Anonymous hackers going with the handle ‘@LiberoamericaMu’ And ‘@HackearArgentino’ on twitter hacked and defaced A military subdomain of Argentina which is used by Union of Reserve Officers of the Armed Forces https://unor.mil.ar/

The hacked website was showing a deface page as shown in the above screenshot with a short message,

Hacked [email protected] And @ HackearArgentino!
Union of Reserve Officers of the Armed Forces 
<- Owned! Again, we continue to demonstrate that 
security does not exist in Argentina! Greetings to 
all the corrupt government of shit SYSTEM YOU PWNED!

Just modify the index does not remove any important file ! 

Hacked website and Mirror:
https://www.unor.mil.ar/
https://zone-h.com/mirror/id/21288785
 
At the time of writing the article the website was still showing the deface page and was not restored.