AI-rewritten: This is a summary of an article from Ars Technica, rewritten by AI (Qwen, running locally) to make it easier to read. The facts come from the original article – read it for the full story.

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Sen. Maggie Hassan (D-N.H.) wrote a letter to Trump Mobile CEO Patrick O’Brien alleging the company failed to obtain necessary authorizations to operate its international calling service. Hassan stated that Trump Mobile does not appear to have submitted a required plan for fighting robocalls, even though its partner, Liberty Mobile Wireless, filed an incomplete database. These concerns arise alongside reports that hackers stole personal data from 3,615 customers and a previous incident where a vendor exposed customer information online.

Hassan questioned who is providing the international telecommunications services advertised by Trump Mobile, which claims customers can call more than 230 countries. She noted that a search of the FCC’s filing system suggests Trump Mobile lacks the required Section 214 authorization under the Communications Act of 1934. This process requires disclosure of foreign ownership to assess national security risks, a rule applicable to both network operators and resellers like Trump Mobile.

The letter also highlighted weak scam prevention efforts, noting that neither company appears to have included "know-your-customer" processes in their required robocall mitigation plans. Hassan cited FCC rules stating that resellers are often best positioned to identify sources of illegal traffic, and warned that non-compliance can lead to fines or having phone traffic blocked by other carriers. She requested answers regarding the company’s ownership structure, subscriber verification systems, and device supply chains by October 29.