All rights reserved. Once you find an apartment to rent, you'll have to convince the landlord to rent it to you. Most landlords will require you to fill out an application and show some credit and employment history. If you aren't yet settled in the country you might have trouble with some landlords, yet others will rent to you anyway because they like you or because they are used to renting to foreigners.
Landlords protect themselves by taking security deposits from tenants.
When you do give the landlord a security deposit, make sure to check the local law. The landlord is probably required to keep the money in a bank account earning interest for you, paying you the interest every year or so. If you look hard enough you might be able to find a landlord from your own country. Just be careful that you do not pay too much extra or put up with unsatisfactory conditions just for the comfort of dealing with someone who speaks your own language. The same applies to employment, professional services and many other aspects of life.