security (EN)

noun

noun “security”

1. freedom from danger, risk, or harm; safety
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   They moved to a safer neighborhood for their children's security.
2. measures taken to protect a place or ensure safety
   Security at the event was tight, with guards at every entrance.
3. the department or personnel responsible for safety and protection
   If you see anything suspicious, please inform security immediately.
4. (computing) protection of data against unauthorized access; cybersecurity
   They need to improve their security to prevent hacking.
5. a financial asset like a stock or bond that can be traded
   The company issued new securities to raise capital.
6. property or assets used to guarantee the repayment of a loan; collateral
   He used his car as security when applying for the loan.
7. a guarantee or assurance
   They provided security that the project would be completed by the deadline.