Messaging push notifications are a privacy attack surface, says Durov

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Messaging push notifications are a privacy attack surface, says Durov
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Pavel Durov, the co-founder of the Telegram messaging application, said that push notifications create a persistent, critical vulnerability to user privacy, allowing data retrieval even after messages and messaging applications that allow push notification data storage have been deleted from a device.

, originally published by 404 Media, that the United States Federal Bureau of Investigation was able to retrieve deleted messages from a Signal user by accessing device notification logs on an Apple iPhone. Durov “Turning off notification previews won’t make you safe if you use those applications, because you never know whether the people you message have done the same.”Cointelegraph reached out to Signal about the FBI’s data retrieval but did not receive a response by the time of publication. The recent reports highlight how investigators and those with sufficient technical skills can circumvent end-to-end encryption and breach user privacy by accessing metadata and otherBitchat, a decentralized peer-to-peer messaging application that uses Bluetooth mesh networks to relay information between mobile devices, allows users to circumvent the internet and centralized communication networks entirely. Individuals are also finding ways to circumvent national firewalls and bans on privacy-preserving applications by using virtual private networks and other tools that mask or obscure IP addresses and geolocation, according to Durov. Government bans on Telegram have backfired, as users circumvent state-imposed restrictions through VPNs, allowing them to access and download banned platforms, Durov said.EU’s privacy-killing Chat Control bill delayed — but fight isn’t over Cointelegraph is committed to independent, transparent journalism. This news article is produced in accordance with Cointelegraph’s Editorial Policy and aims to provide accurate and timely information. Readers are encouraged to verify information independently. Read our Editorial Policy

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