Firewalls and Intrusion Detection Systems.docx

Firewalls and Intrusion Detection Systems.docx - Firewalls...

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Firewalls and Intrusion Detection Systems Technologies for Intrusion Detection Prompt : Both firewalls and intrusion detection systems are used to monitor network traffic and implement network security policies. Research these technologies and determine how they are similar and how they differ. Are both needed? Explain your answer in a short paper. (SNHU. n.d.) BRIEF INTRODUCTION : Technology has enhanced our functional lives by providing us with innovations (e.g., stationary and portable devices). It has also developed various modes of communications (e.g., VOiP, video conferencing, email, SMS). These advancements have allowed individuals and business the ability to remain connected with one another -- continuously and globally, regardless of time and space. Concurrently, the digital or information age has also produced serious network concerns and threats. The prevalent problems range from phishing, scamming, cyber-bullying to network services disruption (such as DoS, or denial of service), information or identity theft and information sabotage. Cyber or Internet crimes have resulted in diminishing or halting productivity. They have also caused victims to suffer physical, mental, emotional and financial loss. To counter ominous risks, various software and hardware products have been manufactured to prevent and combat unauthorized access to the network systems. Implementing the necessary security measures can eliminate or decrease the ongoing vulnerability to cyber violations. In addition to having a stable security infrastructure, it is crucial to raise awareness of any threats
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among users and to remind them of their responsibilities toward maintaining security or how to work against malicious activities (e.g., secure password, keeping software and the OS current, safeguarding sensitive information, etc.) FIREWALL : A firewall is a hardware or a software (or a combination of both) that sits between a LAN and the Internet. Acting as a barrier between a trusted and an untrusted network, its main function is to filter traffic in a networked environment by blocking unauthorized or harmful activities and permitting authorized communications. By monitoring the incoming and outgoing network traffic, a firewall is fundamentally the first line of peripheral defense against any intrusions. (Bradley.)
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