The Department of Homeland Security should tailor its distribution of threat data to improve private-public information sharing, an industry official told lawmakers Wednesday. “The majority of the Homeland Security information sharing model is a one-size-fits-all,” Dave Mahon, vice president of communications provider CenturyLink, testified before the Senate Armed Services Subcommittee on Homeland Security. He said DHS has made progress on collecting and distributing information that it receives from industry and its government partners, but it spits the data out in one…