Capital One Breach a Win for Crowdsourced Cybersecurity

Aug 6, 2019 · 5 min read
Photo: Drew Angerer/Getty Images

By William Turton and Jenny Surane

When Ali Tutuncu found a vulnerability in Capital One Financial Corp.’s software in March, the company fixed the flaw in 20 days. An independent security researcher, Tutuncu said the bank thanked him and added him to its page of fame.

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