Information Security

1) Introduction:
Today’s, financial institutions like Bank’s are facing enormous network security challenges. Attacks on critical information assets and infrastructure can seriously degrade an organization’s ability to do business. The most effective risk mitigation requires a solution that combines multiple trusted security technologies working in concert. The growth of the Internet and increased reliance on electronic financial exchanges has enabled customers and employees to access account information and perform banking transactions between their branches, Data centre and outlets. Unfortunately, this expanded access has also increased Vulnerability to a host of ever- growing network security risks such as worm and virus outbreaks, information and identity theft, and distributed denial of service attacks.

We need to protect network from different form of intrusion and malicious attacks such as discredited denial of service (DDOS) attacks, worm, viruses, spy ware, phising etc. Information assets and infrastructure form the core of the modern enterprise. Networked enterprises benefit from increased business efficiency and effectiveness, as well as a sustainable competitive advantage. However, this dependence on the network exposes the organization to risk. The growing number of attacks on the network, in concert with the increasing sophistication of these attacks, poses serious risks to the core business. In today’s marketplace, businesses rely on the Internet for their productivity, efficiency, customer interaction, and financial success. At the same time, the Internet has become a source of network threats from benign to severe, including viruses, spyware, phishing, and other malicious threats.
2) Common Attack Types to consider:
Denial of Service (DOS/DDOS) - A denial of service attack is any attack used to achieve the disruption of any service to legitimate users. DDOS is the ‘distributed’ form of such an attack where many ‘Zombies’ that have been taken...