Trezor investigates potential data breach as users cite phishing attacks

Trezor investigates potential data breach as users cite phishing attacks

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Numerous users on Twitter alarmed Trezor of an ongoing email phishing campaign specifically targeting Trezor users via their registered email addresses.

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Trezor investigates potential data breach as users cite phishing attacks

Cryptocurrency hardware wallet provider Trezor has begun investigating a possible data breach that may have compromised users’ email addresses and other personal information. 

Earlier on Sunday, several users from the Crypto Twitter community warned about an ongoing email phishing campaign specifically targeting Trezor users via their registered email addresses.

Hey trezor, are you aware of a phishing campaign going on? I just received this email with my actual email on it. It looked very legit. pic.twitter.com/GF0Od6llr2

— josearkaos ⚡️ (@josearkanos) April 3, 2022

In the ongoing attack, several Trezor users have been contacted by unauthorized actors posing as the company — with the ultimate intention to steal funds by misleading unwary investors. As part of the attack, users received an email about downloading an application from the “trezor.us” domain, which is different from the official Trezor domain name, “trezor.io.”

We are investigating a potential data breach of an opt-in newsletter hosted on MailChimp.

A scam email warning of a data breach is circulating. Do not open any email originating from [email protected], it is a phishing domain.

— Trezor (@Trezor) April 3, 2022

Trezor initially suspected that the compromised email addresses belong to a list of users who opted-in for newsletters, which was hosted on an American email marketing service provider Mailchimp. 

Wow, @Trezor, this is the best phishing attempt I have seen in the last few years. I am really lucky I don’t have Trezor, because if I had, I would probably actually download that update. pic.twitter.com/DaBN2Oix11

— Tomáš Kafka (@keff85) April 2, 2022

Through further investigation, Trezor announced:

“MailChimp have confirmed that their service has been compromised by an insider targeting crypto companies.”

While Trezor officially investigates to identify the total number of stolen email addresses, users are advised not to click on links coming from unofficial sources until further notice. 

Related: BlockFi confirms unauthorized access to client data hosted on Hubspot

On March 19, New Jersey-based crypto financial institution BlockFi proactively confirmed a data breach to warn investors about the possibility of phishing attacks.

Regarding recent third-party data incident: pic.twitter.com/50z7IrQ1za

— BlockFi (@BlockFi) March 19, 2022

As Cointelegraph reported, hackers gained access to BlockFi’s client data that was hosted on Hubspot, a client relationship management platform. According to BlockFi:

“Hubspot has confirmed that an unauthorized third-party gained access to certain BlockFi client data housed on their platform.”

While specifics on the breached data are yet to be identified and revealed, BlockFi reassured users by highlighting that personal data — including passwords, government-issued IDs and social security numbers — “were never stored on Hubspot.”

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