DHS’s Science and Technology Directorate is leading efforts to develop and deploy more secure Internet protocols. Napolitano: “Too often today, our cyberdefenses are ad hoc, manual processes” The secretary said it’s DHS’s responsibility to lead the protection of critical infrastructure and its connections to cyberspace. “Just as all cities experience some crime, so too does cybersspace,” she said. “This is not something we can do by ourselves. It requires a full range of partners – including other government agencies, the private sector, as well as individual users””]
Source: https://www.govinfosecurity.com/napolitano-outlines-dhs-response-to-rsa-breach-a-3578

