Definition ∞ Transaction skimming involves intercepting or altering legitimate digital asset transactions to redirect a portion or all of the funds to an unauthorized address. This illicit activity typically occurs through malware on a user’s device, compromised exchange infrastructure, or malicious smart contract code. Attackers aim to surreptitiously divert assets during the transfer process, making it appear as a normal transaction to the sender. It represents a deceptive method of digital asset theft.
Context ∞ Transaction skimming is a serious security threat frequently highlighted in warnings about malware and phishing attacks targeting cryptocurrency users. It underscores the importance of verifying recipient addresses meticulously before confirming any transaction. Exchanges and wallet providers implement security measures to detect and prevent such interception. Users are advised to use reputable security software and maintain strong cybersecurity hygiene to mitigate this risk.
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