Thousands of cryptocurrency holders were inundated with phishing emails on Wednesday after hackers breached an email provider and sent out corrupted messages. 

Popular cryptocurrency companies Trezor, CoinTracking and BitBox confirmed that phishing emails were sent out to customers subscribed to their newsletters.

Trezor and BitBox did not confirm which email provider was breached, but CoinTracking said email service provider Brevo was the source of the phishing emails. 

BitBox noted that multiple other crypto companies targeted “all share the same newsletter provider.” 

Brevo did not respond to requests for comment but released its own notice on Thursday morning warning that an attacker had access to 120 customer…