Investing in IT security can be hard to prioritize unless you know what you are helping to avoid.

At Cornell

Record of IT security breaches at Cornell, including number of records compromised (per Privacy Rights Clearinghouse)

• https://www.privacyrights.org/data-breach-asc?title=cornell

More generally

Real-time cyber-security attacks, worldwide:

• http://map.norsecorp.com/

Graphically see the "World's Biggest Data Breaches", over the years:

• http://www.informationisbeautiful.net/visualizations/worlds-biggest-data-breaches-hacks/
• You can easily parse the data by type or magnitude of breach, all presented with a time-line.

Investigating apparent IT breach, Stanford urges users to update passwords (Stanford Report, July 24, 2013)

• http://news.stanford.edu/news/2013/july/apparent-system-breach-072413.html