The Ekubo automated market maker infrastructure project experienced a $1.4&nbsp;million theft after attackers were able to take advantage of a <button class="define-target" id="smart-contract">smart contract</button> that improperly verified permissions. They stole 17&nbsp;<button class="define-target" id="wrapped-token">w</button>BTC ($1.4&nbsp;million), which they swapped for ETH and laundered via Tornado Cash.

"Attackers drain $1.4M in wrapped bitcoin from DeFi protocol Ekubo in approval-based exploit"

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Ekubo exploited for $1.4 million