If you want to learn more about IT Law, you can read them in the following textbook:

Some of the security topics we will discuss are connected to some aspects in the following presentation from an old lecture.

IT security has severe impacts on the financial and operational health of organizations. Insufficient IT security can be very expensive. An example of a very easily avoided security risk (not using Windows XP in 2017) was the virus Wanna Cry.

More statistics about the economic aspect of IS/ICT security can be found in some of the publicly accessible reports:

• M-Trends
• Situation in the UK
• PWC study

For illustration, you can see the basic overview of costs resulting from IT security in 2015 in the UK (PWC report 2015).

For learning more about IT law, you can watch a lecture from Jan Tomíšek.

The slides are accessible here.