- Two-factor authentication
- Two-factor authentication zine
- Loose Leaf Security Weekly, Issue 16 (December 22, 2019)
- Loose Leaf Security Weekly, Issue 4 (September 24, 2019)
- Loose Leaf Security Weekly, Issue 1 (September 3, 2019)
- Two-factor tidying (May 16, 2019)
- Security stories: lost phones, a compromised computer, and an unexpected keyboard cat (September 4, 2018)
- Two-factor authentication and account recovery (June 12, 2018)
Making good computer security
for everyone.