This startup company wants to buy your excess CPU time. They are going to use it commercially using techniques similar to how excess CPU time is devoted to searching for aliens or doing research on diseases. https://gigaom.com/cloud/need-cash-forget-plasma-and-donate-cpu-time-instead/
As the internet and the cloud is leveraged more and more it is no surprise that federal agencies are reporting a dramatic increase in cyber attacks. Here is a an excellent article discussing the issue: https://tiny.cc/ix1ry