Warning: session_start(): open(/var/lib/php/sessions/sess_o8ov9bm1l6najn15tp75ah9b71, O_RDWR) failed: Disk quota exceeded (122) in /var/www/html/wp-content/plugins/wp-clone-template/main.php on line 119
Manuel Basilavecchia - trefor.net

Mobile operator fraud case study

A Mobile Operator Fraud case study but it could apply to any type of network In this article this week’s guest editor Manuel  Basilavecchia of Netaxis describes a mobile operator fraud – in other words a telecom fraud that impacted a mobile operator. He describes the type of traffic pattern (destinations) and fraudster behaviour. For obvious reasons […]

Missing Trader VAT Fraud

Missing Trader VAT Fraud Fraud is for telecommunication companies a wide problem. Several fraud scenarios are well know like IRSF, PBX hacking, Bypass, and could be managed using a Fraud Management System (FMS). Nevertheless, there is a fraud mechanism that could severely affect the business of a company even if this company is using an […]


Warning: Unknown: open(/var/lib/php/sessions/sess_o8ov9bm1l6najn15tp75ah9b71, O_RDWR) failed: Disk quota exceeded (122) in Unknown on line 0

Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/lib/php/sessions) in Unknown on line 0