Cybersecurity policy analytics can be done using publically available internet information. This paper introduces the main idea, data sources, methodology and key findings of cybersecurity policy analytics research projects covering the following key issues: - Deterrence effect of domestic enforcement and international treaty legislation on cybercrime. - The dual use characteristic of hacking knowledge and tools and the issue of online hacker forum censorship. - Critical information infrastructure identification through internet topology analytics. - Incentive-compatible mechanisms for organizations to share information related to cybersecurity threats, incidents and emergency response. At the end of this paper, we propose future directions to promote cybersecurity policy analytics with internet information.