Which type of computer threat locks a device and sends a message that states the device cannot be unlocked unless the user submites a payment?

A: Trojan Horse
B: Ransomware
C: Virus
D: Phishing Attack

Ransomware, as the name may imply (ransom). Think of it like a hostage situation. Someone rich gets kidnapped (user), the kidnapper (threat) would want a ransom.

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city.