Data loss statistics

This blog post is meant to show statistics of all time security incidents.
(The information is up to date 31 March 2011)

First let’s take a look a the number of incidents during the years.

number of incidents

There is information on atleast 450 incidents during 2010, while this year has atleast 125 incidents already. Below are examples of the recent incidents along with the number and type of data lost.

  • 970 credit card numbers and their expiration dates were accessed after a malware infection of an online site used to purchase park passes (summary here). The incident occurred on March 24, 2011.
  • 200 employees’ names, addresses, dates of birth and national insurance numbers were sent to a member (summary here), in error. This incident occurred on March 23, 2011.
  • 400,000 email addresses (summary here) were exposed due to a website hack.

Largest incident

  • 130,000,000 credit card numbers (summary here) was compromised 2 years ago, which still holds the record for the largest security breach on the Internet.

types of incidents

The graph shows that most of the breaches are done due to stolen laptops, followed with only 2% less by hacking attempts.

Diagrams and statistics provided by datalossdb.org

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