Fantastic computer science teaching videos
Great networking overview content
Kerberos is a protocol that manages to stay secure using only symmetric cryptography (AES)
If you want to truly know ZFS, watch this talk
Possibly the most beautifully animated video ever
Possibly the most important algorithm in securing the modern internet
Great explanation of the concept
Always appreciate the animation style here
All of her talks are very understandable but this one is great
In case you are curious about the algorithms behind OSPF, IS-IS, and BGP