unprotected
adj. B1 Intermediate US //ˌənpɹəˈtɛktɪd// UK //ʌnpɹətˈɛktɪd// un·pro·tect·ed
adj. not covered or kept safe from harm, weather, or danger. You use this when something has no shield or help to stop it from being hurt.
adj. lacking a physical or legal barrier against harm, damage, or exposure. Often used predicatively after 'be' or 'remain' to describe a state of vulnerability.
You should not leave your skin unprotected in the sun.
The coastal village remained unprotected from the storm because the sea wall was still under construction.
Without a robust firewall and encrypted connection, your sensitive personal data remains unprotected against sophisticated cyberattacks that target public networks.
From un- + protected.
From unprotect + -ed.
Usage
Often used with the preposition 'from' or 'against' to specify the source of danger.