In the digital age, social networking sites (SNS) have become an important part of daily life, providing a platform for communication, entertainment, and information sharing. However, these platforms also pose significant risks to information security. This article explores the phenomenon of information leakage through SNS, a growing concern that threatens personal privacy and organizational security. Through a comprehensive review of related issues, the article delves into the various forms of information leakage, the potential impacts, and the underlying factors contributing to this issue. The article also discusses the solutions to mitigate the risks associated with information leakage on SNS.