Cellphone-free journalist tests Cape's military-grade privacy network

TL;DR

404 Media journalist Joseph Cox, cellphone-free since 2017, tests Cape's privacy-focused service originally sold to the U.S. military.
Cape runs its own mobile core for features like daily IMSI rotation and full IMSI/IMEI/MAID rotations for high-risk users on dedicated phones.[[1]](https://www.404media.co/i-dont-own-a-cellphone-can-this-privacy-focused-network-change-that)[[2]](https://discuss.grapheneos.org/d/17564-i-dont-own-a-cellphone-can-this-privacy-focused-network-change-that)
It offers strong protections against tracking but broader public version has less identity obfuscation, per company.[[3]](https://www.schneier.com/blog/archives/2024/11/secret-service-tracking-peoples-locations-without-warrant.html)

The story at a glance

Joseph Cox, co-founder of 404 Media who has avoided cellphones since around 2017 due to privacy risks and uses an iPad Mini instead, tries a device and service from Cape, a small tech company. Cape previously sold its privacy-focused cellphone service only to the U.S. military and is now expanding to high-risk public users like journalists. The article covers Cox's experience testing Cape amid growing concerns over mobile surveillance.[[1]](https://www.404media.co/i-dont-own-a-cellphone-can-this-privacy-focused-network-change-that)[[3]](https://www.schneier.com/blog/archives/2024/11/secret-service-tracking-peoples-locations-without-warrant.html)

Key points

Cape operates its own mobile core software to route messages and authenticate users, enabling privacy features standard carriers can't easily match.[[2]](https://discuss.grapheneos.org/d/17564-i-dont-own-a-cellphone-can-this-privacy-focused-network-change-that)
For high-risk users, it provides IMSI, IMEI, and MAID rotations; IMSI changes every 24 hours to make the phone appear as a new subscriber daily.[[2]](https://discuss.grapheneos.org/d/17564-i-dont-own-a-cellphone-can-this-privacy-focused-network-change-that)
Company loaned Cox a custom Cape handset running standard Android for testing; public broad rollout won't include dedicated phone or full obfuscation.[[4]](https://www.linkedin.com/posts/capemvno_i-dont-own-a-cellphone-can-this-privacy-focused-activity-7265749403301257216-QrAS)
U.S. government red team in Kansas City used IMSI catchers and simulated telecom access but failed to locate Cape users over 10 days.[[3]](https://www.schneier.com/blog/archives/2024/11/secret-service-tracking-peoples-locations-without-warrant.html)
Service costs around $99/month, uses eSIM, nationwide 4G/5G coverage, unlimited talk/text/data with some throttling after high usage.[[5]](https://www.cape.co/)

Details and context

Cape, led by CEO John Doyle (ex-Palantir national security head and Army special forces), built the service to counter telecom vulnerabilities like SS7 attacks and data retention. It collects minimal data—no name or ID at signup—and deletes call/text metadata after 24 hours, unlike carriers keeping logs for years.[[5]](https://www.cape.co/)

Cox reports using WiFi via iPad for years to avoid constant tracking; Cape aims to make privacy the default for those needing cellular without big compromises. The military/high-risk version requires a dedicated phone for max security, while consumer plans split traffic across networks to add "noise."[[6]](https://news.ycombinator.com/item?id=47144325)

Key quotes

"Cape runs its own mobile core, all of the software necessary to route messages, authenticate users, and basically be a telecom." — Cape, as reported in article.[[2]](https://discuss.grapheneos.org/d/17564-i-dont-own-a-cellphone-can-this-privacy-focused-network-change-that)

"For ten days in Kansas City recently, the U.S. government hunted people who were using Cape... Armed with IMSI catchers... unable to locate the Cape users." — John Doyle, Cape CEO.[[3]](https://www.schneier.com/blog/archives/2024/11/secret-service-tracking-peoples-locations-without-warrant.html)

Why it matters

Mobile networks remain easy surveillance targets, with carriers retaining data carriers for years and vulnerable to hacks or legal demands. For privacy-cautious users like journalists, activists, or high-risk individuals, Cape provides better defaults like short logs and identifier changes without needing burner setups. Watch if Cape delivers on public rollout promises and independent audits, as full privacy claims depend on unproven long-term resilience against advanced threats.