3 million email addresses belonging to CoinMarketCap users leaked

Emails from CoinMarketCap users in the wild

Very popular among cryptocurrency enthusiasts, CoinMarketCap data aggregator suffered a data breach that resulted in the disclosure of several million emails from users.

Selon le site Have I Been Pwned, 3.1 million emails (3,117,548) linked to CoinMarketCap accounts would be for sale on hacking forums.

CoinMarketCap, acquired by Binance in April 2020, confirmed the information and explained that the list of user accounts leaked fit well with its user base :

โ€œCoinMarketCap has learned that lots of data has appeared online claiming to be a list of user accounts. Although the data lists we have seen are just email addresses, we found a correlation with our subscriber base. “

How the data was disclosed is still unknown, but it is believed to have taken place on 12 October 2021. CoinMarketCap also explained that the hackers did not have access to account passwords and that the leak did not come from these servers.

“We did not find no evidence of a data leak from our own servers, we are actively investigating this matter and will update our users as soon as we have new information. “

Data breaches are common

Despite the absence of immediate risks, this leak nevertheless violates the privacy of users. It could also give malicious people the resources to carry out further attacks, especially since CoinMarketCap users have already done so. the subject of phishing campaigns in the past.

Other companies in the crypto industry, including Celsius, Ledger and BitMEX, have experienced similar leaks involving email addresses and even user personal information. Each of these leaks has occurred in the past 2 years.

In response to the data breach, CoinMarketCap recalled some rules basic IT hygiene:

“We invite everyone to adopt good cybersecurity habits, and to have unique passwords on each site they use.โ€‰ยป

๐Ÿ‘‰ To read on the same subject: China crackdown: access to CoinMarketCap, CoinGecko and TradingView cut

About the Author : Florent David

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Engaged in the crypto ecosystem since 2017. I am particularly interested in decentralized finance (DeFi), Ethereum 2.0 and non-fungible tokens (NFTs).
All articles from Florent David.

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