There are many different ways that online poker sites prevent fraud and cheating, but the most common methods are through the use of software and security measures. Most sites use a random number generator (RNG) to ensure that the cards dealt are fair and random. They also have security measures in place to detect collusion between players, as well as other forms of cheating.

In addition to software and security measures, online poker sites also employ fraud prevention experts who monitor player activity for any suspicious behavior. They also work with law enforcement agencies to investigate any allegations of fraud or cheating. By taking these measures, online poker sites are able to provide a safe and fair gaming experience for their players.

If you suspect that someone is cheating or committing fraud at an online poker site, you should report it to the site immediately. You can also contact your local law enforcement agency to file a report. By taking these steps, you can help to prevent cheating and fraud from occurring at online poker sites.