[Canonical Whitepaper 2025] A guide to infrastructure hardening: Best practices to improve the security posture of your Linux-based infrastructure deployments

[Ralf Mardorf]

On Fri, 2025-12-12 at 03:10 +0000, Turritopsis Dohrnii Teo En Ming via ubuntu-users wrote:
> The hardening guide link is at
> 
> https://scontent.fsin4-1.fna.fbcdn.net/m1/v/t0.50684-6/An-QPxv9ZNZZ0c11iGB1pyzPfjxKJTjG8Qz0xNpoXiWxz7mIOHBCV9BZbjzXGXqwrCzW5-zkTwrbdjgZEpsdbV0EOLaxMDQ3sYm0D-WnUVR83NaeyS63c-0QDBKUUA/A+guide+to+infrastructure+hardening+(1).pdf?_nc_oc=AdnUaZXrZzBSawbBa2Fdg6N5_1_pDIQHxwjLwbg58gNZaqKmB7Vi3nsddN8bjL-7Eqo&ccb=10-5&oh=00_AfmDyrFxB28d4GRqI-kzzMydIet7jkJbDzDEFn0DBru9Dg&oe=6962CB92&_nc_sid=de6fe6

This link inspires trust because it looks like a typical official link
to a source from Canonical. Thank you for sharing!

If you don't click on this link, you've already closed the biggest
security gap.

;)