I am interested in Manjaro Linux KDE. How secure is Manjaro Linuxl out of the box? How many efforts must be undertaken by the user to achieve a secure OS like Debian stable? Where is the landing point to harden Manjaro Linux against threats via Cyber-Crime? Thank you.
Try a search and read along
And your exact (almost) question was discussed last year
By the way, welcome to Manjaro!
jonathon closed #3