What do you think is a duty of security and the quality of a good security?

The basic principles of security is to protect people, property and information.  He or she should Observe, Report and Follow up on what was reported.

Polite, Be able to use his discretion, Think quickly incase of emergencies, Be able to follow rules and obey instructions, Friendly but firm, flexible when required, alert and vigilante at all times, be able to stand and walk for a long time if required are just some of the qualities required.  

if you need more info you can pm me

A duty of a security is to ensure that he /she keep the life and property save, give the information at the time needed and make sure that client are well squared. This are quality of a good security,  1 security has to be honesty best and most important qualities of an excellent security guard .2 security guard must follow certain rules and polices they should have enough common sense to know exactly how and when to work around an issue especially if it presents a potential risk to their client. 3 A security guard must also know how to abide by the rules particularly those set up by their client ,there are instances however when these rules need to be modified in order to ensure that the clients kept safe or that legal requirement are met. 4 security guard must be able to communicate well not just with the client but with other people the client works or is involved with on a day to day basis