A security services in sydney is a person who works for the government or a private party to ensure the safety of assets. They enforce laws to prevent crime and keep people and property safe. A security guard also enforces preventative measures to prevent crime. They must be well trained and certified. Salary is also a consideration.Salary for security guards varies widely, and it’s not uncommon for entry-level positions to pay less than minimum wage. In the United States, the average security guard salary is $35,398 per year, depending on the level of experience and location. The Bureau of Labor Statistics estimates that salaries will rise by about three percent per year in the next few years.