Which of these are ways that hackers gain access to computer systems? Select 3 options. dumpster diving

phishing

data validation

layered security

packet sniffing

phishing

data validation

packet sniffing

Explanation:

phishing: Phishing is the fraudulent attempt to obtain sensitive information or data, such as usernames, passwords and credit card details or other sensitive details, by impersonating oneself as a trustworthy entity in a digital communication.

data validation: In computer science, data validation is the process of ensuring data has undergone data cleansing to ensure they have, that is, that they are both correct and useful.

packet sniffing: A packet analyzer or packet sniffer is a computer program or computer hardware such as a packet capture appliance, that can intercept and log traffic that passes over a computer network or part of a network. Packet capture is the process of intercepting and logging traffic.