In-browser cryptojacking

[labbe5]

What is Cryptojacking and Why Is It a Cybersecurity Risk?

One way that cryptojacking attacks occur is via JavaScript code that runs in a browser. In that type of attack, the user visits a page, watches a video or clicks a link, where the embedded JavaScript cryptocurrency code is deployed.
https://www.esecurityplanet.com/network ... -risk.html

How to Defend Servers Against Cryptojacking

Cryptojacking has become one of the most active and pervasive threats in recent years. In a cryptojacking attack, a cryptocurrency mining script is injected into a server or a webpage to take advantage of the victim system's CPU power.
https://www.esecurityplanet.com/threats ... cking.html

The use of some addons can help :
NoScript Security Suite
Policy Control