The Princeton Review inadvertently exposed the personal data and test scores of tens of thousands of Florida students on its Web site. Such breaches are not uncommon: There were 446 publicly reported breaches in the U.S. in 2007. Some experts suggest that as few as 5% of breaches get publicly reported. One of the testing company’s competitors told The New York Times about the hole, under the condition that it not be named. The GAO last year found that data breaches seldom lead to identity theft.”]
Source: https://www.darkreading.com/attacks-breaches/princeton-review-security-flaw-outed-by-competitor