Nothing is safe and permanent in this world but when it comes to casinos and sportsbook it is the safest and secure way of earning money. Currently there have been very few complains with deposit and withdrawal but these are not of very high priority. Almost all the casinos require license to operate.
To acquire license the applicant have to pay lots of cash and follow some insurance policies. Beside, this candidate also has to pass some government verifications and rules. The license agreements includes personal information, applicant's financial details etc. Consider the example of Malta, all the casinos licensed under local jurisdiction of Maltahas to deposit average winning amount to make sure that they are good casino and they can pay the winner. So, after clearing the hurdles and meeting all the requirement the applicant is able to operate the casino. Hence, it is safe and authorized by the government.
The software uses by casinos and sportsbooks are encrypted and secure that ensures safe transactions. In many countries, the gambling software also handed over to the government for overall checking of fairness concerning the player. They keep the information confidential. The payments of the games that are played on gaming machine are decided by the casinos and the good casinos inform about the winning percentage online.
According to some research and gambler online casinos are fair and there are not too much problems to invest. However, the choice of online casino is very important.