Edward Snowden wants to let users always know if their iPhone is monitored by the NSA.
Snowden and his co-author and hacking partner Andrew Huang (Huang Xinguo, a well-known Chinese-American hardware hacker, nickname bunnie) together at the Massachusetts Institute of Technology published a study on mobile phone "hardware self-test", dedicated to allowing users to understand Whether their mobile phones are sending secret signals to intelligence agencies.
“This research hopes to give journalists a tool that will let them know when their smart phones are supposed to be in flight mode or expose their location information,†they wrote in this technical paper. To.
Snowden is a former NSA employee and is currently exiled in Moscow; Huang Xinguo is an excellent hacker who has reverse-programmed Xbox and other hardware. They believe that their solutions can protect journalists and activists from being betrayed by their smartphones.
In this paper, they mentioned a journalist Marie Colvin (Marie Colvin) who was killed by the Syrian Armed Forces in 2012. In 2016, a lawsuit against the Syrian government stated that her cell phone signal was intercepted. She was deliberately killed instead of manslaughter.
Your phone is deceiving you
In this paper, Snowden and Huang Xinguo clearly stated that the information you see on the screen of your mobile phone is not always true.
When you turn off Bluetooth or cellular services, the radio and other electronic components of the phone can also send signals, especially when they are controlled by sophisticated intelligence agencies or hackers. And flight mode is not an effective defense because Apple’s current iOS system can also use GPS services in flight mode.
"I believe that a mobile phone in a flight mode that has been "blackened" is like having a drunk person judge whether they are awake enough to drive," they wrote.
The team came up with the idea of ​​making a device that can detect the hardware and scan it without interruption to detect the presence of a signal, rather than using phone software to find suspicious information.
They think that this study can be applied to all mobile phones, but they are currently making this device for the 4.7-inch iPhone 6.
A mobile phone shell that can resist information monitoring
After a lengthy and accurate technical analysis of how the iPhone sends signals, they finally demonstrated their creation. The device looks more like a battery case.
In fact, it will also play this role.
This additional hardware device can provide iPhone with a certain amount of power supply, when the user's device is monitored can send a signal - when the signal should not be transmitted when the signal is sent - or in GPS, cellular, Bluetooth, WiFi "sell "They are their time.
Although this device has not yet been produced, their current findings only remain at the stage of research and technical analysis, but Snowden and Huang Xinguo both plan to prototype devices within this year.
“Because of the meager capital, projects are mainly run under volunteer work. If donations increase, their progress will be accelerated accordingly,†they wrote. "If the prototype is successful, the Press Freedom Foundation (FPF) may further raise the necessary funds to develop and maintain the supply chain. Therefore, FPF can also configure improved iPhone 6 devices to provide field services to journalists working in high-risk environments. ."
This article from the Tencent News client from the media does not represent Tencent News's views and positions.
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