Marking property without the owners consent is considered defacement and vandalism and this is a punishable crime

The different types of vandalism include graffiti, property damage, theft or defacement of public property, and intentional destruction of property. Other forms can include cyber vandalism, such as hacking, spreading malware, or defacing websites.

Vandalism is the act of intentionally damaging another person's property. This can include graffiti, destruction of objects, or defacement of buildings without permission. It is considered a criminal offense in many jurisdictions.

· In many places all over the world, marking or painting property without the property owner's permission is considered defacement and vandalism, which is a punishable crime.

Susan M J Lacey has written:

'Library vandalism and textual mutilation' -- subject(s): Libraries, Mutilation, defacement, Books, Security measures