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Monday's news that a hacker had accessed the personal information of millions of Capital One credit card customers and card applicants probably didn't shock all that many people.

Data breaches sadly are becoming a common occurrence.

Even with 100 million Americans and 6 million Canadians possibly affected, this latest event doesn't even rank among the top 10 such breaches (measured by number of customer records affected.)

Here's a look at five of the largest data breaches on record to date:

1. Yahoo

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2. First American Financial Corp.

firstam.com

Number of records affected: 885 million

Year: 2019

Reason: Poor security

3. Facebook

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Number of records affected: 540 million

Year: 2019

Reason: Poor security

4. Marriott International

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Number of records affected: 500 million

Year: 2018

Reason: Hacking

5. Friend Finder Networks

Number of records affected: 412.2 million

Year: 2016

Reason: Poor security/hacking