Michael Potuck
About a month into beta testing, Apple revealed a brand new extreme security
feature this summer called Lockdown Mode that will arrive with iOS 16,
iPadOS 16, and macOS Ventura. Follow along for everything you need to know
like who it's meant for, how it works, and how to turn on/off Lockdown Mode
in iOS 16 on iPhone, and more.
Who is iPhone Lockdown Mode for?
Apple says that the opt-in iPhone Lockdown Mode in iOS 16 (available for
iPad and Mac too) is the first feature of its kind and will provide an
extreme level of security. And truly isn't meant for the average person.
It's made for the very very small percentage of users who might be
specifically targeted by highly sophisticated threats such as
nation-state-sponsored mercenary spyware, like the Pegasus attack.
How does it work?
With Lockdown Mode enabled on iPhone, iPad, or Mac, device functionality is
limited to greatly reduce the "attack surface" of potential exploits and
harden defenses.
Here's how Apple describes the safety measures of Lockdown Mode:
. Messages: Most message attachment types other than images are blocked.
Some features, like link previews, are disabled.
. Web browsing: Certain complex web technologies, like just-in-time (JIT)
JavaScript compilation, are disabled unless the user excludes a trusted site
from Lockdown Mode.
. Apple services: Incoming invitations and service requests, including
FaceTime calls, are blocked if the user has not previously sent the
initiator a call or request.
. FaceTime: Incoming FaceTime calls from people you have not previously
called are blocked.
. Shared Albums: Shared albums will be removed from the Photos app, and new
Shared albums invitations will be blocked.
. Wired connections with a computer or accessory are blocked when iPhone is
locked.
. Configuration profiles cannot be installed, and the device cannot enroll
into mobile device management (MDM), while Lockdown Mode is turned on.
How to turn on Lockdown Mode
1. Open the Settings app in iOS 16/iPadOS 16 or System Settings on macOS
Ventura
2. Choose Privacy & Security
3. At the bottom, tap Lockdown Mode
4. Swipe to the bottom to find Turn On Lockdown Mode
5. Tap Turn On & Restart , enter your passcode if prompted
Turn off Lockdown Mode
1. Head back to the Settings app in iOS 16 or System Settings on macOS
Ventura
2. Choose Privacy & Security
3. At the bottom, tap Lockdown Mode
4. Now tap Turn Off Lockdown Mode
5. Tap Turn Off & Restart , enter your passcode if prompted
Along with the launch of Lockdown Mode this fall, Apple is looking for
collaboration and feedback from researchers and others in the security
community.
To help with that, the company has created a new category in the Apple
Security Bounty Program to reward those who find Lockdown Mode bypasses and
help strengthen the feature.
Notably, bounties will be doubled for qualified Lockdown Mode discoveries,
up to a maximum of $2,000,000 - which Apple says is the highest maximum
bounty payout in the industry.
Thanks for reading our guide on how to turn on/off Lockdown Mode in iOS 16!
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