Data breaches, hacking and invasions of privacy: How to know if you've been affected and what to do about it

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Every day of your life, much of what you do is being tracked.

As soon as you pick up your mobile phone, browse the internet, use a debit card, talk to a smart speaker or take public transport, your activity becomes a small part of a vast map of data shared between companies to predict your behaviour, improve their services or sell you products.

For businesses that properly anonymise customer data, you are merely a number. They might know what neighbourhood you live in, your age bracket and your habits when you use their services, but they don't identify you individually.

But if you have accounts tied to credit or debit cards, social media, online shopping sites or loyalty programmes, details...

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