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Video Lecture
This week is a crash coruse in information security. I discuss what security means and summarize various types of threats to operating systems and networks. Here is a 
pdf version of the slides featured in the video. Remember to watch the lecture at your own pace by rewinding or fast forwarding as needed.
Questions & Exercises
Some of these questions will be on the next quiz. Remember the answers are in the back of the book.
- Sec 3.5 : 1, 3
- Sec 4.5 : 3, 4, 5
Additional Clips (recommended)
Now would be a good time to finish watching Code.org's series on How The Internet Works. Video #6 explains 256-bit encryption and information security on the Internet, including public and private keys. Video #7 summarizes the most common types of cybercrime including viruses, DDOS attacks, and phishing scams.