Computer and Network Security
Spring 2026
The course covers principles of building secure systems. Many hands-on examples during the course will show how things go wrong when these principles are not followed.
Administrative
| Lectures: | Monday and Wednesday, 1:30–2:50. Bishop Aud. |
| Sections: | Friday, 11:30 - 12:20 PM. Location: Hewlett 102. |
| CA mailing list: | cs155ta@cs |
Course announcements will be made via Ed Discussions. All non-sensitive questions/concerns should be asked through that dicussion board. Regrade requests should be made through Gradescope. Sensitive questions and OAE letters should be sent to the CA mailing list.
Final Exam
The final exam is scheduled for Monday, June 8. It will be a 3-hour remote exam proctored over Gradescope, with a 24-hour window to take the exam.
Here are sample final exams from previous years. These are intended for practice only and need not be turned in.
2024, 2023, 2022, 2019, 2018, 2017, 2016, 2015, 2014.
Homework and Projects
All homework submission is to be done via Gradescope. Please use course code J4DNEP to sign up. Note: Gradescope requires that the solution to every problem start on a new page.
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Project #1: Control hijacking.
Due: Part 1: Thursday, April 9. Parts 2 & 3: Thursday, April 16.
Relevant Materials:
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Homework #1:
Not out yet
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Project #2: Web Security.
Not out yet
Due: Part 1: Thursday, May 7. Part 2: Thursday, May 14.
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Homework #2:
Not out yet
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Project #3: Network Security.
Not out yet.
Due: Parts 1-3: Thursday, May 28. Part 4: Wednesday, June 3.
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Course Calendar
Lecture recordings
Video cameras located in the back of the room will capture the instructor presentations in this course. For your convenience, you can access these recordings by logging into the course Canvas site. These recordings might be reused in other Stanford courses, viewed by other Stanford students, faculty, or staff, or used for other education and research purposes. Note that while the cameras are positioned with the intention of recording only the instructor, occasionally a part of your image or voice might be incidentally captured. If you have questions, please contact a member of the teaching team.