The phrase "a fraudulent system" is correct and usable in written English.
You can use it to describe a system that is deceptive or dishonest in its operations or practices.
Example: "The investigation revealed that the company was operating a fraudulent system to mislead investors."
Alternatives: "a deceitful system" or "a corrupt system".
"It is open to all kinds of fraud, not that it is a fraudulent system," Professor Hill said.
Mr. Perry came under fire almost as soon as he joined the presidential race this summer for saying in a recent book that Social Security was a "fraudulent system" and comparing it to a Ponzi scheme.
Be Aware - The banks are so compartmentalized that you may not even realize you're a part of a fraudulent system.
Later in October, Baldwin was interviewed by NPR where he discussed his opposition to the Federal Reserve, which he described as a "fraudulent system" and which he blamed for the 2008 economic crisis.
The complaint alleged that Heartland and some of its executives including Sheldon Maschler, his son Erik and technology wiz Jeffrey Citron (founder of a private trading system called Island and today head of the Internet telecom firm Vonage)–had devised and used a "fraudulent scheme" to exploit the SOES system for illegal trading.
And it'll become, you know, an essentially fraudulent system.
Venezuela's opposition coalition has accused one of its former members of "legitimising a fraudulent election system" because he broke ranks and put himself forward as a candidate against President Maduro.
Fraud detection mechanisms support the successful identification of fraudulent system transactions performed through security flaws within deployed technology frameworks while maintaining optimal levels of service delivery and a minimal numbers of false alarms.
"They are fraudulent systems designed to take in a lot of money at the front and pay out none in the end.
Detection rules were developed based on the identified signs and applied to the design of a fraudulent account detection system.
It as a smear job from A to Z because 99.95% of prosecutions are convicted, the whole [US legal] system is a fraudulent fascistic conveyor belt of corrupt prison system," he told Newsnight.
