noun
identity fraud; masquerading; impersonation
General term for pretending to be someone else, often for fraudulent purposes. Used in contexts like online impersonation, fake accounts, or social engineering.
SNSでなりすまし被害が増えている。
Impersonation damage is increasing on social media.
彼
He impersonated someone else and swindled money.
noun
spoofing; forgery
Computing term for falsifying identity or data, such as email spoofing, IP spoofing, or caller ID spoofing.
なりすましメールに注意してください。
Beware of spoofed emails.
このシステムはIPなりすましを検出できる。
This system can detect IP spoofing.