Mainly features academic articles related to network security, cryptography, big data, and cloud computing. Key sections include expert forums; operating systems, network systems, and server technologies; encryption and decryption techniques; security models, algorithms, and programming; data security and cloud computing; wireless communication and mobile internet security; campus network security; industry and application security; cybercrime, forensics, and online public opinion governance; overview and trends in cybersecurity. The target readers are leaders and professionals in government departments, enterprises, military, public security agencies, national security agencies, financial securities departments, civil aviation and railway systems, information technology research units, as well as individuals engaged in or interested in information security technology applications.