The post Coinbase CEO Rejects $20M Ransom Demand After Insider Hack Exposes User Data appeared first on Coinpedia Fintech News In a massiver shocker, Coinbase, the largest crypto exchange in the U.S., has revealed a major cyberattack tied to bribed overseas contractors. The breach exposed sensitive customer data and was followed by a $20 million ransom demand in Bitcoin. If the fallout isn’t contained, Coinbase estimates it could face up to $400 million in remediation and reimbursement costs. Here’s the full download. A Breach Hidden in Plain Sight The attack began back in January 2025, but it flew under the radar for months. Coinbase only became fully aware of the breach on May 11, when the hackers contacted the company directly via email. Although the breach affected less than 1% of Coinbase’s monthly active users, the method used has raised serious questions. The hackers exploited vulnerabilities tied to third-party contractors outside the U.S., highlighting issues in Coinbase’s global operations – an uncomfortable spotlight just as the company prepares to join the S&P 500. Armstrong Takes a Stand Instead of negotiating, Coinbase CEO Brian Armstrong took a firm public stance. He announced via X that the ransom demand would not be met and made it clear that Coinbase would pursue legal action. “We will prosecute you and bring you to justice,” Armstrong said in his post, adding that Coinbase is offering a $20 million reward instead for any information that leads to the arrest of those involved. While the move sends a strong message, it’s also drawn criticism. Some are questioning whether Coinbase’s current security infrastructure is equipped to keep up with its rapid expansion in such a volatile space. Internal Cleanup Ongoing Coinbase has since identified and fired the rogue contractors responsible for the breach. The company says it has already improved its security systems to prevent similar incidents in the future. Crucially, no passwords, private keys, or funds were compromised. Coinbase has promised to fully reimburse all affected users. Still, the breach has left a stain that may take time to clean up, especially with public trust on the line. .article-inside-link { margin-left: 0 !important; border: 1px solid #0052CC4D; border-left: 0; border-right: 0; padding: 10px 0; text-align: left; } .entry ul.article-inside-link li { font-size: 14px; line-height: 21px; font-weight: 600; list-style-type: none; margin-bottom: 0; display: inline-block; } .entry ul.article-inside-link li:last-child { display: none; } Also Read : Coinbase Just Delisted MOVE Token — Here’s What That Means for Traders , Security Remains a Challenge: Nick Jones Nick Jones , founder of blockchain payments firm Zumo, weighed in on the situation. He noted that security will continue to be one of the biggest challenges for the crypto space, especially as more mainstream institutions enter the market. His take reflects a growing concern across the industry: while adoption is rising, the tools and safeguards often aren’t keeping pace. Final Thoughts: Security and Trust on Trial Trust is everything. Even as Bitcoin continues to rally and more institutions embrace crypto, the risk of insider threats and cyberattacks hasn’t gone away – if anything, it’s growing. 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