CoinMarketCap
HighCoinMarketCap experienced an incident exposing 3.1 million email addresses in 2021.
- Records exposed
- 3,117,548 records
- Breach date
- Breach Oct 12, 2021
- Last update
- Updated Oct 22, 2021
What data was exposed?
Fields reported as compromised in this breach record.
Why does this breach matter?
In-depth analysis of the breach and its implications.
In October 2021, it was identified that approximately 3.1 million email addresses linked to CoinMarketCap subscribers were circulating on hacking forums. The company stated there was no evidence of a breach on their systems, suggesting the source of the data remains uncertain. Although no passwords or additional information were leaked, the community recognized the correlation between the exposed emails and CoinMarketCap accounts.
Impact Analysis
Understanding the scope and consequences of this breach.
- User Impact
- Exposed email addresses may increase spam, phishing, or targeted attacks against users.
- Business Impact
- Reputational damage due to a perceived lack of security might arise even without evident server compromise.
- Affected Sectors
- Cryptocurrency
- Geographic Impact
- Global
What You Should Do
Recommended actions to take in response to this breach.
If You Were Affected
- •Consider employing email filtering solutions to reduce potential spam.
- •Avoid opening unsolicited emails or clicking on unknown links.
- •You may report phishing attempts using your exposed email.
Preventive Measures
- •Enable multi-factor authentication wherever possible.
- •Use unique email aliases for different services.
- •Regularly monitor your email activity for unauthorized usage.
Frequently Asked Questions
Common questions about this breach and what it means for you.