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Cryptojacking: Over 2,500 websites are stealing your CPU capacity

Cryptojacking is a new phenomenon popularized by ThePirateBay. The debate quickly sparked whether hidden crypto mining on websites could become the revenue model of the future, replacing online advertising or paid subscriptions. Some commentators argue that it is fine as long as users are made aware of it. Others were against the idea, as more internet surfing (across multiple tabs) would have a tangible impact on utility bills.

According to an ArsTechnica report, there could be at least 2,500 websites with embedded crypto mining hidden from users. Willem de Groot, an independent cybersecurity researcher, estimates that the number of those websites will continue to grow. At the heart of the controversy is Coinhive. The company sells easy-to-integrate crypto mining machines that can be incorporated into websites as a source of income.

Mostly, for example, WordPress blogs are supplied by Coinhive that no longer want to earn their income from inexpensive ads. This is a worrying trend as blogs that do not disclose embedded mining options could detract from the credibility of the blogging platform they are based on (WordPress, Blogger) as a whole.

Worse still, neither Google nor Mozilla have anti-miner measures built into Chrome or Firefox. Ad-block Plus, the popular browser extension that disables web ads, has introduced a feature that disables scripts that display mining. You can also install this Chrome extension to turn off Coinhive scripts. Popular antivirus vendors like Kaspersky and McAfee, who include anti-phishing features with their software, have gone looking for websites with embedded mining to identify and block.

Source: Cryptojacking: Over 2,500 Websites Out There to Steal Your CPU Time