The Solana Foundation, the nonprofit organization of the Solana Network, disclosed on January 14 a security incident involving its email service provider Mailchimp.

According to an email sent to users and viewed by Cointelegraph, Mailchimp informed the Foundation on Jan. 12 that “an unauthorized actor accessed and exported certain user data from the Solana Foundation instance of Mailchimp.”

Among the information accessed and exported in the incident were usernames and Telegram usernames. The Solana Foundation stated:

“Based on information we have received from Mailchimp, the affected information may have included, among other things, email addresses, names, and Telegram usernames, in each case only to the extent that such information was provided by users. Mailchimp reported that the incident did not affect passwords or credit card information.”

The number of users affected by the incident is unclear. There was no official announcement from Solana or Mailchimp about the incident at press time. Solana did not immediately respond to Cointelegraph’s request for comment.

Related: 5 Sneaky Tricks Crypto Phishing Scammers Used Last Year: SlowMist

A few weeks ago, another cryptocurrency company exposed user emails by third-party providers. As Cointelegraph reported on Dec. 13, hackers gained access to 5,701,649 lines of information belonging to customers of the Gemini crypto exchange, including email addresses and partial phone numbers.

This is not the first time that cryptocurrency companies have experienced security issues with Mailchimp. In August 2022, the Mailchimp email marketing platform discontinued its services to crypto content creators and platforms associated with crypto news or related services. Users began experiencing problems logging into accounts, followed by notices of service interruptions.

At the time, Mailchimp stated that “across the tech industry, malicious actors are increasingly deploying a variety of sophisticated phishing and social engineering tactics targeting data and information from crypto-related companies.”

The company also said that “in response to a recent attack targeting Mailchimp’s cryptocurrency-related users, we have taken proactive steps to temporarily suspend access to accounts where we detect suspicious activity while we further investigate the incident.”

The Beosin Global Web3 Security Report 2022 revealed 167 major security incidents during 2022, with DeFi projects attacked 113 times, representing approx. 67.6% of the attacks recorded, Cointelegraph reported.

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