Infosecurity Magazine reports a recent analysis that shows publicly traded companies that have experienced a data breach can be subject to a subsequent drop in stock value. Data security firm Bitglass' "Kings of the Monster Breaches" report looked at breaches for Marriott in 2018, Equifax in 2017 and Yahoo in 2016, revealing the companies endured a combined 7.5% post-breach drop in stock value. Each company lost an average of $5.4 billion, and Marriott and Yahoo averaged 46 days to redeem their stock losses, while Equifax has still yet to recover. "This should serve as a stark warning to organizations everywhere. If massive companies with seemingly endless resources are falling victim to external attacks, then companies of all sizes must remain vigilant in their cybersecurity efforts," Bitglass Chief Marketing Officer Rich Campagna said.
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