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Coinbase saw its stock dip on its big day in the S&P 500. It closed at about $263, down from its high. Then came news of a US Justice Department probe into how hackers stole customer data. It’s a sudden turn for the exchange that just replaced Discover Financial Services on the index.
Investigation Underway At DOJ
According to a Bloomberg report, the Justice Department’s criminal division in Washington opened an inquiry into the breach. Investigators want to know how rogue support staff overseas were paid off. They’ll look at the path from initial contact to data theft.
Based on reports, the cyberattack relied on bribing customer service agents. Those insiders then gave criminals the info they needed. The company says no financial accounts were touched. But personal details did end up in the wrong hands.
DOJ probes Coinbase cyberattack involving $20M extortion attempt
The U.S. Department of Justice (DOJ), including its criminal division in Washington, is investigating a cyberattack on @coinbase Exchange in which hackers attempted to extort $20 million to prevent the release of…
— CoinNess Global (@CoinnessGL) May 19, 2025
Reward Offered To Find Exploiters
Coinbase put up a $20 million reward. That matches the amount hackers demanded in blackmail. Users affected by the breach will get full reimbursements, the exchange promised. It’s one way to keep people from pulling out their coins.
Total crypto market cap currently at $3.27 trillion. Chart: TradingView
Lawyers have filed as many as six lawsuits over the compromised data. That includes top execs like Roelof Botha from Sequoia Capital. Even crypto millionaires are hiring bodyguards after their info leaked. Rival platforms Binance and Kraken saw similar insider attacks.
Stock Debut Marred By Regulatory Clouds
It wasn’t all bad news on listing day. Coinbase became the first crypto firm on the S&P 500. Yet the celebration was muted. The stock first tumbled on May 15 when whispers of the breach hit. It only recovered back to $263 by last Friday.
Image: DeFi Planet
Coinbase’s Chief Legal Officer Paul Grewal says they’re working with the SEC, though he doubts the probe should drag on. The agency is still looking into past user‑number disclosures that might have misled investors. Now the DOJ is stepping in over the hack itself.
What Comes Next For Customers And Investors
Folks watching Coinbase will want updates on both fronts. Any criminal charges could bring fines or jail time for those involved. Civil suits could cost the exchange more money. And investor faith may wobble if the story drags on.
Coinbase has moved fast to plug its holes. It says new security steps are in place. But with law firms circling and regulators digging deeper, the next few weeks will be critical.
Featured image from Vecteezy, chart from TradingView
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