Your 'hidden' iPhone notifications can be outed by blabbermouth Siri

A recently discovered security flaw shows that Siri will still read your hidden notifications aloud even if your phone is locked. Text messages are still protected however

Siri privacy bug lets it read out most hidden message content on a locked iPhone

That apart, a new bug discovered by Mac Magazine seems to be the most notorious one. This would allow anyone to read your messages, whereby breaching the security code which has always been the main concern to Apple.

We confirmed Siri was able to read out loud hidden messages from third-party messaging apps Signal and WhatsApp on an iPhone X and iPhone 8 Plus running the latest version of iOS (11.2.6). They should be enough to control the problem until Apple rolls out a bug fix.

We've reached out to Apple and will update this story if we receive a response.

While no specific timeline was given, it stands to reason that a fix will be arriving sooner rather than later given the security ramifications of the bug. With this setting enabled, lock screen notifications will remain hidden until a user authenticates with Face ID, Touch ID or passcode.

Upon its release late previous year, iOS 11 was widely viewed as one of the buggiest iOS releases in history.


While facial scans are secured on the iPhone itself, a host of app developers can gather and store information on "how often users blink, smile, or even raise an eyebrow", according to MacRumors. And keeping aside those battery draining issues and applications being unresponsive, iOS 11 bugs didn't even spare the $1,000 iPhone X.

On iPhone X for example, the default is set to "When Unlocked", which means messages on the lockscreen are hidden unless you glance at your screen for Face ID. Go to Settings Siri & Search and toggle Allow Siri When Locked to off. Without checking if it was the user issuing the command, Siri would begin to reel off all of the notifications aloud, including those designated as hidden.

Thankfully there are some basic settings that can prevent Siri from reading out your personal messages without authentication, but it takes a toll at some of your convenience.

Test the bug for yourself: Go to Settings Notifications Select an app (say WhatsApp) Show Previews Select "When Unlocked".

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