for decades, Rodney Joffe built a career in Washington connecting US federal agencies with engineers of the Internet. He helped eradicate a computer worm called Conficker, which infected up to 15 million computers in 2008. His work analyzing vast databases of internet service provider data led to closer collaboration between government agencies and private researchers to locate computer breaches and gather online information.
“It launched an industry,” he said Rick Wesonthe chief executive of cybersecurity firm Support Intelligence Inc. It also made a lucrative deal of government contracts for Mr. Joffe and his companies, which employees said allowed him to regularly fly by private jet.