Symmetry CEO Bill Leahy has expanded his company’s portfolio by adding the PRISM fraud intelligence service that Yates supplies to over 60 telcos globally.
Many carriers said they were following best practices for fraud mitigation but IRSF and wangiri are still big problems.
Colin Yates, the leading expert on international revenue share fraud, will give data about 50,000 fraud targets in Ukraine to any telco that responded to the crisis by cutting the cost of calls to Ukraine.
Analysis from the PRISM database of International Premium Rate Numbers shows revenue share fraud occurs across a far wider range of destinations than before.
The Cellusys-Kaleido signaling security survey contains many other statistics that will trouble risk managers and ordinary phone users.
Researchers Merve Sahin and Aurélien Francillon claimed their method detected 98% of IRSF calls with 0.28% false positives.
The PRISM database of revenue share numbers keeps needing to be refined to allow for changes in the methods used by IRSF and wangiri fraudsters.
How can smaller international carriers compete in a high volume, low margin business? The answer is to deliver quality and prevent fraud.
Why are so few telco fraudsters punished? Is it sufficient to block the top ten IRSF destinations? Does RA suffer a lack of innovation? These and other questions were covered in this week’s episode.
Two Maltese operators suffered losses of USD32,300 after Vodafone Greece SIMs were used to make calls to unallocated UK numbers.