safeguard
🇺🇸
/ˈseɪfɡɑːrd/
🇬🇧
/ˈseɪfɡɑːd/
to protect something or someone from harm or danger
We must safeguard our personal information online to prevent identity theft.
something that protects people from harm or danger
The new law provides an important safeguard for children's safety online.