The invention discloses a network
information security protection system based on
the Internet. The network
information security protection system comprises a cloud platform, a registration and loginunit, a
database, an information auditing unit, an intrusion detection module, a
user management module, an alarm unit and a protection unit. The method comprises the following steps: detecting systemdata through an intrusion detection module, acquiring illegal access times,
virus type quantity and
vulnerability quantity of a
system, acquiring a
system intrusion coefficient Y through a formula, and comparing the
system intrusion coefficient Y with an intrusion coefficient threshold value: if the system intrusion coefficient Y is less than or equal to the intrusion coefficient threshold value,judging that intrusion does not exist in the system; generating a system security
signal and sending the system security
signal to the cloud platform; if the system intrusion coefficient Y is greaterthan the intrusion coefficient threshold, judging that intrusion exists in the system, generating a system danger
signal and sending the system danger signal to an alarm unit. After the system is detected, viruses are eliminated before
data loss of the system, so that the
data security is improved, and the risk of
data loss is reduced.