This article talks about the want for greater government surveillance after the Paris attacks. It mentions that since Edward Snowden released information about the NSA's digital surveillance power, a lot of measures have been taken to restrict government surveillance. However, since the Paris attacks, the US government is pushing to bring that power back.
This page is from the University of Texas, and it describes different aspects of cryptography in everyday life. For instance, it explains how cryptography plays a large role in authentication, digital money, and time stamping. I liked this webpage because it had a lot of different examples with clear explanations.
"Signage can be an important legal component in the use of video cameras in schools. As mentioned in the previous section, it is important that the presence of video cameras not lead a person to believe he or she will be rescued if attacked."
by Christy Hickman, staff counsel Members often ask whether a school district violates their right to privacy by using video camera surveillance or video recordings of evaluative observations. It is easy to understand the growth of video surveillance in schools, especially with the onslaught of on-campus criminal behavior and the horrendous episodes of violence that we hear of all too frequently.