Defeating Google's audio reCaptcha with 85% accuracy-Nov 01, 2017
The internet is a weird and wonderful place where two or more parties share a communication link to communicate with each other. For services that assume a human will interact them there is significant scope for abuse of that service by programs designed to take advantage of that service. Computationally it is very cheap to send data over the internet and any function which performs a function on the data received, unless returning a static zero length message, will incur more costs than the sender.
We discuss ways that bot writers can use tools to enable the defeat of reCaptcha to wreak havok