4. What steps can companies take to prepare for online attacks, and why are these steps helpful? 5. What are firewalls and why should these be only one part of a broader computer security scheme?
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Some of the importants steps to be taken for the firewalls to remain effective:-

Use of strong password.

according to the usage, tweak the settings of the firewall.

Enable auto update for firewall.

Maintain consistency in settings throughout the network.

addition of multiple layers to the security and computer system.

Application of encryption (128 bit WEP).

Analysis of the traffic both outbound and inbound and taking appropriate measures.

Always check for leaks and ports.

a firewall is part of a computer system or network which is designed to block unauthorized access while permitting outward communication.

Explanation:

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