Apps and platforms like Signal, iMessage, and WhatsApp all provide end-to-end encryption, but it's not that straightforward — and the technology's backdoors and compliance with authorities can lead to major problems.
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“Right now, under U.S. law, it’s lawful for government authorities to buy up commercially available information from data brokers and other third parties,” said Samir Jain, the vice president of policy at the Center for Democracy & Technology. “If you buy up massive amounts of data and allow AI to analyze it, you may end up, in effect, engaging in mass surveillance of Americans through that process. It’s not currently restricted by law or prohibited by law.”