Trust-Based Access Control Model from Sociological Approach in Dynamic Online Social Network Environment

Table 1

Threats related to trust in OSN.

Case	Threats
Malicious users and collectives	Users or groups who deliberately provide false information with malicious intent
Sybil attack	Users or groups who create many false accounts and fabricate the reputation of another user or group
Malicious pretrusted peers	User who adopts a negative position against the trustor after establishing reliable relationship with him