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Security Bite: How to quickly password protect image files on Mac

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9to5Mac Security Bite is exclusively brought to you by Mosyle, the only Apple Unified Platform. Making Apple devices work-ready and enterprise-safe is all we do. Our unique integrated approach to management and security combines state-of-the-art Apple-specific security solutions for fully automated Hardening & Compliance, Next Generation EDR, AI-powered Zero Trust, and exclusive Privilege Management with the most powerful and modern Apple MDM on the market. The result is a totally automated Apple Unified Platform currently trusted by over 45,000 organizations to make millions of Apple devices work-ready with no effort and at an affordable cost. Request your EXTENDED TRIAL today and understand why Mosyle is everything you need to work with Apple.


Let’s say you have screenshots of sensitive information sitting on your desktop that you’d like to password protect. You know that images of tax, banking, wire transfer forms, etc. in the clear can easily be viewed by anyone with physical or remote access to your machine, but you’re unsure how to secure them. Unfortunately, macOS Preview doesn’t support file-level password protection, but there are quick workarounds that don’t require third-party software or downloading anything not already on your Mac.

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9to5Mac Daily: December 30, 2025 – CarPlay and car key news

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Listen to a recap of the top stories of the day from 9to5Mac. 9to5Mac Daily is available on iTunes and Apple’s Podcasts appStitcherTuneInGoogle Play, or through our dedicated RSS feed for Overcast and other podcast players.

Sponsored by Roborock: Save on Roborock’s flagship vacuums — but hurry, these deals won’t last long!

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Holiday tech support, Hold Assist, Ask9to5Mac

Benjamin and Chance return from the holiday break with some classic stories of tech support from the trenches. Also, iOS 26 Hold Assist proves better in theory than in reality based on listener feedback, and we do some Ask9to5Mac to close out 2025. 

And in Happy Hour Plus, Benjamin and Chance debate what should be 9to5Mac’s Product of the Year. Subscribe at 9to5mac.com/join

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Apple @ Work Podcast: 2026 predictions for Apple IT admins

Apple @ Work is exclusively brought to you by Mosyle, the only Apple Unified Platform. Mosyle is the only solution that integrates in a single professional-grade platform all the solutions necessary to seamlessly and automatically deploy, manage & protect Apple devices at work. Over 45,000 organizations trust Mosyle to make millions of Apple devices work-ready with no effort and at an affordable cost. Request your EXTENDED TRIAL today and understand why Mosyle is everything you need to work with Apple.

In this episode of Apple @ Work, I discuss how I believe the world of Apple IT will evolve in 2026.

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Security Bite: What ‘Ask App Not to Track’ actually does

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9to5Mac Security Bite is exclusively brought to you by Mosyle, the only Apple Unified Platform. Making Apple devices work-ready and enterprise-safe is all we do. Our unique integrated approach to management and security combines state-of-the-art Apple-specific security solutions for fully automated Hardening & Compliance, Next Generation EDR, AI-powered Zero Trust, and exclusive Privilege Management with the most powerful and modern Apple MDM on the market. The result is a totally automated Apple Unified Platform currently trusted by over 45,000 organizations to make millions of Apple devices work-ready with no effort and at an affordable cost. Request your EXTENDED TRIAL today and understand why Mosyle is everything you need to work with Apple.


When Apple dropped App Tracking Transparency (ATT) prompts in iOS 14.5 back in 2021, it was a watershed moment for user privacy within third-party applications. Nothing like it had existed prior. The initiative gave iPhone users control over whether their in-app data could be aggregated and shared with third parties for advertising or other purposes.

Still, today, I often find comments online from people who don’t really know what it does and find the wording very taboo. Like, why “Ask” the app? And is it still effective? Let’s briefly look at App Tracking Transparency in 2025…

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