Mac User Guide
- Welcome
- What’s new in macOS Sequoia
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- Get started with Apple Intelligence
- Use Writing Tools
- Use Apple Intelligence in Mail
- Use Apple Intelligence in Messages
- Use Apple Intelligence with Siri
- Get webpage summaries
- Summarize an audio recording
- Create original images with Image Playground
- Use Apple Intelligence in Photos
- Summarize notifications and reduce interruptions
- Use ChatGPT with Apple Intelligence
- Apple Intelligence and privacy
- Block access to Apple Intelligence features
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- Intro to Continuity
- Use AirDrop to send items to nearby devices
- Hand off tasks between devices
- Control your iPhone from your Mac
- Copy and paste between devices
- Stream video and audio with AirPlay
- Make and receive calls and text messages on your Mac
- Use your iPhone internet connection with your Mac
- Share your Wi-Fi password with another device
- Use iPhone as a webcam
- Insert sketches, photos, and scans from iPhone or iPad
- Unlock your Mac with Apple Watch
- Use your iPad as a second display
- Use one keyboard and mouse to control Mac and iPad
- Sync music, books, and more between devices
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- Control what you share
- Set up your Mac to be secure
- Allow apps to see the location of your Mac
- Use Private Browsing
- Keep your data safe
- Understand passwords
- Change weak or compromised passwords
- Keep your Apple Account secure
- Use Mail Privacy Protection
- Use Sign in with Apple for apps and websites
- Find a missing device
- Resources for your Mac
- Resources for your Apple devices
- Copyright
Lock down your Mac if you’re targeted by a cyberattack
You can strictly limit apps, websites, and features if you believe you’re being personally targeted by a highly sophisticated cyberattack.
Lockdown Mode is an optional, extreme protection that’s designed for the very few individuals who, because of who they are or what they do, might be personally targeted by some of the most sophisticated digital threats. Most people are never targeted by attacks of this nature.
Turn on Lockdown Mode
On your Mac, choose Apple menu
in the sidebar, then click Lockdown Mode . (You may need to scroll down.)Click Turn On.
Click Turn On Lockdown Mode.
Click Turn On & Restart.
Enter your login password, then click OK.
After your Mac restarts, you can turn off Lockdown Mode for individual websites. See Customize settings for each website in Safari.
Turn off Lockdown Mode
On your Mac, choose Apple menu
Click Turn Off.
Click Turn Off & Restart.
Enter your login password, then click OK.