Given the list of possible active attacks; os exploits, virus, trojan, syn scan, Ack Scan, and web Attacks and given a firewall between the Internet (represented by a cloud) and your network router. which of these types of attacks are not able to be prevented through the firewall? why are these types of attacks not able to be prevented through the firewall? How can these attacks be prevented from taking place?

For the ZeuS malware, please write a short paragraph based on the given background and website info: ZeuS – Trojan ZeuS is a modular banking trojan that uses keystroke logging to compromise credentials when a victim visits certain banking websites. Since the release of the ZeuS source code in 2011, many other malware variants have adopted parts of its codebase, which means that incidents classified as ZeuS may actually be other malware using parts of the original ZeuS code. https://www.cisecurity.org/insights/blog/top-10-malware-december-2022   Zeus malware can give attackers full access to infected machines. While the original Zeus variant primarily utilized man-in-the-browser keyloggers to gain access to an infected computer’s banking credentials and other financial information, many forms of the Zeus virus can also be used to add CryptoLocker ransomware to an operating system or add infected computers to a botnet to perform distributed denial-of-service (DDoS) attacks. The Zeus…

Explain the definition of the word "firewall" in terms of system privacy, and explain how it is employed in different network topologies.

To what ends does a firewall primarily serve?At the moment, I'm developing a packet filtering programme. What are the guidelines I must follow?