In addition to malware, a newer and bigger threat to the safety, security and value of cryptocurrencies has emerged: in-browser cryptojacking that hackers use to target the newer less-well known currencies such as Monero, Coinhive and Zcash.

These low-profile cryptocurrencies are the currencies-of-choice among threat actors; and a recent cryptojacking campaign infected over 500 000 victims in just three days.

This is according to Jeremy Samide, CEO of international cybersecurity and threat assessment firm Stealthcare, who says: “In-browser cryptojacking works off JavaScripts, which are installed on the most popular websites and readily available to anyone with criminal intent.

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