Multiple Web3 and Crypto companies suffered a data breach last weekend through HubSpot, a marketing and sales platform that stores customer information.

Hubspot said it became aware of a compromised employee account on 18 March. The company believes data was exported from around 30 clients, “all of whom have been notified”. A full list of the affected clients has not yet been published.

Crypto companies such as SwanBitcoin, Blockfi and NYDIG confirmed that they suffered data breaches as a result of this incident. Other companies such as Pantera Capital and Circle have also been reported as being among the affected clients.

Hubspot provides a customer relationship management (CRM) platform for marketing, sales and content management services. The company suspects this hack was a “targeted incident” that was focused on getting details of customers in the cryptocurrency industry.

After compromising the employee account, the “bad actor” was able to use its privileges to access customer information and export contact data from HubSpot accounts.

“We have terminated access for the compromised HubSpot employee account and removed the ability for other employees to take certain actions in customer accounts,” HubSpot said in a blog post. “We take the privacy of our customers and their data incredibly seriously.”

While it is unclear what the attacker planned to do with this information, Coindesk reported that some users have had an uptick in phishing emails over the weekend, which attempt to lure them into putting their passwords into a fake company website.

HubSpot said it will continue its investigation and that additional information may cause these reported facts to “change or evolve”. The company also said any customers of the affected companies should reach out to them for information on “what data was shared and any necessary steps they need to take”.

HubSpot said it has more than 135,000 companies in around 120 countries using its software for marketing, sales and customer service, which is available in six languages. Some of its notable customers include the World Wildlife Fund, Suzuki, Trello, VMware and SoundCloud.

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