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© 2023 CyberNews- Latest tech news,
product reviews, and analyses.

 1. Home
 2. Security


DATA OF OVER A MILLION CRYPTO EXCHANGE USERS EXPOSED

Updated on: December 14, 2023 1:00 PM
 * Vilius Petkauskas
   Deputy Editor

--------------------------------------------------------------------------------

Image by Cybernews.


GokuMarket, a centralized crypto exchange owned by ByteX, left an open instance,
revealing the details of virtually all of its users, the Cybernews research team
has discovered.

The leak comes after the team discovered an unprotected MongoDB instance, which
stored information on GokuMarket crypto exchange users.

Businesses employ MongoDB to organize and store large swaths of
document-oriented information, and in GokuMarket’s case, the details of over a
million customers and admin users.



GokuMarket, a cryptocurrency exchange, was recently acquired by Canada-based
crypto exchange ByteX. The move came after GokuMarket, which had around a
million users at the time, almost went bankrupt after denying users a withdrawal
option in mid-2022, a disastrous year for crypto.

GokuMarket’s exposed database was discovered in October 2023 and secured the
next day after researchers sent a responsible disclosure note.

However, the database was exposed to the web for some time, which means anyone
could have accessed it. Meanwhile, the open instance held a trove of sensitive
data on over a million users. The data included:

 * User IP
 * Country
 * Email addresses
 * Encrypted passwords
 * User crypto wallet addresses
 * Dates of birth
 * First and last names
 * Mobile numbers

Sample of leaked data.

The researchers believe that there’s more than enough information for a
persistent attacker to develop a spear-phishing campaign, which would likely aim
to drain the user’s crypto funds.

Additionally, the team discovered that the database held 35 accounts with
full-admin access, including private Telegram channel IDs, exchange platform
secret tokens, passwords, and other extremely sensitive information.

While individual user data may be exploited to target exposed users on other
platforms through credential stuffing attacks, admin access details open up far
nastier cans of worms, with attackers gaining the ability to scam en-masse, with
the risk of unauthorized fund transfer.



In theory, a leak of this nature could allow the manipulation of the market with
attackers leveraging official Telegram channels for their malicious intentions.
While the official GokuMarket Telegram channel has been inactive since September
2022, scams impersonating brands known within the crypto community are still a
viable option.

We have reached out to GokuMarket / ByteX for comment but have yet to receive a
reply before publishing the article.



--------------------------------------------------------------------------------


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Editor's choice
SECURITY
Experiment: the ultimate kill switch for ads, malvertisers, and scammers
by  Ernestas Naprys
14 December 2023

Those who worry about their phone spying, tracking, listening, and sending
information to advertisers or an intelligence agency can finally relax a little.
God bless private DNS.

Read more about Those who worry about their phone spying, tracking, listening,
and sending information to advertisers or an intelligence agency can finally
relax a little. God bless private DNS.
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13 December 2023
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11 December 2023
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12 December 2023
Major leak exposes users from Russian crypto exchanges
13 December 2023

--------------------------------------------------------------------------------



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