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Coinbase Says Cyberattack Could Cost Up to $400 Million

Written by Randy Cooper | May 17, 2025 12:08:44 PM
Coinbase, the largest U.S.-based cryptocurrency exchange, disclosed a significant cyberattack that compromised the personal data of a small subset of its customers, as revealed in a regulatory filing on May 15, 2025. The breach, which involved hackers bribing overseas support staff to access sensitive information like names, addresses, and emails, has led to estimated costs of $180 million to $400 million for remediation and customer reimbursements. While login credentials and passwords remained secure, the stolen data enabled cybercriminals to conduct social engineering attacks, tricking some users into transferring funds to malicious accounts. This incident underscores the growing sophistication of cyber threats targeting the crypto industry, which saw $2.2 billion in stolen funds in 2024 alone, according to Chainalysis.
 

Response and Accountability: Coinbase Refuses Ransom, Offers Bounty


In response to the breach, Coinbase took swift action by terminating the implicated employees, enhancing fraud monitoring, and refusing a $20 million ransom demand from the attackers. Instead, the company established a $20 million reward fund for information leading to the arrest and conviction of the perpetrators, signaling a firm stance against cybercriminals. CEO Brian Armstrong emphasized cooperation with law enforcement to pursue justice, while Coinbase committed to reimbursing affected customers who fell victim to the scams. The company is also opening a U.S.-based support hub to bolster its defenses, addressing vulnerabilities exposed by the reliance on overseas contractors. This proactive approach aims to restore trust, but the incident casts a shadow over Coinbase’s upcoming inclusion in the S&P 500 index, a milestone for the crypto sector.
 

Industry Implications and Ongoing Challenges


The Coinbase breach highlights persistent security challenges in the cryptocurrency industry, despite its increasing mainstream acceptance. Analysts, like Bo Pei from U.S. Tiger Securities, suggest the attack may prompt stricter employee vetting and introduce reputational risks for crypto exchanges. The incident follows a pattern of high-profile hacks, such as the $1.5 billion Bybit heist in February 2025, illustrating the allure of crypto platforms for sophisticated cybercriminals. Additionally, Coinbase faces scrutiny from the U.S. Securities and Exchange Commission over past user figure disclosures, adding to its challenges. As the industry navigates these growing pains, the need for robust cybersecurity measures and transparent practices remains critical to sustaining consumer confidence and regulatory compliance.
 
Source: https://www.reuters.com/business/coinbase-says-cyber-criminals-stole-account-data-some-customers-2025-05-15/