With the uprising trend and ever-growing techniques of network attacks

important assets

i.e.

severs

websites and mobile apps

which are directly exposed to the Internet

become the natural attacking targets and even entries for hackers. In order to improve the abilities to tackle information security incidents as a unity

and ensure network security during major activities

this paper investigates the fundamental techniques of situational awareness and its applications. Based on our research

a situational awareness platform is built which supports the monitoring of assets

websites and mobile applications

and is able to manage various kinds of security incidents and vulnerabilities for intensive awareness and analysis.