ECS 153A: Computer & Information Security & Privacy I, Spring 2026

Announcements

All Announcements

• Last End of Quarter Announcement (Jun 17 11:53am)
• End of Quarter Announcements #3 (Jun 11 7:07am)
• End of Quarter Announcements #2 (Jun 8 10:50am)
• End of Quarter Announcements #1 (Jun 4 10:46am)
• No In-Person Lecture on Friday May 29, 2026 and Some Final Exam Information (May 29 6:51am)
• Extra Credit 4 Due Date (May 27 3:38pm)
• Homework 4 extension, no homework 5 (May 26 3:25pm)
• Homework 3 Late Assignments (May 15 3:09pm)
• Homework 3 Due Date Extended (May 12 11:27am)
• Changing Office Hours Today — None today, moved to 4pm tomorrow (May 12 8:53am)
• Homework 2 and Extra Credit 2 Answers, Sample Midterm Answers, and Office Hours This Week (May 4 2:42pm)
• Homework 1, Extra Credit 1, and Quizzes (May 3 7:57pm)
• Office Hours on Thursday April 30 and Friday May 1 (Apr 30 10:21am)
• About the Midterm (Apr 27 10:12am)
• No Office Hours Today; Homework #2 Due Date Extended (Apr 24 10:34am)
• Office Hours and Such (Apr 9 4:22pm)

Class information

• General Information
• Syllabus
• All About Programs
• All About Homework
• Program Style

Useful and/or Interesting Stuff

• Privacy By Design: The Seven Foundational Principles, by Ann Cavoukian (PDF)
• Some Interesting Books
• The Vigenère Tableau (PDF)
• Breaking a Vigenère Cipher (PDF)
• Robust Programming (PDF)
  • fqlib.h, fqlib.c, qlib.h, qlib.c
• About the ILOVEYOU Worm (May 2000)
  • Report, Slides, Slides with Notes

Homework and Extra Credit

• Homework 1, due April 10
  • “Diabologic” by Eric Frank Russell
• Homework 2, due April 28 (Note extension from Apr 24)
  • “‘Repent Harlequin!’ said the Ticktockman” by Harlan Ellison
• Homework 3 Revision 3, due May 15 (Note extension from May 11)
  • Homework 3 Revision 2
  • Homework 3 Revision 1
  • Original homework
• Homework 4, due June 1 (Note extension from May 27)

Exam Information

• Midterm study guide
• Sample midterm
• Final study guide
• Sample final

Lecture Outlines

• Lecture 1, March 30, 2026 [slides]
• Lecture 2, April 1, 2026 [slides]
• Lecture 3, April 3, 2026 [slides]
• Lecture 4, April 6, 2026 [slides]
• Lecture 5, April 8, 2026 [slides]
• Lecture 6, April 10, 2026 [slides]
• Lecture 7, April 13, 2026 [slides]
• Lecture 8, April 15, 2026 [slides]
• Lecture 9, April 17, 2026 [slides]
• Lecture 10, April 20, 2026 [slides]
• Lecture 11, April 22, 2026 [slides]
• Lecture 12, April 24, 2026 [slides]
• Lecture 13, April 27, 2026 [slides]
• Lecture 14, April 29, 2026 [slides]
• Lecture 15, May 1, 2026 [slides]
• Lecture 16, May 4, 2026 [slides]
• in class midterm examination, May 6, 2026
• Lecture 17, May 8, 2026 [slides]
• Lecture 18, May 11, 2026 [slides]
• Lecture 19, May 13, 2026 [slides]
• Lecture 20, May 15, 2026 [slides]
• Lecture 21, May 18, 2026 [slides]
• Lecture 22, May 20, 2026 [slides]
• Lecture 23, May 22, 2026 [slides]
• Memorial Day (a University holiday), May 25, 2026
• Lecture 24, May 27, 2026 [slides]
• Lecture 25, May 29, 2026 [slides]
• Lecture 26, June 1, 2026 [slides]
• Lecture 27, June 3, 2026 [slides]

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Matt Bishop Office: 2209 Watershed Science Phone: +1 (530) 752-8060 Email: mabishop@ucdavis.edu