The news: Apple is preparing to roll out an image scanning tool that will inspect users’ photos for child sexual abuse media (CSAM) on iPhones and iCloud, according to leaks from John Hopkins University cryptography professor Matthew Green later confirmed by The Financial Times and Apple. Though other major cloud services already scan for child sexual abuse and other harmful content, Apple’s software works differently, scanning images locally on a user’s device before it ever reaches iCloud.
How it works: The software, called “neuralMatch,” would use a hashing technology called NeuralHash to scan images on a user’s device and cross-reference them with a database of known CSAM files, all without decrypting the data.
If enough similarities are flagged, the user’s data is then reviewed by an Apple employee, and passed along to law enforcement if necessary.
Apple said it’s developing another feature that will take action when a user searches for CSAM terms via Siri or Search, as well as new tools that will warn users if a child sends or receives sexual content through the Messages app. It’s worth underscoring that while Apple confirmed plans to roll out the features for iOS 15 and macOS Monterey in coming months, it did so only after leaks and media reports made the controversial new initiatives public.
Why now? Apple’s decision marks a departure from its industry-leading, hard-line approach to encryption and comes amid growing calls from lawmakers in the US and around the world to weaken encryption by providing backdoors to law enforcement, often using child exploitation as the principal justification.
The pushback: Though neuralMatch could make a meaningful difference in deterring circulation of CSAM, the program immediately aroused fears from a diverse cast of privacy and security experts over potential misuse.
The bigger picture: Despite its good intentions, neuralMatch could muddy Apple’s reputation as the vanguard of consumer privacy and bulwark against government anti-encryption efforts. Apple risks replicating a misstep made by WhatsApp earlier this year, where user backlash to its new privacy update tarnished its brand identity, resulting in surging downloads of competing messaging apps.
The bottom line: Public perception of a major privacy shift and continued opposition from vocal privacy leaders could present a major challenge for Apple in maintaining its brand image and users’ trust.
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