Research on Social Network Secunity Issues and Countermeasures Based on Big Data

In the current era of rapid advances in information technology, personal secrets and data protection in the social field are facing unprecedented challenges. The phenomena of privacy breaches, online fraud, data tampering, and social automation robots on social platforms pose a serious threat to users and platforms. This article delves into the core security risks faced by social networks in the era of big data, and proposes corresponding solutions from the perspectives of technology, privacy protection, and social collaboration, such as data encryption technology, multiple authentication mechanisms, abnormal behavior monitoring, and the construction of a network security education system. Through the dual means of technology and management, social platforms are expected to significantly enhance data security protection and reduce potential security risks.