How to use Apple’s new re-used password warning to reduce your risk of account hijacking

A new warning in both iOS 12 and macOS 10.14 Mojave alerts you when you use a password with two or more sites or apps.

Password obscured.
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Glenn Fleishman is the author of dozens of books. His most recent include Take Control of Your M-Series Mac, Take Control of Securing Your Mac, Take Control of Zoom, and Six Centuries of Type and Printing. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.