Entries Tagged "surveillance"

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Firechat

Firechat is a secure wireless peer-to-peer chat app:

Firechat is theoretically resistant to the kind of centralized surveillance that the Chinese government (as well as western states, especially the US and the UK) is infamous for. Phones connect directly to one another, establish encrypted connections, and transact without sending messages to servers where they can be sniffed and possibly decoded.

EDITED TO ADD (10/1): Firechat has security issues.

Posted on October 1, 2014 at 2:25 PMView Comments

StealthGenie CEO Indicted

StealthGenie is a Pakistani company that sells a smartphone app that allows a remote party to monitor the phone. The CEO was just indicted in the US:

“Selling spyware is not just reprehensible, it’s a crime,” Leslie Caldwell, assistant attorney general in the DOJ’s Criminal Division, said in a statement. “Apps like StealthGenie are expressly designed for use by stalkers and domestic abusers who want to know every detail of a victim’s personal life—all without the victim’s knowledge.”

This is likely to be a big deal. The company should have sold the spyware only to governments. That would have been okay.

Posted on October 1, 2014 at 10:48 AMView Comments

Eavesdropping by Visual Vibrations

Researchers are able to recover sound through soundproof glass by recording the vibrations of a plastic bag.

Researchers at MIT, Microsoft, and Adobe have developed an algorithm that can reconstruct an audio signal by analyzing minute vibrations of objects depicted in video. In one set of experiments, they were able to recover intelligible speech from the vibrations of a potato-chip bag photographed from 15 feet away through soundproof glass.

In other experiments, they extracted useful audio signals from videos of aluminum foil, the surface of a glass of water, and even the leaves of a potted plant.

This isn’t a new idea. I remember military security policies requiring people to close the window blinds to prevent someone from shining a laser on the window and recovering the sound from the vibrations. But both the camera and processing technologies are getting better.

News story.

Posted on August 8, 2014 at 11:50 AMView Comments

The US Intelligence Community has a Third Leaker

Ever since the Intercept published this story about the US government’s Terrorist Screening Database, the press has been writing about a “second leaker”:

The Intercept article focuses on the growth in U.S. government databases of known or suspected terrorist names during the Obama administration.

The article cites documents prepared by the National Counterterrorism Center dated August 2013, which is after Snowden left the United States to avoid criminal charges.

Greenwald has suggested there was another leaker. In July, he said on Twitter “it seems clear at this point” that there was another.

Everyone’s miscounting. This is the third leaker:

  • Leaker #1: Edward Snowden.
  • Leaker #2: The person who is passing secrets to Jake Appelbaum, Laura Poitras and others in Germany: the Angela Merkel surveillance story, the TAO catalog, the X-KEYSCORE rules. My guess is that this is either an NSA employee or contractor working in Germany, or someone from German intelligence who has access to NSA documents. Snowden has said that he is not the source for the Merkel story, and Greenwald has confirmed that the Snowden documents are not the source for the X-KEYSCORE rules. I have also heard privately that the NSA knows that this is a second leaker.
  • Leaker #3: This new leaker, with access to a different stream of information (the NCTC is not the NSA), whom the Intercept calls “a source in the intelligence community.”

Harvard Law School professor Yochai Benkler has written an excellent law-review article on the need for a whistleblower defense. And there’s this excellent article by David Pozen on why government leaks are, in general, a good thing.

Posted on August 7, 2014 at 12:14 PMView Comments

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Sidebar photo of Bruce Schneier by Joe MacInnis.