Brute-force attack
●●●●○HardAn email reports several failed sign-in attempts on your account, with a link to “secure” access.
0 / 10 free simulations used
New message · Fictional online service
Account Security <security@fictional-service-login.example-not-real.test>
We detected 7 failed sign-in attempts on your account in the last 24 hours. If this wasn't you, secure your account immediately: https://fictional-service-login.example-not-real.test/secure If it was you, no action is needed.
This simulation illustrates Brute-force attack. The article explains the full mechanism, the warning signs and what to do.