IT operations and IT security organizations are collecting massive amounts of data. Some of that data is collected and/or stored in specialized tools, but some may be collected in general-purpose data platforms such as the Elastic Stack. But the question still remains: what percentage of that data is being paid attention to? By this, we mean the percentage of collected data that is actively inspected by humans, or being watched by some type of automated means (defined alarms based on rules, thresholds, and so on). Even generous estimates might put the percentage in the range of single digits. So, with 90% or more data being collected going unwatched, what's being missed? The proper answer might be that we don't actually know.
Before we admonish IT organizations for the sin of collecting piles of data, but not watching it, we need to understand...