Do you suddenly need to stop using Apple iMessage? ForbesTech
Apple is also launching an on-device screener for photos that users send to iCloud, hashing images to check against content flagged by law enforcement. “We want to help protect children from predators who use communication tools to recruit and exploit them,” Apple says, “and limit the spread of Child Sexual Abuse Material.
Apple’s timing is dreadful. Pegasus raised two serious concerns—that Apple’s ecosystem, including iMessage, has dangerous vulnerabilities, and that Apple’s opaque communications and “black box” security made for a very unhealthy mix. Now we can add a third—what happens on your iPhone no longer stays on your iPhone.
This lack of clarity has shocked many iPhone users. “There were indications [with iOS 14.7.1] that it might have been fixed, but we don’t know” STC’s Kate O’Flaherty warns in this week’s video. “Even the best security researchers can’t say... The real problem is Apple’s complete lack of transparency. Everyone wants this to be fixed, but we don’t know if it’s fixed.
And this brings us to the risk from “unknown senders.” The ubiquity of SMS means that, broadly speaking, you can text any phone from your own. WhatsApp, iMessage and others replicate that ubiquity, but they also open your phone to serious new risks. Automatically downloading images that might be hiding malicious code, processing other attachments, or back-end processing where vulnerabilities might be exploited.
I tested the filter with normal iPhone to iPhone messages from non-contacts and the push notifications, previews, attachments and metadata all came through. All that changed is the separation into two lists, known and unknown, optics. Researcher Tommy Mysk ran the same tests from iCloud to iPhone and found the same. It seems that it worked originally, but may have changed with the launch of iOS 14.
And on top of that we now have that on-device iMessage screening for sexual imagery to further confuse and alarm users. iMessage is about to change its spots.
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