Currently, malicious actors are embedding telemetry miners and brick code into fake NSP files listed on scraper sites. If a "Current Page" looks more than 6 months old or hosts files on ad-ridden shorteners, assume the NSP is a virus.
Nintendo’s legal team has been aggressively DMCA’ing public lists on GitHub and Pastebin. A "current" list today might be a 404 error tomorrow. Current Page- Nintendo Switch NSP List
To use NSP files, your console must be "modded" to run like Hekate or Atmosphere. Current Page- Nintendo Switch NSP List
This post is for educational and informational purposes regarding video game preservation and homebrew. We do not condone software piracy. Current Page- Nintendo Switch NSP List