Expertise
19 + years experience in Roaming, Interconnect and Telecom Fraud Prevention | Customer protection | Call and SMS Verification | AI | Tech | Product management
About Dmitry
Dmitry has over 15 years’ experience in international roaming, interconnect and fraud management. Having previously worked for both MNO and MVNO/MVNE operators, he has a good understanding of different technologies and business models within the telecommunications market.
His experience includes participation in complex integration projects from both sides – that of the vendor and the network operator.
All articles by Dmitry
What is Vishing? Why It Harms the Telecom Industry and How to Stop It
What is Vishing? Why It Harms the Telecom Industry and How to Stop It
Vishing presents a considerable cybersecurity threat, especially to those within the telecom industry. Let's learn how to combat vishing call attacks, protect user data, and maintain privacy.
AB SMS Security: Prevent SMS Fraud Comprehensively with AI and Cross-Validation Technology
AB SMS Security: Prevent SMS Fraud Comprehensively with AI and Cross-Validation Technology
SMS fraud is on the rise, with $5.8 billion lost to this fraud type in 2023. AB SMS Security offers business and MNOs comprehensive, AI-based peace of mind.
Test Call Generator: Virtual Efficiency for Real Call Testing
Test Call Generator: Virtual Efficiency for Real Call Testing
AB Handshake’s new-gen TCG: Simplify call testing, use subscriber-friendly modes, get detailed reporting, and reduce termination revenue loss.
Unveiling CLI Spoofing Defenses: Your Calls, Secured!
Unveiling CLI Spoofing Defenses: Your Calls, Secured!
Are you at risk from CLI Spoofing fraud? Discover how AB Handshake’s next-gen CLI Spoofing Prevention solution transforms telecom security. Learn how to stay safeguarded against robocalls, spam, scam, and more, while boosting revenue, ensuring compliance, and protecting your brand’s reputation.
AB Handshake’s Solution to the Crisis of Artificially Inflated SMS Traffic
AB Handshake’s Solution to the Crisis of Artificially Inflated SMS Traffic
Concerned about Artificially Inflated SMS Traffic? For top brands, the percentage of SMS AIT may reach between 30% and 60%. Discover a powerful solution to safeguard your business.
Enterprise Telecom Fraud in Focus: Challenges and Solutions
Enterprise Telecom Fraud in Focus: Challenges and Solutions
Explore enterprise telecom fraud challenges, beneficiaries, losses and possible solutions. This article covers various fraud types, including PBX hacking and Wangiri 2.0, and emphasizes advanced anti-fraud tech. Discover how businesses can use AI and ML tools to detect and prevent fraud in real time, protecting revenue and brand in a global ecosystem.
Fraud Radar Facilitates a New Revenue-Saving Approach to Stopping Fraud
Fraud Radar Facilitates a New Revenue-Saving Approach to Stopping Fraud
AB Handshake proposes a new, revenue-saving approach to stopping fraud – the granular blockage of A and B number ranges for the duration of an attack. Our Fraud Radar real-time alerts operate effectively based on collective intelligence.
Strengthen your defenses against fraud FOR FREE WITH VOICE TRAFFIC CHECKUP
Strengthen your defenses against fraud FOR FREE WITH VOICE TRAFFIC CHECKUP
A lack of advanced anti-fraud tools can lead to blind spots in an operator’s networks that fraudsters will exploit. To address this, AB Handshake presents a free-of-charge Voice Traffic Checkup solution.
AB Handshake launches Flash Call Detector
AB Handshake launches Flash Call Detector
We are thrilled to announce a new solution for operators and transit carriers, which addresses a very pressing issue – flash calls.
Cooperation – A paradigm shift for telecom fraud management systems
Cooperation – A paradigm shift for telecom fraud management systems
Traditional telecom fraud management systems work in isolation. With AB Handshake, operators can eliminate telecom fraud for good – via cooperation.
AB Handshake Launches AI Shield
AB Handshake Launches AI Shield
Anti-Fraud Solution Powered by Machine Learning
Stop the Fraud, Stop the Churn
Stop the Fraud, Stop the Churn
A telco churn reduction strategy is effective if it accounts for fraud. By eliminating fraud, telcos can build trust in their service and retain customers.
Dmitry Sumin to Present at Telecom Fraud & Risk Management Forum Africa (TFRM)
Dmitry Sumin to Present at Telecom Fraud & Risk Management Forum Africa (TFRM)
This year’s Telecom Fraud & Risk Management Forum (TFRM) in Johannesburg, South Africa will feature Dmitry Sumin, Head of Products at AB Handshake.
Call Stretching & Short Stopping - Fraudsters Targeting Premium Rate Destinations
Call Stretching & Short Stopping - Fraudsters Targeting Premium Rate Destinations
Call Stretching & Short Stopping are telecom fraud schemes that strike operators in premium rate destinations. Block 100% of attacks with AB Handshake.
Benefits of Joining the AB Handshake Community - Beyond fraud prevention
Benefits of Joining the AB Handshake Community - Beyond fraud prevention
Eliminating fraud is about more than revenue. It’s about dispute resolution, churn, and boosting business operations overall. Join AB Handshake today!
Fraud Management Paradigm Shift Webinar
Fraud Management Paradigm Shift Webinar
We are pleased to invite you to the webinar, "Fraud Management Paradigm Shift: From Individual to Collective Protection", led by AB Handshake expert Dmitry Sumin. It will take place during the CFCA Fall educational event on October 14, at 11 am EST.
How Has COVID-19 Changed Fraud Patterns?
How Has COVID-19 Changed Fraud Patterns?
In the age of COVID 19, businesses have become more reliant on telecommunications services as their employees and other processes operate remotely. And the fraudsters have given an appropriate response, engaging in 'COVID 19 fraud'.
Collective Immunity - A Vaccine for All Telecom Fraud
Collective Immunity - A Vaccine for All Telecom Fraud
'Collective Immunity' - The answer to stopping telecommunications fraud
Solving the robocall challenge
Solving the robocall challenge
The problem of robocalls is very complex. It's not limited to just understanding whether the call is being made by a human or a robot.
AB Handshake can solve the robocall issue once and for all
AB Handshake can solve the robocall issue once and for all
Why is the problem with robocalls so difficult? Why can't we simply block all calls from robots and be done with it? Well, people may be subscribed to get this information voluntarily. They may be waiting for such a call. The solution isn't so easy.
The Secret to Stopping Call Stretching Fraud: Enable a Real-Time Handshake between Operators
The Secret to Stopping Call Stretching Fraud: Enable a Real-Time Handshake between Operators
We are pleased to announce that Capacity media has published their interview with our Managing Director Vasiliy Birulin.
AB Handshake – not just a new FMS webinar
AB Handshake – not just a new FMS webinar
Voice fraud remains a big problem.
Detecting Call Stretching and OTT Termination webinar supported by CFCA
Detecting Call Stretching and OTT Termination webinar supported by CFCA
It is a pleasure for us to announce that ad-hog webinar addressing the topic: "Detecting Call Stretching and OTT Termination."
AB Handshake presented at FASG#19
AB Handshake presented at FASG#19
We were honored to speak at FASG #19 on March 2-4.
Community: A new paradigm for voice traffic fraud protection
Community: A new paradigm for voice traffic fraud protection
Karsten Lereuth is the chairman and co-founder of Telebix, a member of the telco business community leading the roll-out of AB Handshake….
AB Handshake Free Trial
AB Handshake Free Trial
Fraud is a significant problem that hurts the whole telecom industry. Annual losses from fraud are reported to be around $28B.
Caller ID Spoofing Fraud Explained
Caller ID Spoofing Fraud Explained
Prevent Caller ID Spoofing. Protect from Fraud with AB Handshake.
What is Call Short Stopping Fraud
What is Call Short Stopping Fraud
Short Stopping Prevention. Protect from Fraud with AB Handshake.
Understanding and Preventing Call Stretching Fraud in Telecom
Understanding and Preventing Call Stretching Fraud in Telecom
Call Stretching Prevention. Protect from Fraud with AB Handshake.
Wangiri 2.0 Fraud
Wangiri 2.0 Fraud
Wangiri 2.0 Detection & Prevention. Protect from Fraud with AB Handshake.
PBX Hacking Fraud Explained
PBX Hacking Fraud Explained
PBX Hacking Prevention. Protect from Fraud with AB Handshake.
