | Similarity metric |
|---|---|---|
Sending SMS | Premium-rate | Binary (0 or 1) |
Calling | Premium-rate | Binary (0 or 1) |
Sending sensitive information | System information, private information | Jaccard index [0, 1] |
Converting data | Destination URL | Modified levenshtein distance [0, 1] |
Cipher algorithm (DES, AES, Blowfish) | Binary (0 or 1) | |
Encoding algorithm (Gzip or not) | Binary (0 or 1) |