According to a report by Axios, the Chief Administrative Office (CAO) of the U.S. House of Representatives has issued a formal directive prohibiting the use of WhatsApp on all government-issued mobile devices and computers. This ban encompasses the mobile, desktop, and web versions of the app.
The CAO cited concerns over WhatsApp’s lack of transparency regarding its data protection mechanisms, the absence of encryption for stored user data, and the presence of potential security vulnerabilities. As a result, the app has been deemed high-risk. Additionally, congressional staff were urged to remain vigilant against phishing scams and other cybersecurity threats.
In contrast, applications such as Microsoft Teams, Signal, Wickr, iMessage, and FaceTime have been approved for official use. These platforms, largely developed by U.S.-based companies, are considered to have more robust security measures and have undergone government trust assessments and cybersecurity reviews.
Meta swiftly responded, expressing strong disagreement with the CAO’s evaluation. The company emphasized that WhatsApp employs comprehensive end-to-end encryption, ensuring that messages remain inaccessible not only to Meta but also to its servers, which retain no plaintext data. Meta argued that WhatsApp’s security standards surpass those of many communication apps currently permitted by the House.
Furthermore, Meta noted that many members of Congress and their aides continue to rely heavily on WhatsApp for daily communications. The company urged the House to align its stance with that of the Senate and reconsider its policy on the app’s usage.
This directive is part of a broader trend, as the U.S. House has, since last year, enacted restrictions on several apps deemed to pose potential risks. These include bans on TikTok, ChatGPT, DeepSeek, and Microsoft Copilot—reflecting a growing emphasis within U.S. government institutions on safeguarding information security and asserting data sovereignty.