1. Information systems audit and control association ISACA. January 2016 cybersecurity snapshot global results. 2016. http://www.isaca.org/cyber/Documents/2016-Global-Cybersecurity-Snapshot-Data-Sheet_mkt_Eng_0116.pdf.
2. Cybersecurity & infrastructure security agency. Defining Insider threats. 2023. https://www.cisa.gov/topics/physical-security/insider-threat-mitigation/defining-insider-threats.
3. National institute of standards and technology. Information security. 2012. https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-30r1.pdf.
4. CPNI. CPNI INsider data collection study: report of main findings. 2013.