CoinMarketCap Phishing Attack Mitigated Quickly After Discovery

CoinMarketCap experienced a phishing attack on June 20, 2025, via a homepage pop-up targeting Web3 wallets. Swift actions from CoinMarketCap’s security team rapidly neutralized the threat within five minutes.

This incident underscores ongoing security challenges in the crypto sphere, drawing immediate community attention and warnings. While no large-scale fund loss is reported, the event highlights vulnerabilities in web-based platforms.

Phishing Attack Neutralized in Five Minutes

The phishing attack on CoinMarketCap was quickly flagged by the security team and crypto community.

Utilizing the homepage doodle image logic, malicious code prompted unauthorized wallet connections.

Participants included CoinMarketCap, MetaMask, and Phantom, which swiftly issued user alerts to avoid interactions. CoinMarketCap’s prior acquisition by Binance enhances its central role in crypto data aggregation.

No Institutional Losses, Users Targeted

Financially, there were no massive institutional losses, and the incident targeted individual users rather than platform funds. Regulators have not issued advisories, but immediate user warnings were recognized across platforms.

Historically, similar phishing incidents have transpired, impacting confidence in web-based crypto services. The swift response mitigated damage, with only a brief attack window recorded. Enhanced monitoring is expected, per ongoing security measures.

Recurrence of Web-Based Phishing Tactics

Comparable past events involved website interfaces, such as overlays on Etherscan and DeFi dashboards. These incidents typically involve malicious scripts injected into content modules.

Insights from experts highlight unchanged vulnerabilities in web platforms likened to prior breaches, emphasizing proactive defense. As digital asset growth continues, emphasis on enhanced cybersecurity measures is crucial to reducing recurring risks.

CoinMarketCap Security Team, CoinMarketCap, “Do NOT connect your wallet to any prompt on our site at this time. We are investigating an unauthorized pop-up—updates will follow.” – source

Disclaimer: This website provides information only and is not financial advice. Cryptocurrency investments are risky. We do not guarantee accuracy and are not liable for losses. Conduct your own research before investing.