Providing security strategies that cover all parts of complicated network is difficult task in network design. IT Security design is highly challenged by the complex modern networks that include a corporate network with internet and extranet access, VPN networks, public web servers for e-commerce, intranet applications, and remote-access services for users reaching the network from cyber cafe,home,college and so on.
Following steps explains detail plan & steps to achieve security strategies:
Understand existing network architecture
Understand tactial and strategic business needs in terms of IT growth
Identify vulnerabilities in various network assets.
Analyze security risks resulting into business risks
Create a customized security plan.
Design security solutions comprising of products and processes
Implement designed solutions
Developing plan of technical implementation.
Perform tests and impart training to customer's staff
Provide documentation as applicable
Act as a single point of contact for ongoing security needs .
There are various security mechanisms:
Firewall
A firewall is an important network perimeter device. It isolates external and internal networks and provides a way to set rules and policies to allow/disallow network traffic.
Data Encryption
Encryption is the process of encoding information in such a way that attackers or hackers cannot read it,but authorised party can easily read or access.data confidentiality is important feature of. Due to this we can also identify sender of data.
Physical Security
Physical security protect your network from natural and human-made disasters.It can also protect the network from hackers,terrorists and changing equipment configurations. It also protect resources from natural disasters such as fires,floods storms, and earthquakes.
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