TY - CHAP A1 - Fehrenbacher, Dennis A1 - Rötzel, Peter A1 - Choo, Kim-Kwang Raymond T1 - Sentiment Analysis of Cyber-Attack Incident Reports T2 - ICIS 2021 N2 - This article examines sentiment of 12,821 reports on cyber-attacks on firms around the world from 2011 to mid-year 2019. With theworld wide web (www) and associated technologies connecting opinions worldwide, sentiment in the world wide web is an importantperspective to understanding developments in cyber-attacks and the public opinion thereof, because much of the public debate isshared online. Such sentiment can potentially explain developments in regulation and may be indirectly associated with the buildingof defense mechanisms of cyber-victims. Results show that the quantity of reports on cyber-attacks on firms has been increasing,but the sentiment of reports on cyber-attacks has been decreasing. Both trends reflect the increasing severity of the issue and arelikely contributing to regulatory responses. Results also show that the sentiment is conditional to the source that reports the cyber-attack. KW - Cyber Risk KW - Natural Language Processing KW - Information Systems KW - Cyber Security KW - Cyberattacke KW - Unternehmen KW - Computersicherheit Y1 - 2021 VL - 2021 ER -