Every SONET, TDM and optical device manufacturer uses the TL1 language as its management protocol for controlling telecommunication devices. This presentation will discuss what TL1 is, why TL1 devices need to be secured, how they can be secured to minimize risk, and tools one can use for management and security of TL1 devices. Bio: Rachel K. Bicknell is a Senior Network Engineer at Emdeon Business Services in Memphis, Tennessee. She has worked various telecom and network related companies, including Switch and Data, Akamai and AboveNet. In her spare time she does volunteer work for the Memphis Pug Rescue.