DISA’s Thunderdome achieves advanced zero-trust goals

The Defense Information Systems Agency’s Thunderdome program has reached full compliance with the Pentagon’s advanced zero-trust standards, according to Randy Resnick, director of the department’s ZT portfolio management office. 

The achievement is a major milestone for DISA’s Thunderdome initiative, which offers a suite of IT and cybersecurity technologies that various agencies across the Defense Department can use as their zero-trust solution. DISA’s validation of Thunderdome comes more than two years ahead of the Pentagon’s deadline to implement target levels of zero trust by the end of fiscal 2027.

“It is a stellar machine system and environment, and there’s a lot of DOD field activities and agencies that are depending on that solution as its [zero-trust] solution,” Resnick said Wednesday during the Defense Acquisition University’s annual Zero Trust Symposium.

Zero trust is a cybersecurity framework that assumes networks are already compromised by adversaries, as opposed to the perimeter-based standards traditionally employed by the DOD. Rather than establishing a protective cybersecurity boundary over its networks, zero trust requires the Pentagon to integrate new capabilities that can constantly monitor and authenticate its networks and users as they move through them.

The DOD’s 2022 Zero Trust Strategy outlined a minimum set of 91 capability outcomes that agencies and components must meet to achieve “target levels” of zero trust no later than Sept. 30, 2027. The strategy also provided an additional 61 activities that are required to meet what the Pentagon considers “advanced levels.”

Resnick said DISA’s Thunderdome achieved a “perfect 152 out of 152,” meaning the solution is the second to hit all of the department’s ZT capability outcomes. The Navy’s cloud-based Microsoft Office 365 platform — known as Flank Speed — was the first zero-trust solution to achieve advanced levels, and met all 152 requirements earlier this year.

“Thunderdome is the Defense Information Systems Agency’s (DISA) comprehensive ZT solution,” Chris Pymm, Thunderdome portfolio manager at DISA, told DefenseScoop in a statement. “Recently, the Department of Defense DOD CIO purple team has validated that Thunderdome provides advanced level ZT across all 152 activities in DOD’s ZT model. What’s more, organizations can leverage DISA’s Thunderdome procurement vehicle to meet their integration ZT needs.”

According to the agency, the Thunderdome solution leverages enterprise identity credential and access management (ICAM); commercial secure access service edge capabilities; and software-defined wide area networking and security tools.

In 2022, DISA awarded Booz Allen Hamilton a $6.8 million other transaction agreement to prototype Thunderdome, which was later extended to include the Pentagon’s classified Secure Internet Protocol Router Network (SIPRNet). Following 18 months of development, the company received a follow-on production contract in 2023 to transition the solution into full deployment. 

The award is structured as an indefinite delivery/indefinite quantity (IDIQ)-like award to allow for other Pentagon agencies and departments to leverage the OTA over a five-year period. The contract has a total ceiling of $1.86 billion.

Pymm said that Thunderdome “will complete the DISA terrain in June of this year.” The effort’s zero-trust capabilities will be scaled to defense agencies and field activities via the broader migration of users to its new modernized network, known as DODNet, he added.

In fiscal 2025, Thunderdome will be fielded to the Defense Contract Management Agency, Defense Contract Audit Agency, Defense Logistics Agencies, Defense Media Activity, Defense Finance Accounting Service and the Defense Microelectronics Activity.

Moving forward, DISA plans to deploy the capability to the following agencies and organizations in fiscal 2026: Defense Threat Reduction Agency, Joint Staff’s J-6 directorate, Defense Advanced Research Projects Agency, Missile Defense Agency and Defense Manpower Data Center.

Updated on April 2, 2025, at 5:25 PM: This story has been updated to include more information from DISA about plans for Thunderdome and statements from Chris Pymm, Thunderdome portfolio manager.