- Two-factor authentication
- Two-factor authentication zine
- Loose Leaf Security Weekly, Issue 30 (May 18, 2020)
- Loose Leaf Security Weekly, Issue 27 (March 27, 2020)
- Loose Leaf Security Weekly, Issue 16 (December 22, 2019)
- Loose Leaf Security Weekly, Issue 13 (November 28, 2019)
- Loose Leaf Security Weekly, Issue 11 (November 16, 2019)
- Loose Leaf Security Weekly, Issue 8 (October 25, 2019)
- Loose Leaf Security Weekly, Issue 5 (October 2, 2019)
- Loose Leaf Security Weekly, Issue 4 (September 24, 2019)
- Covering your webcams (August 22, 2019)
- Checks, mobile banking, cash transfer apps, and a bit more on credit cards (February 19, 2019)
- Credit and debit card security (January 29, 2019)
- The history of the Web and an introduction to browser security (July 24, 2018)
- Comparing Android and iOS security (July 10, 2018)
- Two-factor authentication and account recovery (June 12, 2018)
Making good computer security
for everyone.