Answer :

Final answer:

A firewall is a system that protects an organization's network from external attacks. It monitors and controls network traffic according to predefined security rules and can be software or hardware-based. It can block unauthorized access and various types of cyber threats.

Explanation:

The term that safeguards the information within an organization's network from external attacks is firewall. A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. A firewall can either be software-based or hardware-based and is used to protect networks from unauthorized access while permitting legitimate communication to pass.

For example, if an organization has private internal networks, they typically use a firewall to block unauthorized access to it. Firewalls can be configured to protect against various types of cyber threats such as viruses, worms, Trojans, and ransomware attacks. They work by examining each message that enters or leaves the network, allowing or blocking them based on security rules set by the network administrator.

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