Locked data illustration. On average, it takes 206 days to identify a data breach and 279 days to contain it. (Photo: Shutterstock)

Data breaches carry an average cost of $3.9 million per incident across industries, a recent report shows. But the price of a data breach extends beyond the expense of the initial exposure.

Findings from the "2019 Cost of a Data Breach" report indicate:

  • The lifecycle of a data breach is longer than ever. It takes 206 days to identify a data breach, on average, and 279 days to contain one — a 4.9% increase over the 2018 figures.
  • Data breach costs reverberate years after the breach occurs. More than a third of the costs associated with a breach accumulate in years two and three. These "long-tail costs" are higher for organizations in highly regulated industries.
  • Lost business from a data breach can carry higher costs than the breach itself. Organizations that experience data breaches typically lose $1.42 million in business, with rates of abnormal customer turnover totaling 3.9%, on average. When customer turnover rates total 4% or higher, the average cost of lost business totals $5.7 million — that's 45% higher than the cost of the breach alone.

Data breaches also have a deep impact on consumer confidence. Seventy-eight percent of consumers would stop interacting with a brand online after a data breach, and nearly half would not sign up for an online service or mobile app or use these services after a data breach, one survey found.

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