Cryptojacking is a malicious activity where unauthorized individuals use someone else's computing resources, such as a computer, smartphone, or network, to mine cryptocurrencies. This is typically done by infecting the victim's device with malware that runs in the background without the user's knowledge.
Cryptojacking can significantly slow down the victim's device and increase energy consumption, as cryptocurrency mining requires substantial computational power and electricity. In some cases, overheating can also lead to hardware damage.
The rise of cryptocurrencies has made cryptojacking a popular tactic among cybercriminals. It's a way for them to generate profits at the expense of others without the need for expensive mining hardware or the high electricity costs associated with legitimate mining.
To protect against cryptojacking, individuals and businesses should keep their software and devices updated, use reliable security software, and be cautious when clicking on links or downloading software from untrusted sources. If a device runs slower than usual, uses a lot of resources, or overheats, it could be a sign of a cryptojacking infection.