You find below top 20 conferences and journals in Computer Security and Cryptography. The ranking was obtained by h5-index and h5-median. The data is cloned from Google Scholar in 16-11-2022

  Publication h5-index h5-median
1 ACM Symposium on Computer and Communications Security 98 146
2 IEEE Transactions on Information Forensics and Security 94 135
3 IEEE Symposium on Security and Privacy 89 134
4 USENIX Security Symposium 84 136
5 Computers & Security 78 117
6 Network and Distributed System Security Symposium (NDSS) 72 146
7 IEEE Transactions on Dependable and Secure Computing 63 97
8 International Conference on Theory and Applications of Cryptographic Techniques (EUROCRYPT) 59 96
9 International Cryptology Conference (CRYPTO) 55 98
10 International Conference on Financial Cryptography and Data Security 50 82
11 Journal of Information Security and Applications 47 65
12 IEEE European Symposium on Security and Privacy 46 70
13 IACR Transactions on Cryptographic Hardware and Embedded Systems 46 69
14 Security and Communication Networks 44 60
15 International Conference on The Theory and Application of Cryptology and Information Security (ASIACRYPT) 42 72
16 ACM Asia Conference on Computer and Communications Security 38 60
17 IEEE International Conference on Biometrics: Theory Applications and Systems (BTAS) 36 59
18 IEEE Security & Privacy 35 58
19 Symposium On Usable Privacy and Security 35 51
20 Designs, Codes and Cryptography 33 45