Collocations for protection - noun

adequate, effective, good, great
added, additional, extra
special
complete, full, maximum
basic
constitutional, legal
police
Witnesses at the trial were given police protection.

animal, child, consumer, data, environmental, personal, privacy, wilderness (AmE), wildlife, witness
She carries a gun in her bag for personal protection.
a witness-protection scheme (BrE)
a witness-protection program (AmE)
Animal protection supporters gathered to protest against hunting.

fire, flood
Fire-protection equipment must be available on all floors.

sun, UV
sun-protection products

bankruptcy
copy, copyright, patent
antivirus, password

degree
A helmet affords the rider some degree of protection against injury.

afford (sb), ensure (sb), give (sb), offer (sb), provide (sb with)
need, require
seek, want
have

under the protection of
The site is under the protection of UNESCO.
Many wild animals are now under the protection of the Wildlife and Countryside Act.

protection against
Fill the cooling system with antifreeze as a protection against frost.

protection for
Governments must provide protection for their workers.

protection from
The wall gives the plants protection from the wind.

a means of protection
The skunk releases a pungent smell as a means of protection.

for sb's own protection
She was put into a psychiatric hospital for her own protection.