insecure vs unprotected

insecure and unprotected both are adjectives.

Word	Noun	Adjective	Verb	Adverb
insecure	No	Yes	No	No
unprotected	No	Yes	No	No

insecure (adjective)	unprotected (adjective)
lacking self-confidence or assurance	lacking protection or defense
lacking in security or safety
not firm or firmly fixed; likely to fail or give way
not safe from attack