Vigilance (noun)

The state of being watchful for possible danger or difficulties.

Origin:

Late middle english: from old french, or from latin vigilantia, from vigilare "to keep watch".

Examples:

1. We must maintain a high level of vigilance to protect ourselves from crime.
2. The government has called for increased vigilance in the fight against terrorism.
3. We must maintain vigilance to protect our rights and freedoms.
4. The company's vigilance in detecting fraud helped prevent a significant loss.
5. The border patrol is on high vigilance to catch any illegal crossing.