Research Article
Evaluating the Privacy Policy of Android Apps: A Privacy Policy Compliance Study for Popular Apps in China and Europe
Table 4
Privacy behaviors with required permissions.
| | Data type | DL | PDL | DA | | Google | Tencent | Google | Tencent | Google | Tencent |
| | IMEI | 87 | 68 | 24 | 22 | 259 | 377 | | OS ID | — | — | — | — | 377 | 259 | | SN | 29 | 3 | 14 | 17 | 2 | 13 | | SSID | 14 | 10 | — | 5 | 55 | 126 | | BSSID | 2 | 10 | — | — | 41 | 117 | | App list | 23 | — | 2 | 1 | 21 | 41 | | MAC | 13 | — | — | 22 | 24 | 49 | | Location | 11 | 12 | — | 1 | 7 | 26 | | IMSI | — | — | — | — | 10 | 79 | | Number | — | 1 | — | — | 3 | 6 | | E-mail | — | — | — | — | 32 | 17 | | IP | — | — | — | — | 106 | 123 | | Carrier | — | — | — | — | 106 | 92 | | GSM ID | — | — | — | — | — | 2 | | Sensor | — | — | — | — | 190 | 92 |
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