Entries Tagged "cell phones"

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China’s Olympics App Is Horribly Insecure

China is mandating that athletes download and use a health and travel app when they attend the Winter Olympics next month. Citizen Lab examined the app and found it riddled with security holes.

Key Findings:

  • MY2022, an app mandated for use by all attendees of the 2022 Olympic Games in Beijing, has a simple but devastating flaw where encryption protecting users’ voice audio and file transfers can be trivially sidestepped. Health customs forms which transmit passport details, demographic information, and medical and travel history are also vulnerable. Server responses can also be spoofed, allowing an attacker to display fake instructions to users.
  • MY2022 is fairly straightforward about the types of data it collects from users in its public-facing documents. However, as the app collects a range of highly sensitive medical information, it is unclear with whom or which organization(s) it shares this information.
  • MY2022 includes features that allow users to report “politically sensitive” content. The app also includes a censorship keyword list, which, while presently inactive, targets a variety of political topics including domestic issues such as Xinjiang and Tibet as well as references to Chinese government agencies.
  • While the vendor did not respond to our security disclosure, we find that the app’s security deficits may not only violate Google’s Unwanted Software Policy and Apple’s App Store guidelines but also China’s own laws and national standards pertaining to privacy protection, providing potential avenues for future redress.

News article:

It’s not clear whether the security flaws were intentional or not, but the report speculated that proper encryption might interfere with some of China’s ubiquitous online surveillance tools, especially systems that allow local authorities to snoop on phones using public wireless networks or internet cafes. Still, the researchers added that the flaws were probably unintentional, because the government will already be receiving data from the app, so there wouldn’t be a need to intercept the data as it was being transferred.

[…]

The app also included a list of 2,422 political keywords, described within the code as “illegalwords.txt,” that worked as a keyword censorship list, according to Citizen Lab. The researchers said the list appeared to be a latent function that the app’s chat and file transfer function was not actively using.

The US government has already advised athletes to leave their personal phones and laptops home and bring burners.

Posted on January 21, 2022 at 6:06 AMView Comments

How the FBI Gets Location Information

Vice has a detailed article about how the FBI gets data from cell phone providers like AT&T, T-Mobile, and Verizon, based on a leaked (I think) 2019 139-page presentation.

EDITED TO ADD (11/12): My mistake. It was not a leak:

Ryan Shapiro, executive director of nonprofit organization Property of the People, shared the document with Motherboard after obtaining it through a public record act request. Property of the People focuses on obtaining and publishing government records.

Posted on October 27, 2021 at 9:01 AMView Comments

Commercial Location Data Used to Out Priest

A Catholic priest was outed through commercially available surveillance data. Vice has a good analysis:

The news starkly demonstrates not only the inherent power of location data, but how the chance to wield that power has trickled down from corporations and intelligence agencies to essentially any sort of disgruntled, unscrupulous, or dangerous individual. A growing market of data brokers that collect and sell data from countless apps has made it so that anyone with a bit of cash and effort can figure out which phone in a so-called anonymized dataset belongs to a target, and abuse that information.

There is a whole industry devoted to re-identifying anonymized data. This was something that Snowden showed that the NSA could do. Now it’s available to everyone.

Posted on July 23, 2021 at 8:58 AMView Comments

Identifying People Through Lack of Cell Phone Use

In this entertaining story of French serial criminal Rédoine Faïd and his jailbreaking ways, there’s this bit about cell phone surveillance:

After Faïd’s helicopter breakout, 3,000 police officers took part in the manhunt. According to the 2019 documentary La Traque de Rédoine Faïd, detective units scoured records of cell phones used during his escape, isolating a handful of numbers active at the time that went silent shortly thereafter.

Posted on April 29, 2021 at 6:07 AMView Comments

Phone Cloning Scam

A newspaper in Malaysia is reporting on a cell phone cloning scam. The scammer convinces the victim to lend them their cell phone, and the scammer quickly clones it. What’s clever about this scam is that the victim is an Uber driver and the scammer is the passenger, so the driver is naturally busy and can’t see what the scammer is doing.

Posted on April 6, 2021 at 6:05 AMView Comments

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Sidebar photo of Bruce Schneier by Joe MacInnis.