Final answer:
The most significant danger of a phishing email is that it can provide access to a computer or computer network.
Step-by-step explanation:
The most significant danger of a phishing email is that it can provide access to a computer or computer network. Phishing emails are designed to trick people into revealing confidential information, such as usernames, passwords, or credit card details. Once hackers gain access to a computer or network, they can steal sensitive data, spread malware, or even take control of the system. For example, they could install keyloggers to capture login credentials or launch ransomware attacks.