Abstract: With the development of information technology, the security threat of information content in cyberspace is becoming more and more serious, such as reactionary, pornographic, violent and other negative information widely spread; hacking, internet fraud and other illegal activities are rampant; piracy, illegal transshipment and other infringements cannot be stopped. Social stability, economic development and national security are seriously threatened. At present, the security of network information content has become an important part of national information security system.

Key words: Cyberspace, Information content security, Security threats, Threat new features, Information content security technology

摘要： 随着信息技术的发展，网络空间面临的信息内容安全威胁日益突出,如反动、色情、暴力等不良信息大肆传播，黑客攻击、网络诈骗等不法行为泛滥成灾，盗版、非法转载等侵权行为屡禁不止，这些无时无刻不对社会稳定、经济发展和国家安全构成严重威胁。当前，网络信息内容安全已成为国家信息安全保障体系的重要组成部分。

关键词: 网络空间, 信息内容安全, 安全威胁, 威胁新特点, 信息内容安全技术