Online casinos allow gamblers to play casino games over the Internet. These types of gambling websites are also known as Internet casinos and virtual casinos. They are a popular form of online gambling. These sites feature a wide selection of casino games. The most common casino games are poker and blackjack. However, there are a number of others that are equally popular.

Casino security is an important aspect of running a successful casino. Most casinos employ two separate departments to protect their guests: a physical security force and a specialized surveillance team. The former patrols the floor and responds to calls for help, while the latter operates the closed-circuit television system (CCTV). Together, these departments work to keep patrons safe and protect casino assets.

Casinos spend a lot of money on security measures. The house edge is a measure of how much a casino can expect to profit from a certain game. This number will help determine how much cash a casino should have in reserve. Gaming mathematicians and computer programmers are the people who perform this work for casinos. These professionals are hired by casinos because they do not have the expertise to perform the work themselves.

In addition to being equipped with CCTV security, casinos have elaborate surveillance systems that enable them to monitor all areas of the casino. These surveillance systems include cameras positioned on the ceiling, every table, and every doorway. They can be adjusted to focus on suspicious patrons, and the video feeds are recorded and archived.