security

Sravani Sappeti 

Discussion 1

COLLAPSE

窗体顶端

A multi-layered defence system increases the likelihood of an attack on the network by making it more difficult to do so than it is from the inside. Assume they can reduce the chance of successful assaults to a negligible fraction. In that situation, the total chance of assaults should be minimal. A multi-layered defence system further strengthens the network's resistance to assaults on the network and networked resources.

Multilayer firewalls offer a way to protect individual hosts and their services against known harmful code. They can be applied in a variety of ways. This enables the defence to employ many levels of defence, each with a specific role to play in keeping criminals at bay. Compartmentalization is a tried-and-true approach. This method employs many, independent systems to deliver services to users or the whole company, with each system operating independently as a separate unit.

This is used to deliver communication information services, track transactions, and administer and operate computer equipment. This compartmentalization offers security, but at the expense of diminishing user usability and network usability (Perevozchikov et al., 2019). The fundamental firewall protocols allow users to interface with the infrastructure, manage security at scale, and learn about the fundamental architecture of a successful firewall implementation.

One physical component of the infrastructure is a condition with a policy that protects it from any threats conducted against it. This layer, however, fails when one or more of its constituent components is compromised. An attacker can intercept packets and utilise them to exploit security flaws in a firewall or router. Attackers understand that if their packets are intercepted, their exploit will be effective.

An attacker can acquire knowledge about other Internet Protocol (IP) addresses on the susceptible network to forecast the vulnerability of a certain firewall or router. An attacker can compromise the network by leveraging this knowledge (Juntunen & Virta, 2019).

References

Juntunen, T., &Virta, S. (2019). Security dynamics: Multilayered security governance in an age of complexity, uncertainty, and resilience. Leading Change in a Complex World: Transdisciplinary Perspectives.

Perevozchikov, A. G., Reshetov, V. Y., &Yanochkin, I. E. (2019). Multilayered attack–defense model on networks. Computational Mathematics and Mathematical Physics, 59(8), 1389-1397.

 

窗体底端

Radhika Chaklasiya 

Week 1

COLLAPSE

窗体顶端

   No, Multi-layered defense will not guarantee that attack will not be successful but It can help to secure organization data and IT domains. For any organization, provide 100% security is not possible for anyone. Multilayer defenses provide organization to extra security to secure organization’s sensitive information. It helps organization to maintaining confidentiality, Integrity and availability which is important in IT infrastructure. Multi-layered defense is mechanism that used to prevent form cyber attacked and prevent from organization’s vulnerability, threat and risk. So, organization can implement security strategies to mitigate that vulnerability. It is important for IT security team to find organization’s vulnerability and properties organization’s critical function and asset.

   According to data cyberhacker’s and attacker’s attack mostly target end users, end point (web servers and file servers) and workstation domain. So, hackers can steal users’ sensitive information and sell it. Multi-Layer security focused on area when cyberhackers possibly can attacked. There are few common securities layered are antivirus software, firewall, regularly patches, public key infrastructure, web security, email security, Access control. This all layers prevent organization form many threats like man of the middle attack, malware attack, DoS attack, Malicious code, unauthorized access. Additionally, organization can use firewall, IDS and IPS devices to configuration and blocked unnecessary traffic. By using access control method organization can allow and blocked access for users that prevent unauthorized people to access organization’s data.

   However, the biggest challenge in IT security is to use right tools and strategies to prevent cyber-attack because with growing Information field, cyber attacker is always trying to find new technologies and methods to hack IT domains.  

Solomon, Michael, 2021 Security Strategies in Windows Platforms and Applications, Third Edition

窗体底端