Cybersecurity

Mailchimp Says It Was Breached and User Accounts Accessed

  • Hacker focused on cryptocurrency, financial industries
  • Social engineering incident involved theft of credentials
Photographer: Tiffany Hagler-Geard/Bloomberg
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The email marketing company Mailchimp said its network was breached followed a social engineering attack.

An intruder viewed 319 Mailchimp accounts and audience data was exported from 102 of them, Siobhan Smyth, chief information security officer, said in a statement. Mailchimp software is used by publishers and companies to compose newsletters and send promotional messages to customers. Smyth didn’t identify the clients affected.