Cross-Platform Strong Privacy Protection Mechanism for Review Publication

Table 4

The privacy leakage level and attributes that the adversary can obtain in different levels.

Level	Attributes that the adversary can obtain
0	None
1	Display name, avatar
2	Display name, avatar, real photo, name
3	Attributes involved in level 2 and associate them with the user’s attributes across other social networks to determine gender, age, or location
4	Attributes involved in level 3, education background
5	Attributes involved in level 4, organization, contact information, home address