Role of Network Security in Information Security Management

Contributed by Brian Martin
The purpose of this paper is to show how crucial network security is to an organization by showing various attacks a network could face and by offering some solutions and best practices to help guard against them. In today’s environment, cyber threats are growing faster than what security specialists can keep up with. According to a poll conducted on behalf of Trustwave, a survey of over 1,000 security specialists cited mounting pressures due to shortages in necessary skills, employee education and budget crunches. Close to 50 percent of these same professionals noted that organizations were steering towards cloud-based services instead of in-house systems (Auchard, 2015). The pressure to defend from these cyber attacks are mounting because they are costly to profits and images to businesses around the world. In 2013, Target suffered a massive data breach of 110 million customers due to poor information security management. This breach caused profits to drop from $921 million to $520 million, resulting in a loss of over $400 million (Harris, 2014). The aftermath additionally cost them over 100 million in settlements with VISA, Mastercard, multiple federal banks and states (Garcia, 2015). This is an enormous amount of money to lose due to poor network security. Some of the various attacks on networks include hacking, denial-of-service, viruses, worms, and trojan horses, which this paper will cover. Being able to limit an organization’s exposure to these attacks greatly reduce the chances of being a victim like Target was. It is up to Networking or Information Security Management to provide a robust network to help limit security breaches. Finally, this paper will cover a few ways to help secure the organization’s network is through firewalls, anti-virus software, intrusion detection systems, and VPNs (Virtual Private Network).
 
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