फ़िशिंग हमलों में ईमेल स्पूफिंग (email spoofing) का मुख्य उद्देश्य क्या है?

Which of the following actions is NOT performed by malware?

Deceptive programs that appear to perform one useful function, but secretly perform malicious activities, are known as:

Which of the following can be categorized as malicious software (malware)? I. Spyware II. Keyloggers III. Ransomware IV. Trojan horses