Arguing Against CALEA
April 8 2025At a Congressional hearing earlier this week, Matt Blaze made the point that CALEA, the 1994 law that forces telecoms to make phone calls wiretappable, is outdated...
Read moreBackdoor in TETRA Police Radios
July 26 2023Seems that there is a deliberate backdoor in the twenty-year-old TErrestrial Trunked RAdio (TETRA) standard used by police forces around the world.
The European Telecommunications Standards Institute (ETSI), an...
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Recovering Smartphone Voice from the Accelerometer
December 30 2022Yet another smartphone side-channel attack: “EarSpy: Spying Caller Speech and Identity through Tiny Vibrations of Smartphone Ear Speakers“:
Abstract: Eavesdropping from the user’s smartphone is a well-known threat to...
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Ukraine Intercepting Russian Soldiers’ Cell Phone Calls
December 21 2022They’re using commercial phones, which go through the Ukrainian telecom network:
“You still have a lot of soldiers bringing cellphones to the frontline who want to talk to their...
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Lightning Cable with Embedded Eavesdropping
September 7 2021Normal-looking cables (USB-C, Lightning, and so on) that exfiltrate data over a wireless network. I blogged about a previous prototype here.
Read moreEavesdropping on Phone Taps from Voice Assistants
December 22 2020
The microphones on voice assistants are very sensitive, and can snoop on all sorts of data:
In Hey Alexa what did I just type? we show that when...
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Copying a Key by Listening to It in Action
August 20 2020Researchers are using recordings of keys being used in locks to create copies. Once they have a key-insertion audio file, SpiKey's inference software gets to work filtering the signal...
Read moreiPhone Apps Stealing Clipboard Data
June 29 2020iOS apps are repeatedly reading clipboard data, which can include all sorts of sensitive information. While Haj Bakry and Mysk published their research in March, the invasive apps made...
Read moreNew research is able to recover sound waves in a room by observing minute changes in the room's light bulbs. This technique works from a distance, even from a...
Read moreRoberto Escobar says a FaceTime eavesdropping bug led to his address being leaked, assassination threats, and being forced into hiding.
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