Techniques described herein include systems and methods for categorizing and prioritizing indicators of compromise for a network of network resources. The indicators of compromise may lead to security threats from malicious entities. In embodiments, a service provider computer receives information identifying an indicator of compromise for a network resource of a network associated with an organization. The information may include an identification of a severity for the indicator of compromise that is provided by a reporting entity. A normalized severity for the indicator of compromise may be calculated based at least in part on a set of factors. A lifecycle to associate with the indicator of compromise may be determined based on the normalized severity for the indicator of compromise. A report identifying the indicator of compromise and the normalized severity for the indicator of compromise may be generated and transmitted to an indicator of compromise information sharing network.