Glenn FleishmanSenior Contributor, Macworld

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Glenn Fleishman is the author of dozens of books, including his newly released A Practical Guide to Networking, Privacy, and Security in iOS 10, a book that has information and step-by-step advice on connecting to and managing networks, and securing your data and your privacy. He's a senior contributor to Macworld, where he writes the Private I and Mac 911 columns and hosts the Macworld podcast, and contributes regularly to many periodicals.

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How to avoid password-prompted phishing scams in iOS

An open-source development project founder shows proofs of concept of how malicious parties can make you think they’re Apple.

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iOS 11: How to take great photos with the Camera app

Beyond the expanded Portrait mode in the iPhone 8 Plus, taking enhanced pictures requires more preparation on all recent iPhones.

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Why Photos for macOS says an image is an unsupported image format

You might be seeing a message if you’ve updated iOS to version 11 and not macOS to High Sierra.

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iTunes 12.7: Can you really delete iOS apps stored by iTunes?

Deleting those iOS apps seems like a scary thing to do. But if you are using iTunes 12.7, you can do it. Really.

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What to do when ransomware strikes your Mac

Scammers are using purloined iCloud credentials to lock Macs with a message demanding payment.

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Safari bookmark sync out of whack? Here’s the solution

If your bookmarks are always disappearing, the fix is easy to implement.

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How to markup and send a photo in iOS Messages

The iOS 11 Messages app requires a variety of tapping to get to the right place to send an annotated photo.

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How to empty your Safari Reading List

If you want to clear that list, you have to navigate deeply in iOS, or use a few simple clicks in macOS.

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How to better manage your iCloud file storage

Apple's iCloud is handy in that it lets you have access to your files on multiple devices that have internet access. But what's actually stored in iCloud isn't that obvious to the user.

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How Optimized iPhone Storage works with iCloud Photo Library

When you select an image or video, iOS downloads the full-resolution version.

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How to make sure you remove photos from iCloud Photo Library

Here's how to make sure your pictures are removed from iCloud Photo Library

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How to stop your Mac from auto-connecting to a Wi-Fi network

If you use Wi-Fi hotspots, your Mac may try to reconnect to a service when you don't need it to. Here's how to stop that from happening.

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Apple File System FAQ: How APFS works with older Macs, encryption, external drives, and other questions

Your questions about APFS mounted up, and we have a pile of answers and advice.