Global cost per record of a data breach 2024, by initial attack vector
As of February 2024, data breaches caused by malicious insiders were the most costly, averaging 4.99 million U.S. dollars per breach. Phishing attacks led to data breaches with an average cost of 4.88 million U.S. dollars per incident. Similarly, breaches resulting from business email compromise also averaged 4.88 million U.S. dollars during the examined period.