A study by cybersecurity advisory website Comparitech.com suggests that hacked companies underperform by 42% on average after three years.

According to the report, which analysed the closing share prices of 24 companies, those who experienced data breaches later struggled in the market.

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The study concluded that hacked companies suffered an immediate but small decrease in share prices and that they often underperformed in the Nasdaq. More recent breaches, however, had less of a negative impact on share prices than older ones, arguably due to ‘breach fatigue’, the site suggested. Indeed breaches can be tolerated by the market over time.