Yuanzhang Li

A Covert Channel Over VoLTE via Adjusting Silence Periods

2018 · IEEE Access

Covert channels represent unforeseen communication methods that exploit authorized overt communication as the carrier medium for covert messages. Covert channels can be a secure and effective means of transmitting confidential information hidden in overt traffic. …

A Robust Packet-Dropout Covert Channel over Wireless Networks

2020 · IEEE Wireless Communications

Wireless communication is the most important carrier for covert channels because increasing security threats have made covert channels an alternative to transmitting confidential information in untrusted wireless communications. As a solution for next-generation mobile communication, …

Analyzing host security using D‐S evidence theory and multisource information fusion

2020 · International Journal of Intelligent Systems

Security monitoring and analysis can help users to timely perceive threats faced by the host, thereby protecting and backup data and improving the host's security status. In the research domain of host security analysis, many …