The ENISA Threat Landscape (ETL 2017) is yearly report produced by the European cybersecurity agency. It analyses state-of-the-art in cyberthreats based on OSINT. A section of the ETL provides an overview of recent developments in cyber-threat intelligence positions the ETL and summarizes some cyber-threat intelligence issues that are seen as emerging. Interestingly, the reports stresses the importance hove developing the adequate analysis functions in addition to massive data collection and mining for an efficient CTI.
The full ETL 2017 report can be found at https://www.enisa.europa.eu/publications/enisa-threat-landscape-report-2017.