I found an open-source NotebookLM alternative that's powerful, private - and free

There's an open-source alternative for NotebookLM that can be deployed to your local LAN and can work with locally-installed AI for better privacy.
CSO Online

North Korea’s ‘Job Test’ trap upgrades to JSON malware dropboxes

The long-running Contagious Interview campaign is now hiding BeaverTail and InvisibleFerret payloads inside JSON storage ...