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Equifax has been in the spotlight for admitting last month that it suffered a “cyber-security incident” that affected tens of millions of American consumers.
Last week, Equifax said that a completed review of the summer cyber-breach determined that about 2.5 million additional U.S. consumers were potentially impacted, for a total of 145.5 million people.
The earlier unauthorized access to the company’s data happened from mid-May through July this year, but the company did not alert customers until about six weeks after it was uncovered.
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Information stolen primarily included names, Social Security numbers, birth dates, addresses and even some driver’s license numbers, the company said.
Shares of Equifax (NYSE:EFX) were down $1.32 a share to about $109.17 at about 3:10 Thursday afternoon as the market reacted to the latest mishap.