How to Reset the Advertising Identifier on your Mac, iOS Device, or Apple TV

In this week’s episode of the Intego Mac Podcast, we discussed the “advertising identifier,” a unique identifier assigned to each Mac, iOS device, and Apple TV. The subject came up because the Mozilla foundation is calling on Apple to reset this identifier once a month.

The advertising identifier on an Apple device does not identify you personally, but it can be used by advertisers to create a profile about you. If it’s never reset, that profile increases in detail, allowing advertisers to target ads to you based on your Internet activity.

Mozilla’s point is that resetting this identifier prevents advertisers from developing rather detailed profiles on users, and is simple to do. It’s not a hardware identifier (such as the EMEI of your iPhone), but rather a number generated by your operating system.

However, you can manually reset this advertising identifier, and it’s a good idea to do so regularly. Here’s how.

Read the rest of the article on The Mac Security Blog.

1 thought on “How to Reset the Advertising Identifier on your Mac, iOS Device, or Apple TV

  1. I guess this is Mojave. Do you know of a way to reset this in High Sierra where is no item Advertising under Privacy?
    Thanks!

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