Books & Articles

Because of an update of the text of the e-book, by the author Frans Roest, ‘Share Fraud & Boiler Room Scams Exposed” is temporarily not available. Please check back later.

An introduction to binary option fraud

Meanwhile, you can download two new texts for free (pdf). Both are written by Frans Roest, a Dutch expert on investment fraud, and Walter Leonhardt, a German open-source intelligence analyst.


In 2021 Roest was interviewed by Alexandra Kons about cybercrime and online investment fraud.  The interview was published in two parts in German on the website