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Hacking an iPhone and any Android phone via ultrasonic waves

Hacking an iPhone and any Android phone via ultrasonic waves




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DigitalBank Vault® provides sophisticated Digital Anti Surveillance technologies: military-grade encryption devices for ultra-secure anonymous communication (voice calls & text messaging) with untraceable file transfers & storage solutions.

"Mobile Security Threats 2020- Unsecured Wi-Fi" "Hacking an iPhone and any Android phone via ultrasonic waves" "Mobile Security Threats - Data Leakage" Hacking an iPhone or any Android phone via ultrasonic waves Methods to compromise the security of mobile devices keep evolving.


This time, vulnerability testing specialists, at the University of Washington, unveiled a new variant of smartphone attack, based on the use of ultrasonic waves. While this is not a new method, the report details a much more effective variant. This team of researchers discovered that ultrasonic waves can spread across multiple solid surfaces, to initiate a device’s voice recognition systems. In addition, using various hardware components (affordable for any user) it is possible to listen to the response of the target smartphone.


During their research, experts were able to send voice commands, and get a response from various iOS and Android smartphone models, from a location close to that of device owners. In other words, vulnerability testing specialists managed to control these devices, from afar. While ultrasonic waves are out of reach for the human ear, the microphone of any smartphone is able to register them. Vulnerability testing specialists proved able to retrieve an access code sent to the target smartphone, via SMS. The exploitation of this flaw was based on the ability of any voice assistant, to access the content of a text message, in addition to the use of two-factor authentication. In the second attack tested, the researchers managed to make a call by sending the command “call Sam with the speaker”, to the target device, which in effect triggered a phone call. Using the microphone, vulnerability testing researchers managed to have a conversation with “Sam”, a randomly chosen name.


While exploiting these weaknesses in the wild is complex, and even unlikely, it’s worth that manufacturers take this possibility into account, and implement some additional security measures.


DigitalBank Vault provides sophisticated Digital Anti Surveillance technologies: military-grade encryption devices for ultra-secure anonymous communication (voice calls & text messaging) with untraceable file transfers & storage solutions.


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