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Vulnerabilities & PatchesEmerging1 sourceAug 25, 2026 · 08:25via CSO Online

How Equifax is using AI to elevate its cybersecurity

Brief

For nearly a decade, Equifax has been dealing with the aftermath of one of the worst cybersecurity breaches in US history, racking up $1.4 billion on cleanup costs.

Among the mistakes that led to the breach were a mismanaged patching process, an expired public-key certificate, and poor governance. One company Equifax brought in to help was Mandiant, now part of Google Cloud.

Today, Equifax, like all enterprises, is facing a different monumental cybersecurity challenge, one that sees AI facilitating attacks at a scale never seen before, altering companies’ security postures with its rapid internal adoption, and, now, with the latest advanced models, showing its potential to escape controls and attack other companies .

The person leading Equifax’s response to this challenge is EVP and CISO Jeremy Koppen , who spent 13 years at Mandiant.

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