Satellite Cybersecurity Act of 2025

S.3404, the Satellite Cybersecurity Act of 2025, was introduced in the Senate on December 9, 2025, and referred to the Committee on Commerce, Science, and Transportation. On April 14, 2026, the committee ordered the bill to be reported with an amendment in the nature of a substitute favorably, meaning it has cleared committee review and is awaiting floor action in the Senate. This marks a significant step forward in the legislative process, indicating momentum for the bill. The bill does not explicitly authorize specific funding amounts. Instead, it is expected to establish policy and potentially mandate new cybersecurity requirements for satellite systems, which would drive demand for related services and technologies. Any actual funding for programs or initiatives stemming from this act would require subsequent appropriations bills. The mechanism for impact is through regulatory mandates and potential government contracts for cybersecurity solutions and services for both commercial and government satellite operators. Structural beneficiaries include companies specializing in satellite technology, cybersecurity, and defense contractors with significant space divisions. Pure-play satellite operators and service providers like Rocket Lab USA ($RKLB), AST SpaceMobile ($ASTS), Intuitive Machines ($LUNR), Iridium Communications ($IRDM), and Viasat ($VSAT) are positioned to benefit from increased demand for secure satellite infrastructure and services. Larger defense contractors with extensive space and cybersecurity portfolios, such as Lockheed Martin ($LMT), Boeing ($BA), Northrop Grumman ($NOC), and Raytheon Technologies ($RTX), are also likely to see opportunities in this evolving regulatory landscape. There are no direct conflicts or amplifications from the recent Presidential Memoranda, as those focus on energy and infrastructure, not satellite cybersecurity. The next legislative step for S.3404 is consideration by the full Senate. Given its favorable reporting out of committee, the bill has a reasonable chance of being brought to a vote. If passed by the Senate, it would then move to the House of Representatives for their consideration.