A data breach compromised approximately 300 customer accounts belonging to email marketing platform Mailchimp, TechCrunch reports. Mailchimp Chief Information Security Officer Siobhan Smyth said a malicious actor accessed an internal tool used by Mailchimp’s customer support and account administration teams. Access to the compromised employee accounts was terminated, she said. However, data from 102 accounts was exported. Mailchimp did not disclose what data was accessed but said cryptocurrency and finance customers were targeted.