
This breach highlights the risk of insider threats. Over 2000 of these employees filed a class action lawsuit, damaging the reputation of the company. A disgruntled employee leaked the entire employee database online, exposing information about over 100,000 employees.

Morrisons-this British supermarket chain was compromised in 2014.Home Depot was forced to pay $27.25 million in compensation to financial institutions. For almost six months in 2014, attackers lifted information from the PoS terminals at self-check-out lanes using custom-built malware. This breach affected 56 million credit cards and 53 million email addresses. Home Depot data breach-the largest credit-card compromise and point-of-sale in history.

Here are several large, widely publicized breaches that started as security incidents: Most security breaches are not publicly announced. For example, a spam email is a security event, but if an employee clicks on a link in the email, it could be considered an incident because it may expose the system to malware or a phishing attack.
