Denial-of-service attacks are a common method to bring down an organization\'s W

Question

Denial-of-service attacks are a common method to bring down an organization's Web server/site.

The increase in spyware and viruses from popular social media sites have been on the rise over the past several years.

Denial-of-service attacks are a common method to bring down an organization's Web server/site. Research and discuss the methods that can be taken to defend against such server-side attacks. Discuss the role that firewalls and router access lists can play in defending against such attacks. The increase in spyware and viruses from popular social media sites have been on the rise over the past several years. Research and discuss what can be done from the client side to secure one's personal information when surfing the Web and transferring data online. Discuss the role that hardware and software can play in securing your data and personal information.

Explanation / Answer

Analyze network traffic for errant activity. Corero's network device sits in front of a firewall, monitors the behavior of every incoming IP address, and compares it against thresholds set by the client company to distinguish good from bad and of course, block the bad. For instance, an incoming IP address might make a request for pages that don't exist on the server. The software would block that IP address from making further requests until it began behaving normally again.

"Firewalls aren't really designed to do that, they don't really protect the servers from a variety of DDOS attacks that are out there, known as application layer attacks, which are very sophisticated and look like normal customer traffic," Meyer says.

Prolexic, a DDOS mitigation company, has its staff monitor network traffic flow through Internet-edge routers to detect bandwidth-related anomalies in their clients' networks. It notifies companies of malicious denial of service/DDOS traffic and provides a protection action plan.

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