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1-2 of 2
Keywords: Event study
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Journal Articles
Data breach announcements: evaluating the content and timing of breach announcements and their effect on firm value
Available to Purchase
Journal:
Information and Computer Security
Information and Computer Security (2026) 34 (1): 170–186.
Published: 16 September 2025
... affecting investor behavior including market volatility, attack vector and preannouncement data leakage were also evaluated. Design/methodology/approach An event study was used to identify ARs associated with the breach announcement, followed by a regression analysis, including additional variables...
Journal Articles
The impact of GDPR infringement fines on the market value of firms
Available to Purchase
Journal:
Information and Computer Security
Information and Computer Security (2023) 31 (1): 51–64.
Published: 07 September 2022
... Using event study techniques, a data set of 25 GDPR fine announcement events was analysed, and statistically significant cumulative abnormal returns of around 1% on average up to three days after the event were identified. In almost all cases, this negative economic impact on market value far outweighed...
