Network and Information Security Lab @ Tsinghua University

A research team focusing on cyber security at Tsinghua University.
A playground for fun hacking and fundamental research.
Base of the CTF teams Blue-Lotus and RedBud.


July 2020 - Our paper CDN Backfired: Amplification Attacks Based on HTTP Range Requests named “Best Paper Award” by DSN 2020.

June 2020 - Our paper Talking with Familiar Strangers: An Empirical Study on HTTPS Context Confusion Attacks was accepted by CCS 2020.

May 2020 - Our paper Poison Over Troubled Forwarders: A Cache Poisoning Attack Targeting DNS Forwarding Devices was accepted by USENIX Security 2020.

Apr 2020 - Our paper Argot: Generating Adversarial Readable Chinese Texts was accepted by IJCAI 2020.

Mar 2020 - Our paper FANS: Fuzzing Android Native System Services via Automated Interface Analysis was accepted by USENIX Security 2020.

Feb 2020 - Our paper CDN Judo: Breaking the CDN DoS Protection with Itself was accepted by NDSS 2020.

Feb 2020 - Our paper A Large-Scale Empirical Study on Vulnerability Distribution within Projects and the Lessons Learned was accepted by ICSE 2020.



We are looking for highly motivated students and postdoc researchers.

Faculty positions are available.

Read more ...

Web Security

Cookie Integrity...

Network Security

Protocol security analysis and design, HTTPS, SDN, 5G, IPv6.

System Security

BlockChain Security, IoT Security, ICS Security

Software Security

Vulnerability analysis, discovery, exploit and mitigation. Malware analysis.

Data-driven Security

Intrusion detection, underground economy analysis.

AI Security

AI for security, and Secure AI.