Splunk is a powerful tool, but with so many available functions and hit-and-miss coverage on forums it can sometimes take some trial and error to get queries right. Here’s what I pieced together to perform a count on a subset of events and group the data by two fields…
The security operations centre (SOC) is the heart of a firm’s cyber defences. Here are the basic elements and processes that a SOC uses to monitor for and respond to security incidents.
A while ago I wrote a post about using Python to parse tcpdump output for domains and URLs. Recently, I started to wonder if I could take that a step further. What if the DNS requests I saw could be checked against a blacklist in real time? And what if the output was presented in a more useful format? Here’s how I got these new features working.
After I managed to pull data from Twitter’s API using Python, I got thinking about what my next step would be. Then it hit me – I could draw data from external sources and find a nice extension to visualise it in some pretty graphs. Plotly is that extension.