This short module opens with an introduction to the problem space (password reuse), followed by introducing password managers, and optionally having students install one and sign up for an email with a randomized password.
20-25 minutes (35-40 minutes with optional activity)
Hackers know everyone reuses their passwords, and this is a problem because one breached website necessarily reveals your password for other unrelated websites. By helping simplify the process of keeping unique passwords across many services and devices, password managers (e.g., 1Password, Bitwarden) are one of the most effective tools for ensuring a password breach will stay isolated to the one breached website.
(Before class) From Freedom of the Press Foundation, read about some of the considerations for choosing a password manager: "Choosing a password manager"