安全四大会，简称“四大”，是指以下4个网络安全领域的顶级会议： - [IEEE Symposium on Security and Privacy (S&P)](https://www.computer.org/csdl/proceedings) - [USENIX Security Symposium (Security)](https://dl.acm.org/conference/sec/proceedings) - [ACM SIGSAC Conference on Computer and Communications Security (CCS)](https://dl.acm.org/conference/ccs/proceedings) - [Network and Distributed System Security Symposium (NDSS)](https://www.ndss-symposium.org/)