Abstract: With the rapid development of broadband wireless access technologies and mobile terminal technology, terminal mobility becomes increasingly apparent, the mobile Internet in the aspect of mobile terminal, access network, information security and application server data protection will face a series of new more severe challenges. Starting from the development status and characteristics of mobile Internet, this article studies current typical mobile Internet applications, analyzes the security threats and risks in the mobile Internet environment, and presents a security risk control measures and protection means for the mobile Internet environment.

Key words: mobile Internet, mobile payment, intrusion detection, denial of service attacks, logical loopholes