Interpreting basic regular expressions
As you have read thus far, all the networking and security solutions and devices on an enterprise network gather data and generate logs about the traffic within an organization. Even end devices such as the employees' computers and servers create log messages about each transaction that occurs on the system. These log files can become very large in size as more log messages are written to them.
As a cybersecurity professional, if you are given the task of finding a certain event within a large set of data, going through it can be very time-consuming, involving a lot of manual work. However, there are various types of regexes that we can use to help us filter large quantities of data and quickly obtain specific results.
To get a better understanding of the importance and use of basic regexes, imagine you want to find a person's landline telephone number using a traditional telephone directory. If you recall, years ago, these traditional...
