Security’s First Pillar Identity Modernization, DHS, and the Government’s Adoption of Zero Trust ISSUE BRIEFINTRODUCTION The Department of Homeland Security holds a unique position when it comes to cybersecurity, serving as “both chef and diner” 1 in that it is both on its own modernization journey and provides guidance on modernization strategies for other agencies. CISA is a part of DHS, and the agency has benefited from this in-house expertise and heightened security requirements. DHS has also seen the consequences of security weaknesses — in 2020, suspected Russian hackers successfully breached the department as part of the SolarWinds cyberattack, along with parts of the Treasury and Commerce departments. 2THE BIG PICTURE Zero trust is not a specific tool, but a concept that

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