1. INTRODUCTION  
2. A TAXONOMY OF PRIVACY AND SECURITY ATTACKS IN ONLINE SOCIAL NETWORKS  
3. MITIGATING ATTACKS FROM OTHER USERS  
4. MITIGATING ATTACKS FROM SOCIAL APPLICATIONS  
5. PROTECTING USER DATA FROM THE ONLINE SOCIAL NETWORK  
6. MITIGATING DE-ANONYMIZATION AND INFERENCE ATTACKS  
7. MITIGATING SYBIL ATTACKS  
8. MITIGATING ATTACKS FROM LARGE-SCALE CRAWLERS  
9. MITIGATING SOCIAL SPAM  
10. MITIGATING DISTRIBUTED DENIAL-OF-SERVICE ATTACKS (DDOS)  
11. MITIGATING MALWARE ATTACKS  
12. SUMMARY AND DISCUSSION