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18th October 2022: The ITW Global Leaders’ Forum (GLF), a leadership body of the international carrier industry, has today published its fifth annual report on the status of fraud in the international telecoms industry, as well as the names of the organisations that have been attested compliant with the GLF Code of Conduct to prevent fraud in international telecommunications. Details of the process and the results are included in the report available to download here: www.itwglf.com


Key findings from this year’s report include:


  • The volume of fraud has been increasing, 50% of survey respondents see an increase in the volume and impact of fraudulent voice traffic versus the previous year. A 24 pp increase from the 26% of respondents in 2021, with only 33% of respondents see a decrease in the impact of fraud. This indicates that fraud teams are increasing the capabilities to detect fraudulent traffic whilst bad actors are still driving a significant amount of fraudulent traffic through the carriers.

  • IRSF was listed as the highest in terms of volume (50% of respondents listed as ‘high’ volume) and financial impact (56% of respondents listing ‘high’ impact). As IRSF covers several techniques used by fraudsters the volume and traffic causing financial impact is higher than other use cases. Second to IRSF a popular application denominated Missed Call / Wangiri Fraud with 48% listing ‘high’ volumes.

  • Historical trends indicate a constant decrease in the volume and financial impact of Hijacking, Hacking of a customer’s phone system and false answer supervision. A 6pp, 8pp and 24pp reduction since 2020 respectively. This illustrates the fact that voice fraud is a constantly changing environment from bad actors looking to fool systems to fraud teams that must continue to innovate and collaborate within the industry to stay one step ahead.

  • The increased sophistication and technology used by fraudsters have brought great challenges to the carriers, fraud teams. Although some use cases such as the financial impact of Missed Calls/Wangiri have been mitigated, ISRF is still the main concern of the industry, sparking new use techniques and methodologies to commit fraud. This concern should be translated to a further collaboration of fraud teams and the overall community, as this concerns many actors along the value chain.

  • The growing messaging market has proven to be attractive to fraudulent actors. 35% of respondents observe an increase in the impact of fraudulent messaging traffic in the past 12 months. With SMS Phishing the most popular in volume and growth (55% and 48% of respondents respectively). As phishing messages increase in sophistication, it is crucial to both improve tools that detect and block fraudulent messages and double down on the efforts to educate customers in both detecting and reporting suspicious messages.

  • Despite the high volumes in messaging fraud, effective firewall systems and the nature of the fraud results in use cases having a low financial impact on respondents, 42% responded low impact on SMS Phishing as well as 42% on Originator Spoofing. Although some use cases have no direct financial impact on carriers, they do have a negative impact on customer experience. Additionally carriers must ensure the security and integrity of their network, making efforts to detect and fight against traffic intending to damage their end users.

  • Even though messaging traffic is a growing concern, 50% of carriers who provided insights on both voice and messaging fraud see the volume of fraudulent voice traffic higher than the volume of messaging traffic. Although no consensus is reached given the data, additional points to consider are the varying volumes of messaging and fraud traffic each carrier experiences, the fact that some carrier’s messaging product is still novel to the market and that carriers have different thresholds to classify suspicious traffic.

  • Diving into the carrier’s internal practices, respondents show that fighting fraudulent traffic is an increasingly top priority, with 43% of respondents listing fraudulent traffic as a top priority in their organization, a 17pp increase from 2021. As indicated by the data this top priority translates into direct investment in internal resources, 77% of respondents foresee an increase in investing in fraud prevention infrastructure focused on process automation and efficiency. Additionally 47% of respondents forecast an increase in FTEs allocated to manage fraud in the next 12 months, hence the GLF expects continued investment in both manpower and technological solutions to support the fight against fraud.

  • The code of conduct established in 2018 sets the benchmark of behaviour that carriers should seek to attain to ensure that there is consistent action taken across the industry to fight against fraudulent traffic. It is broken down into 6 principles related to targets and reporting, processes, destinations, payment flows, information sharing and contracting.

  • The attestation process kicked off in 2021 requires that participants prove their adherence to each of the six principles. To be compliant carriers must score over 70% in each of the six principles and provide evidence for their responses. Of the carriers that participated in the 2021 attestation process, 39% made Improvements to their practices improving their score, principally in the efforts made to roll out anti-fraud clauses in their new and existing contracts to comply with i3 forum standard anti-fraud clauses.

The purpose of the formal attestation process is to help the Code of Conduct signatories to assure they have the necessary capabilities and systems in place to comply with the principle of the Code of Conduct. Furthermore, it provides third parties an independent verification of the carrier’s capabilities to actively fight fraud, and their commitment to:

  • Actively monitor and report on fraudulent activity;
  • Assist in the investigation of fraud;
  • Take the appropriate and swift steps to stop payments to those who commit fraud;
  • Implement standard contractual clauses to harmonise the treatment of fraud across the industry.

The attestation process has been carried out for the second year and was done independently by the GLF and supported by Delta Partners. It involved the assessment of the responding carrier’s current systems, processes and policies against agreed benchmarks set in accordance with each of the six principles of the Code of Conduct. Each response was further verified by evidence.

The carriers who have been confirmed as compliant with the GLF Code of Conduct are:

A1 Telekom Austria, Airtel, BICS, BT, BTS, Colt, Deutsche Telekom, Etisalat, iBasis, Identidad Technologies, IDT, Lanck Telecom, MTN GlobalConnect, Orange, PCCW Global, Sparkle, Tata Communications, TELEFÓNICA GLOBAL SOLUTIONS, Telstra and Vodafone.

Judit Albers, Director Wholesale for A1 Telekom Austria and the lead of the GLF working group against fraud said:

“This year’s GLF Fraud Report marks the second year in a row that we have published the names of carriers taking action to minimise and eradicate fraud on their networks. I am proud that we have continued this process as it is an important that, as an industry, we promote the work that these carriers are doing to minimise the prevalence and impact of fraud.”

Annabel Helm Director of the GLF, said:
“The results of the 2022 Fraud Report highlight the continued need for focus on this issue. The publication of the outcome of the Adherence to the Code of Conduct process clearly demonstrates that the international carrier industry is wholly committed to minimising fraud and making significant investments in tools and teams to drive change. It is an evolving and ever-improving process but we hope that you can take this report as proof that the carrier community is taking real action and I invite more organisations to become signatories of the Code of Conduct and join the Adherence process to support the industry’s fight against fraud in the coming years.”



Our in-house solution TUKU FMS can detect, prevent and take action on potential fraud in both incoming and outgoing voice traffic streams.


If you have any questions please contact us through the link below and we’ll be happy to solve all your doubts.  


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