Final answer:
Entities are added to a blacklist to be denied access, whereas a whitelist includes trusted entities that are allowed to interact with a system or network.
Step-by-step explanation:
When we refer to a blacklist, we are talking about a list of entities—such as email addresses, usernames, IP addresses, or websites—that are blocked or denied access due to being deemed as untrustworthy or harmful. These entities are barred from accessing a system or network based on certain criteria. Conversely, a whitelist is the opposite of a blacklist; it includes entities that are allowed access or privileges within a system or network. These are considered trusted and are explicitly permitted to interact or function within the confines of the digital environment in question.In computer security, a blacklist is a list of entities that are blocked or denied access to a certain system or service. When an entity is added to a blacklist, it is prevented from accessing or using the system or service.
This is commonly used to block malicious websites, email addresses, or IP addresses that are known to be involved in spam, phishing, or other cyberattacks.On the other hand, a whitelist is a list of entities that are allowed access to a certain system or service. When an entity is added to a whitelist, it is given permission to access or use the system or service. This is commonly used to ensure that only trusted entities or sources are allowed access, such as approved websites, email addresses, or IP addresses.