🇯🇵 Japanese · B1 · Technology & Digital

Cybersecurity

Kyoto

Vocabulary

  • セキュリティsecurity
  • パスワードpassword
  • ウイルスvirus
  • 詐欺(さぎ)fraud, scam
  • 個人情報(こじんじょうほう)personal information
  • 漏洩(ろうえい)leak, leakage
  • 暗号化(あんごうか)encryption
  • 認証(にんしょう)authentication
  • 注意(ちゅうい)caution, attention
  • 対策(たいさく)countermeasure, precaution

Staying Safe Online

Cybersecurity is a critical topic today. This lesson teaches three grammar patterns for expressing warnings, prohibitions, and potential risks — all essential when discussing online safety.

~ないように (So as not to / In order not to)

This pattern expresses the purpose of avoiding something. It uses the negative form of the verb + ように.

個人情報(こじんじょうほう)が漏(も)れないように注意(ちゅうい)してください。 — Please be careful so that personal information does not leak. ウイルスに感染(かんせん)しないようにソフトを更新(こうしん)しましょう。 — Let us update the software so as not to get infected by a virus.

~てはいけない (Must not / It is forbidden)

This pattern expresses prohibition or strong advice against doing something.

知(し)らないリンクをクリックしてはいけません。 — You must not click on unknown links. パスワードを他人(たにん)に教(おし)えてはいけない。 — You must not tell your password to others.

~かねない (Could possibly / Risk of)

This pattern warns that something undesirable might happen. It expresses a negative potential outcome.

対策(たいさく)をしないと、詐欺(さぎ)に遭(あ)いかねない。 — If you do not take precautions, you could fall victim to fraud. 暗号化(あんごうか)しなければ、データが盗(ぬす)まれかねない。 — Without encryption, the data could be stolen.

Together, these patterns allow you to give and understand safety warnings, express what should be avoided, and discuss potential digital dangers.

Sapporo

Expressions

  • パスワードを定期的(ていきてき)に変更(へんこう)するTo change your password regularly
  • 二段階認証(にだんかいにんしょう)を設定(せってい)するTo set up two-factor authentication
  • 不審(ふしん)なメールに注意(ちゅうい)するTo be wary of suspicious emails
  • 個人情報(こじんじょうほう)が漏洩(ろうえい)するPersonal information leaks
  • セキュリティ対策(たいさく)を講(こう)じるTo implement security measures
  • 詐欺(さぎ)に遭(あ)わないように気(き)をつけるTo be careful not to fall victim to fraud

Common mistakes

  • 対策しないと詐欺に遭うかねない
    対策しないと詐欺に遭いかねない

    かねない attaches to the verb stem (遭い), not the dictionary form (遭う).

  • パスワードが漏洩しないように
    パスワードが漏洩(ろうえい)しないように気(き)をつけてください

    ないように is incomplete on its own — it needs a main clause like 気をつけてください to form a complete sentence

  • 暗号化しないかねない
    暗号化(あんごうか)しなければ危険(きけん)になりかねない

    かねない expresses a negative potential outcome — it needs a clear undesirable result. Restructure to show what bad thing might happen

Quick quiz

Question 1 of 5

How do you say “countermeasure, precaution” in Japanese?

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