National Institute of Standards and Technology - Computer Security Division Resource Center
- CSD publications, events, cryptographic standards and applications. Information on security testing, security management, and research initiatives. Includes links to the national vulnerability cyber database.
- http://csrc.nist.gov/

Cryptography and the National Security Agency
- Official NSA site. Cryptographic standards, research, and resources.
- http://www.nsa.gov/ia/industry/crypto_suite_b.cfm?MenuID=10.2.7

Cryptology Research Society of India
- Conducts annual conference INDOCRYPT and National workshop on Cryptography. Also promotes research activities in cryptology and security in India.
- http://www.crsind.com

Frequently asked questions
- Frequently asked questions (FAQ) on cryptography by RSA Security Inc.
- http://www.rsasecurity.com/rsalabs/faq/

Cryptography Developments in India
- Call for papers, Companies, Jobs, Government Sites, Nonprofit Organizations, Researchers, Research Groups, University Courses
- http://www.isical.ac.in/~malapati_r/crypt.html

International Association for Cryptologic Research
- Conducts annual confs Crypto, Eurocrypt, Asiacrypt, PKC, CHES. Publishes Journal of Cryptology. Site has links to Calendar of events and maintains famous E-print server.
- http://www.iacr.org/