The Top 5 Data Breaches of 2024

2024 has been a year of multiple data breaches, 

with cybercriminals targeting businesses across industries. From healthcare to tech giants, no sector is safe. But what do these high-profile breaches mean for your business?

Small to midsize businesses (SMBs) face the same vulnerabilities as large corporations but often lack the resources to recover quickly. A single breach can cause massive financial loss, operational downtime, and reputational damage.

Here’s a breakdown of the top breaches this year and what they reveal about cybersecurity risks—and how you can protect your business.

1. National Public Data Breach

In one of the largest breaches ever reported, hackers accessed 2.7 billion personal records from a background-checking and public data-brokering platform. The exposed information included Social Security numbers, addresses, and other sensitive details.

While some data accuracy is still under review, the sheer scale of the breach highlights the importance of monitoring your online and financial identities. A simple but effective first step is freezing your credit to protect against fraud. If you think you may have been affected, you can check your exposure here.

2. Ticketmaster

Hackers targeted Ticketmaster’s database earlier this year, compromising the personal and financial information of over 560 million customers. Victims reported unauthorized transactions and identity theft, raising concerns about Ticketmaster’s cybersecurity measures.

The breach serves as a reminder that even trusted platforms can fall victim to sophisticated attacks.

3. Change Healthcare

A ransomware attack in February exposed the personal information of over 145 million individuals, making it one of the largest breaches in healthcare history. Sensitive data, including Social Security numbers and medical records, was compromised, creating widespread disruptions across the industry.

This incident underscores the critical need for strong cybersecurity in industries handling highly sensitive data.

4. AT&T

In March, AT&T suffered a massive breach affecting approximately 73 million customers. Exposed data included Social Security numbers and account details, some of which dated back to 2019.

This breach is part of a troubling trend, as AT&T has been targeted multiple times in recent years. It’s a stark reminder for all businesses—big or small—of the importance of regularly updating security protocols.

5. Dell

In May, a brute-force attack on a Dell reseller portal exposed 49 million records containing customer information, payment details, and account credentials. The breach has sparked calls for greater scrutiny of third-party vendor security practices.

For businesses relying on third-party vendors, this breach highlights the importance of evaluating and monitoring your supply chain for potential vulnerabilities.

What This Means For Individuals

If you suspect your data has been compromised, the first step is to freeze your credit and monitor your bank accounts. You can also use resources like https://npd.pentester.com to check if your email address was exposed in any breaches.

What This Means For Your Business

These breaches didn’t just affect major corporations; they also provide valuable lessons for SMBs. Cybercriminals often target smaller businesses because they tend to lack the same level of cybersecurity defenses as larger organizations.

Without proper protection, your business is at risk of downtime, data loss, and irreparable harm to your reputation.

How Can We Help?