A New Ultrasonic Hack Can Exploit Your Siri

Researchers are sounding the alarm about a new type of hack focused on smart digital assistants like the Amazon Alexa or Apple’s Siri. The hack, called a “SurfingAttack,” uses ultrasonic guided waves that are imperceptible to the human ear to communicate with a device through the voice assistant. It could be used to target Ring […]

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What an Uptick in ‘Coinjoins’ Says About Bitcoin’s Value Proposition

With the global economy reeling from the coronavirus crisis, bitcoiners are increasingly turning to crypto wallets with privacy features.   A masking feature called “coinjoin” batches transactions together so it’s harder to identify specific participants. Some refer to it as “mixing,” but others dislike that term for its associations with money laundering. The bitcoin-centric Samourai Wallet, […]

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