Monthly Security Quiz — Learn with Manga

Each month, learn from a short manga and plain explanations, then answer a 5-question quiz. Free security training material for small businesses.

• Free. No sign-up needed.
• Based on real incidents from that month, with official sources such as Japan’s National Police Agency, IPA and NIST.
• You finish when all 5 answers are correct. For a wrong answer, read the explanation and try again with new numbers and a new option order.