David Holmes is the world-wide security evangelist for F5 Networks. He writes and speaks about hackers, cryptography, fraud, malware and many other InfoSec topics. He has spoken at over 30 conferences on all six developed continents, including RSA Europe in Amsterdam, InfoSec in London and Gartner Data Center in Las Vegas.

David writes a bi-weekly column at SecurityWeek, and has had the good fortune to write for DarkReading, SC Magazine, Network World and many other computer security magazines and websites. He has three patents pending for F5 and still contributes code to open-source projects such as OpenSSL.