Peak-time distributed denial-of-service attacks cost organizations more than $100,000 per hour, said half of the respondents to a new survey of mid-sized and large corporations in the U.S. and Europe.
And for a third of respondents, the average peak hourly revenue loss was more than $250,000.
However, shutting down attacks took time. Only 26 percent said it took them less than an hour, while 33 percent said it took between one and two hours, and 40 percent said it took more than three hours.
By comparison, a year ago, only 32 percent of companies said that they would lose more than $100,000 an hour, and 68 percent said it took them less than two hours to respond to an attack.
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