technology

Signed up for Klaviyo? Dozens of advertisers may have seen your password

TechCrunch·August 10, 2026

Klaviyo, a tech giant, has experienced a bug on its website that mistakenly shared users' sign-up information with dozens of advertisers. The shared data included personal information and passwords, potentially compromising user security. The bug has raised concerns about data protection and the company's handling of sensitive user information. Affected users' passwords may be at risk of being accessed by unauthorized third-party companies.

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