Benjamin Kaduk

Photo of Benjamin Kaduk

Benjamin Kaduk is a Senior Software Engineer at Akamai Technologies where his work focuses on secure communication technologies, including the IETF standard Transport Layer Security; he is currently serving as an IETF Security Area Director. In addition to his efforts as an author and contributor to standards, he has been the co-chair of the IETF KITTEN and ACE working groups, and continues to be involved with the development of security standards in the IETF. Benjamin is very active in the world of open-source software, as the lead developer of the OpenAFS network filesystem, an OpenSSL committer, maintainer of a couple of Debian packages, and a FreeBSD documentation committer. Benjamin previously was a staff member at the MIT Kerberos Consortium, where his responsibilities included membership in the security team, software development for the reference MIT krb5 implementation, and evolution of the Kerberos and GSS-API protocols. Benjamin holds a Doctor of Philosophy degree in Chemistry from the Massachusetts Institute of Technology.


Area Director of Collaborative Automated Course of Action Operations for Cyber Security (cacao)
Area Director of Internet Engineering Steering Group (iesg)
Area Director of Security Area (sec)
Area Director of Security Area Directorate (secdir)
Area Director of Transport Layer Security (tls)
Area Director of Trusted Execution Environment Provisioning (teep)
Area Director of Messaging Layer Security (mls)
Area Director of CURves, Deprecating and a Little more Encryption (curdle)
Area Director of Security Events (secevent)
Area Director of RADIUS EXTensions (radext)
Area Director of Authentication and Authorization for Constrained Environments (ace)
Area Director of CBOR Object Signing and Encryption (cose)
Area Director of IP Security Maintenance and Extensions (ipsecme)
Area Director of DDoS Open Threat Signaling (dots)
Area Director of AAA Doctors (aaadoctors)
Area Director of Security Area Open Meeting (saag)
Area Director of Common Authentication Technology Next Generation (kitten)
Chair of Security Area Directorate (secdir)
Chair of Security Area Open Meeting (saag)
Member of Privacy and Security (privsec)
Reviewer in Internet of Things Directorate (iotdir)
Reviewer in Security Area Directorate (secdir)


rfc7546 May 2015 Structure of the Generic Security Service (GSS) Negotiation Loop
rfc8429 Oct 2018 Deprecate Triple-DES (3DES) and RC4 in Kerberos