Cryptojacking is the unauthorized use of computers to mine cryptocurrency, consuming resources and potentially exposing systems to further compromise.
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Cryptojacking is the unauthorized use of computing devices to mine cryptocurrency by running hidden mining software or scripts. Attackers often exploit software vulnerabilities, compromised websites, or phishing to deploy these miners, which consume significant CPU or GPU resources without the user’s consent. This covert activity can degrade system performance and increase power consumption, sometimes causing hardware stress or failure.
From a security perspective, cryptojacking signals a breach that may expose systems to further compromise. Defenses include timely patching of vulnerabilities, restricting execution of unapproved scripts, and monitoring for unusual resource usage or network traffic linked to mining pools. Detecting cryptojacking requires careful analysis since mining processes can mimic legitimate system activity, making anomaly detection and threat intelligence critical for identifying and mitigating these hidden threats.
The threat actor behind the lesser-known AstraLocker ransomware told BleepingComputer they're shutting down the operation and plan to switch to cryptojacking. [...]