TransUnion BreachDate: November 2022

TransUnion is the third-largest credit bureau in the world. It serves over a billion customers in 30 countries, 200 million of which are Americans.

What Was the Breach?

The breach appears to have been unauthorized access to some of TransUnion’s internal databases. The accessed information included financial account numbers, names, social security numbers, and driver’s license numbers. TransUnion said it “arranged to offer (the victims) complimentary identity theft protection and credit monitoring services for a period of forty-two months.”

How Did the Breach Occur?

At the time of writing, TransUnion has not commented on the cause of the breach. Limited information is available on the breach, with most of our information coming from the Massachusetts Attorney General’s Office’s website.

When Did This Breach Occur?

This breach occurred on November 7th, 2022.

Who Does the Breach Impact?

The breach seems to impact mainly American credit users. As the details of the breach are limited, it is hard to find data on how many people were affected. However, TransUnion has 32 petabytes of personal data on a billion customers; for those unfamiliar with the term, a petabyte is one million gigabytes. 32 million gigs of data are in TransUnion’s hands and may very well be in malicious actors’ hands.

How Many Files Does the Breach Affect?

The breach is said to have affected about 200 million Americans; there are around 209,128,100 adults living in America. Almost all active credit users in the US have been affected by this breach.


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