To get the most out of ISA's features, you must be able to recognize the security threats to which your network is subject and understand a little about the motivations of typical intruders. It is not necessary that you be a hacker in order to prevent your network from hacking attempts, but it will benefit you to know something about how unscrupulous hackers think and how they do their dirty work.You must be aware of the different types of attacks with which you could be confronted, and understand how to protect your network from social engineering attacks, DoS attacks, scanning and spoofing, source routing and other protocol exploits, software and system exploits, and Trojans, viruses and worms.There are a number of hardware-based security solutions available, and even more software-based firewalls on the market. You should have a basic understanding of the capabilities and limitations of each type, and how ISA Server compares-in features and cost-to some of the others. We think you will find that ISA Server offers an excellent value in comparison to competitive products, along with easy configurability and options to integrate third-party programs for even more functionality.Your comprehensive security plan is integral to protecting your network from both internal and external threats. There is no 'one size fits all' when it comes to corporate security plans and policies; yours should be based on the nature of the business in which your organization engages, the nature of the data stored on the network, the number and types of connections your network has to the 'outside world,' and the management philosophy regarding organizational structure. A good security plan is one that meets the needs of IT administration, company management, and network users. The best way to ensure that your security plan meets these criteria is to involve persons from all levels of the organization in the planning process. Once you have a good, comprehensive security plan and corresponding policies worked out, you will be able to use ISA Server as an important element in your security plan, to implement and enforce those policies and provide monitoring, notification, and record-keeping to document the successful functioning of your security plan.
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