Cryptojacking: Bitcoin Malware with Estaban Vargas

Blockchain – Software Engineering Daily

Malware is malicious software that makes money for the creator of that software. Malware can appear onto a user’s computer if that user visits a malicious website or installs malicious software by accident.

There are many types of malware. Spyware sits on your machine and logs your data in order to sell it. Ransomware can lock your computer and demand that you pay money to unlock it. Adware serves you popup ads that you don’t want to see.

Cryptojacking is a newer form of malware. Cryptojacking software uses your computer to mine Bitcoin and other cryptocurrencies. Cryptojacking can occur when you visit a website that is running JavaScript that is executing along with the rest of the webpage. When you visit a website with a cryptojacker, your computer will become slower, because your CPU is being taken over to mine cryptocurrency.

Cryptojacking can occur anywhere that code runs–and there is a lot of code running on cloud providers.

Cloud providers themselves are very secure. But a cloud provider cannot force its customers to be secure. Users who host an insecure application on a cloud provider may get infected with a cryptojacker. If I host a large, complex website on a cloud provider, and I’m serving millions of users, I’m already paying a lot in cloud costs. But when my application gets infected with a cryptojacker, my costs could shoot up. And if I don’t know why my costs are increasing, I might leave the cloud provider.

Estaban Vargas is the co-founder of SafeTalpa, a company that provides defense against cryptojackers. Estaban joins the show to explain how cryptojackers work and why cloud providers have trouble defending against them.

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