NEB seeks contractor to monitor 'vast amounts' of online chatter for potential security threats Pipeline regulator aims to 'proactively ... protect its personnel, critical assets, information and services' June 21, 2018 https://www.cbc.ca/news/canada/calgary/neb-security-monitoring-services-contractor-request-1.4715921
There's such a thing as listening to too much chatter that's likely meaningless, and perhaps intentionally misleading. Even the NSA hasn't been very successful at this.