Because similar cyber attack methods are often used against a wide range of targets, it is crucial for organizations to share information on the tools, techniques and resources adversaries are using.
Cyber Information-Sharing Models: An Overview
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Cyber security is often expensive and the costs of intrusions can be exceedingly high. Thus, there can be a massive gain in return-on-investment by leveraging work done by others. Information sharing between organizations can enable participants to develop tailored strategies for layering defenses across different steps of the kill chain. This paper discusses the advantages and disadvantages of sharing different types of information.