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

As developers of business applications it is very common to create services that produce CSV files. CSV files comprise of tabular data on each row that is delimited by commas. Services for this format are simple to write and blazingly fast. Unfortunatly, partly because how quickly they can be produced, a lot of garbage can make its way into csv files. The fast majority of users will open csv files in the behometh, and much loved, Microsoft Excel. Excel is complete beast and will happily do many things with our csv file.

Always on the lookout for new tools to add the security arsenal I came accross a python library for the Vulners Database, one of the largest vulnerability databases around.