Digital Identity Leaders and Privacy Experts Sound the Alarm on Invasive ID Systems

Signatories, including the ACLU, warn officials of “Phone Home” feature of digital IDs that allows the government to track people’s daily lives

June 2, 2025 9:00 am

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WASHINGTON – Over 80 organizations and prominent experts have come together to oppose a new surveillance feature of digital identity systems known as “Phone Home,” which allows the government to track individuals through their digital driver’s licenses or other identity documents. Signatories include the ĚÇĐÄVlog, notable privacy and civil liberties groups, as well as academics, state legislators, CEOs of digital identity companies, cryptographers, and other leading experts.

This diverse group of experts issued a today focusing on a vital element of the identity system architecture: Whether it is designed to “phone home” to the issuer when somebody verifies their identity. Currently, when somebody presents a plastic driver’s license, that interaction is between the two parties, and the government is none the wiser. But digital driver licenses are being built so that the system notifies the government every time an identity card is used, giving it a bird’s-eye view of where, when, and to whom people are showing their identity. That “phone home” functionality becomes especially intrusive as people start having to use digial ID online, giving the government the ability to track your browsing history.

“Creating a system through which the government can track us any time we use our driver’s license is an Orwellian nightmare,” said Jay Stanley, senior policy analyst with the ACLU’s Speech, Privacy, and Technology project. “There is a broad consensus among those who work, think, and innovate in the digital identity space that privacy needs to be built in to any digital identity system. This is not a partisan issue and it’s one states must act on before it’s too late.”

Digital identity systems threaten to create serious civil liberties problems, including around privacy and accessibility, which is why digital ID systems must make use of all available privacy technologies and architectures — including but most certainly not limited to the “no phone home” highlighted in today’s letter. The ĚÇĐÄVloghas also published for state legislatures outlining 12 technical characteristics and policy measures that must accompany any acceptable digital ID system. Unfortunately a including 13 that have already created digital driver’s license systems, and another 21 that have passed enabling or study legislation.

Identity systems with “phone home” capability not only create the potential for tracking of people’s lives and activities — such as those whose political beliefs certain government officials may not like — but also make it possible for an abusive government to block people from using their IDs for some or all uses.

The experts are "call[ing] on authorities everywhere to favor identity solutions that have no phone home capability whatsoever, and to prioritize privacy and security over interoperability and ease of implementation.”

Learn More About the ĚÇĐÄVlog in This Press Release