A user receives an aggressive text from an unknown sender who is demanding money. Which of the following attacks is this an example of?

Impersonation refers to the act of pretending to be someone else to deceive individuals into providing sensitive information. While smishing could involve impersonation tactics, the specific scenario focuses on a direct demand for money via text, which is characteristic of smishing rather than impersonation alone.

Typosquatting involves creating fraudulent websites that mimic legitimate ones, capitalizing on common misspellings or typographical errors made by users. This attack vector relies on web-based deception rather than direct messaging and thus does not apply to a text message demanding money from an unknown sender.

Scareware is a type of malware that tricks users into believing their computer is infected, prompting them to purchase unnecessary software to fix the imagined problem. While it involves intimidation tactics, scareware typically operates through software or pop-up messages rather than direct text messages aimed at financial coercion.