Who’s Scanning Your Network? (A: Everyone)
Not long ago I heard from a reader who wanted advice on how to stop someone from scanning his home network, or at least recommendations about to whom he should report the person doing the scanning. I couldn’t believe that people actually still cared about scanning, and I told him as much: These days there are countless entities — some benign and research-oriented, and some less benign — that are continuously mapping and cataloging virtually every devices that’s put online.