What are some common security threats for our home devices and IoTs?

Botnets. A botnet is a network that combines various systems together to remotely take control over a victim’s system and distribute malware.A denial-of-service (DoS) attack deliberately tries to cause a capacity overload in the target system by sending multiple requests. In a Man-in-the-Middle (MiTM) attack, a hacker breaches the communication channel between two individual systems in an attempt to intercept messages among them.Hackers use social engineering to manipulate people into giving up their sensitive information such as passwords and bank details.Ransomware attacks have become one of the most notorious cyber threats. In this attack, a hacker uses malware to encrypt data that may be required for business operations. An attacker will decrypt critical data only after receiving a ransom.

Explanation:

The answer is b.
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