David Holmes is a researcher and evangelist for F5 Networks, with an emphasis on cryptography, distributed denial of service attacks, and the Internet of Things. He has spoken at over 50 conferences such as RSA Europe in Amsterdam,, InfoSec in London and Gartner Data Center in Las Vegas. Holmes has authored white papers on security topics on global cryptography trends and the modern DDoS threat spectrum. He has also written for industry magazines such as SCMagazine and the Network World. Holmes writes regularly about vulnerabilities, technical solutions and the security industry for SecurityWeek.com and F5 Labs.

He joined F5 Networks in 2001, and, as a Principal Software Engineer on the LTM team where he designed many of the system and core security features. Holmes has 25 years of experience in security and product engineering. Prior to F5, Holmes was a Vice President of Engineering at Dvorak Development (in Boulder, CO) and a Senior Security Engineer at CyberSafe, Inc.

Holmes majored in Computer Science and Engineering Physics at the University of Colorado at Boulder. For public speaking, Holmes received a Competent Communicator award from Toastmasters International and other public speaking awards.

Specialties: Security Analysis, Presentation, White Papers, Bylines, AWS, Python, Ansible and PostgresQL. Development specialties include Secure Sockets (SSL), Public Key Infrastructure (PKI), Authentication and Authorization systems. Kerberos, GSSAPI, C, C++, Java, MFC, Perl, PHP, Apache, UNIX shell scripts, 0x86 assembly, network protocols, attacks and defenses, FIPS-140, RADIUS and LDAP.

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