The Biggest Data Breaches of 2024-2025 and What You Can Learn
From Ticketmaster to AT&T — the largest data breaches of the last two years and what they mean for your personal security.
The last two years have seen some of the largest data breaches in history. Here's what happened and what you should do.
Ticketmaster (2024) — 560 Million Records
In May 2024, the hacking group ShinyHunters claimed to have stolen 560 million records from Ticketmaster, including names, addresses, phone numbers, and partial payment card data. If you've ever bought tickets online, check your email.
AT&T (2024) — 73 Million Customers
AT&T confirmed a massive breach affecting 73 million current and former customers, including Social Security numbers and encrypted passcodes. The data appeared on the dark web in March 2024.
National Public Data (2024) — 2.7 Billion Records
One of the largest breaches ever. A background check company leaked billions of Social Security numbers, names, and addresses. If you're American, your data almost certainly appeared here.
Change Healthcare (2024)
A ransomware attack on UnitedHealth's Change Healthcare subsidiary exposed medical records and payment information for a significant portion of the US population.
What You Can Do
- Check your email in BreachWatch — many of these breaches are now in our database
- Change passwords for any account connected to your email
- Monitor your credit if your Social Security or financial data was exposed
- Set up alerts so you know immediately if you appear in future breaches
The trend is clear: breaches are getting bigger and more frequent. Continuous monitoring is no longer optional.
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