Question

which of these are ways that hackers gain access to computer systems? select 3 options. packet sniffing dumpster diving layered security data validation phishing

Explanation:

Packet sniffing allows hackers to intercept network traffic for sensitive data. Dumpster diving involves finding discarded information like passwords or access - codes. Phishing tricks users into revealing credentials through fake emails or websites. Layered security and data validation are security measures, not ways hackers gain access.

Answer:

packet sniffing, dumpster diving, phishing