Cops use Stingrays—fake cellular towers that fool cellphones into connecting to them instead of the real thing—to track people and hack into their devices. Sen. Ron Wyden, in a publicized letter to the U.S. Department of Jusice, exposes the fact that these devices disrupt and disable attempts to call emergency services.
Senior officials from the Harris Corporation—the manufacturer of the cell-site simulators used most frequently by U.S. law enforcement agencies—have confirmed to my office that Harris’ cell-site simulators completely disrupt the communications of targeted phones for as long as the surveillance is ongoing. According to Harris, targeted phones cannot make or receive calls, send or receive text messages, or send or receive any data over the Internet. Moreover, while the company claims its cell-site simulators include a feature that detects and permits the delivery of emergency calls to 9-1-1, its officials admitted to my office that this feature has not been independently tested as part of the Federal Communication Commission’s certification process, nor were they able to confirm this feature is capable of detecting and passing-through 9-1-1 emergency communications made by people who are deaf, hard of hearing, or speech disabled using Real-Time Text technology.
It is striking, but unfortunately not surprising, that law enforcement has been allowed to use these technologies and has continued to use them despite the significant and undisclosed risk to public safety posed by disabling 911 service, not to mention the myriad privacy concerns related to CSS use.
It's a cliché, but it's true: the cops are out of control.
Previously: Randomly-generated catalog of creepily nondescript police state technology you can't buy
In 2012, the Wall Street Journal first reported on a mysterious cellphone surveillance tool being used by law-enforcement; years later, we learned that the origin of this report was an obsessive jailhouse lawyer who didn't believe that the cops had caught him the way they said they had.
The millions of Hong Kong people participating in the #612strike uprising are justifiably worried about state retaliation, given the violent crackdowns on earlier uprisings like the Umbrella Revolution and Occupy Central; they're also justifiably worried that they will be punished after the fact.
Stingrays (AKA IMSI catchers) are a widespread class of surveillance devices that target cellular phones by impersonating cellular towers to them (they're also called "cell-site simulators").
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