After scouring technical forums (Reddit r/networking, StackExchange, BroadbandReports), no credible reference to "Cosmid Net" emerges. However, a few possibilities remain:
If you eventually log in, immediately:
Often, these strings appear in search logs when users are looking for a very specific, cached version of a login page. How to Safely Log In to Genomic Portals cosmid net password login 58