mr. david mahon. chief security officer for century link. thank you for being here. we look forward to your comments. pull that microphone closer to you. >> thank you for the opportunity to testify before you. is your microphone on? >> we're having trouble hearing is that light lit up there? you have to get really close. just saying. >> chairman walden and ranking member eshoo and members, thank you for the opportunity to testify on this important topic. century link, a provider, provides communications services to over 14 million homes and businesses in more than 37 states around the world. our services include voice, broadband, video and data as well as fiber call and cloud and managed security solutions. we have voice and internet customers to the largest fortune 500 customers. as vice president for century link, i'm responsible for all corporate functions, including information security. before joining century link, i worked for 30 years with the fbi and was responsible for investigative teams and programs related to targeted attacks on the internet, computer sys