A new analysis of mobile apps promoted to US military personnel has raised fresh security concerns after finding that more than one in eight included software code tied to foreign companies. According to the review, some of that code came from firms based in China, Russia, and other countries.

The findings stand out because the apps were specifically marketed toward service members, a group that could face heightened privacy and national security risks if sensitive data is exposed through third-party software components. The report describes the review as a first-of-its-kind look at this corner of the app market.

The concern is not simply that foreign-made code appeared in widely available apps, but that some of the companies involved are located in nations the Pentagon considers adversaries. That raises questions about how software used by troops is built, what external tools developers rely on, and whether enough scrutiny is being applied before these products reach military users.

The examination adds to broader worries about software supply chains, where apps can contain code from multiple outside vendors that users never see. In this case, the findings are likely to intensify debate over app vetting, data protection, and digital security standards for products aimed at US service members.