Fake browser alerts—often accompanied by loud sirens—claim your PC is infected and demand you call a specific "support hotline" immediately.

Fraudsters call victims directly, often "spoofing" their caller ID to appear as a legitimate local or corporate number.

Once a victim is on the line, the scammer typically follows this pattern: Protect yourself from tech support scams

Scammers use various entry points to lure victims into a conversation:

Scammers buy ads that appear in search engine results for terms like "Windows help," leading users to fraudulent websites. Common Scammer Tactics