What exactly is a data breach and why should I care?

Data breaches have become common, and if you’ve actively used online services in the past year, you might have been affected by them. For example, the Advance Auto Parts breach exposed more than 2.3 million users' personal information, while a recent AT&T incident allowed hackers to access around six months of customer call and text interactions. But what do bad actors do with all this data?

John from Jackson, Mississippi, asked a similar question that I want to highlight and address...