Major academic publishers, including Elsevier and Springer Nature, are trying to unmask the operators of several shadow libraries including Anna’s Archive, Z-Library and Libgen. They’re also targeting SLUM, a third-party uptime monitor for these unofficial libraries. A DMCA subpoena, issued by a D.C. federal court, requires Cloudflare to hand over identifying user data for possible legal action.
Source: Publishing Giants Escalate War on ‘Shadow Libraries’ With Broad Cloudflare Subpoena * TorrentFreak