Safety

/ˈseɪfti/ noun

the condition of being protected from or unlikely to cause danger, risk, or injury.

Security

/sɪˈkjʊərɪti,sɪˈkjɔːrɪti/ noun

1. the state of being protected against or safe from danger or threat.

2. the state of feeling safe, stable, and free from fear or anxiety.