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HR10861119th Congress
In Committee

Blocking Foreign Cellular Modules in Defense Systems Act of 2026

cybersecuritydefensesupply chainnational security+1 more
Congress.gov·Updated daily·Introduced Oct 22, 2026·Last action Oct 22, 2026·Report a correction
AI-Powered Summary

The Blocking Foreign Cellular Modules in Defense Systems Act of 2026 mandates the Department of Defense (DoD) to conduct a comprehensive audit within 180 days of the bill's enactment. The audit aims to identify cellular modules—small devices that provide cellular connectivity—within DoD systems, especially those critical to military mobility, logistics, and security. These modules include those embedded in Internet of Things (IoT) devices and other infrastructure components. The focus is on modules produced or controlled by entities linked to foreign adversaries, particularly those associated with China or listed under previous defense restrictions, due to concerns about supply-chain security and potential cybersecurity risks.

Following the audit, the DoD must report to Congress within one year and then every two years for up to six years. These reports will detail findings, ongoing and planned mitigation efforts such as replacing risky modules, isolating affected networks, or applying software fixes, along with cost and timeline estimates. The bill also calls for identifying any legal or regulatory obstacles to mitigation and recommending further legislative actions if needed. Additionally, the Government Accountability Office (Comptroller General) will review and report on the DoD's progress and effectiveness of these measures.

This legislation addresses growing concerns about cybersecurity vulnerabilities in defense systems caused by foreign-made hardware components. By systematically identifying and mitigating risks from these cellular modules, the bill aims to enhance national security and protect sensitive military infrastructure from potential espionage or cyberattacks. However, the process may involve significant costs, logistical challenges, and potential disruptions as legacy equipment is replaced or modified. The bill impacts the DoD, defense contractors, and potentially manufacturers of cellular modules, emphasizing the importance of trusted supply chains in defense technology.

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Key Points

Main Benefit

Enhances cybersecurity by identifying and mitigating risks from foreign-made cellular modules in defense systems

Main Concern

Mitigation efforts such as replacing hardware could be costly and logistically complex

Who's Affected

Department of Defense

Responsible for conducting audits, reporting, and mitigating risks in its systems

Defense contractors and suppliers

May need to replace or modify equipment containing covered cellular modules; increased compliance requirements

Manufacturers of foreign cellular modules

Modules from certain foreign entities may be banned or removed from DoD systems, reducing market access

National security stakeholders

Potentially improved security and reduced risk of cyber threats in defense infrastructure

Latest Action

Referred to the House Committee on Armed Services.

Estimated Impact

Medium

Probability over time

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