In March, a bill called the EARN IT Act was introduced that could in practice ban strong end-to-end encryption if passed in its current form. You really want the content of the communications, and the best way to do that in end-to-end encryption is just to encourage the recipient to report the conversation."Ī Facebook spokesperson, asked about that possibility of client-side content analysis, says the measure "wasn’t considered and isn’t necessary for this safety feature."įacebook, along with plenty of other tech companies, has come under growing pressure from the Trump administration and Congress to build mechanisms into encryption that allow law enforcement access to communications and stored data. That could be used to get a search warrant and to possibly prosecute the person. "Whereas if somebody actually sends a request for nudes to a kid, that is probably illegal in most cases. "You're not going to arrest somebody because your data shows that they tried to 'friend' a bunch of teenage girls," Stamos adds. Stamos also notes that if Facebook emphasized reporting rather than mere blocking in its alerts to, those reports could create evidence that law enforcement could use against serious criminals. That on-device content analysis and reporting allow Facebook to find bad actors faster than mere metadata scanning, Stamos says, while still maintaining end-to-end encryption. And once they do that, they should prompt people to be able to report it," Stamos says. "I think they should have client-side looking-at-content. "As we move to end-to-end encryption, we are investing in privacy-preserving tools like this to keep people safe without accessing message content." "We’re introducing safety notices in Messenger that will pop up in a chat and provide tips to help people spot suspicious activity and take action to block or ignore someone when something doesn’t seem right," reads a blog post from Facebook's director of product management for Messenger privacy and safety Jay Sullivan. Facebook has said it will eventually roll out that end-to-end encryption to all Messenger chats by default. But crucially, Facebook says that the detection will occur only based on metadata-not analysis of the content of messages-so that it doesn't undermine the end-to-end encryption that Messenger offers in its Secret Conversations feature. The feature, which Facebook started rolling out on Android in March and is now bringing to iOS, uses machine learning analysis of communications across Facebook Messenger's billion-plus users to identify shady behaviors. Today Facebook is rolling out new abuse-detection and alert tools in Messenger that may help address that criticism-without weakening its protections.įacebook today announced new features for Messenger that will alert you when messages appear to come from financial scammers or potential child abusers, displaying warnings in the Messenger app that provide tips and suggest you block the offenders. For the last year, governments around the world have pressured Facebook to abandon its plans for end-to-end encryption across its apps, arguing that the feature provides cover for criminals and, above all, child predators.
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