Dmitry Sumin

Dmitry Sumin

Head of Products

dmitry.sumin@abhandshake.comDmitry Sumin

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

Voice phishingFraud typesAnti-fraudCall Validation
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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.
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Dmitry Sumin

AB SMS Security: Prevent SMS Fraud Comprehensively with AI and Cross-Validation Technology

Product launchAnti-fraudNext-genReal time
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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.
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Dmitry Sumin

Test Call Generator: Virtual Efficiency for Real Call Testing

Security solutionProduct launchInnovationCyber security
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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.
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Dmitry Sumin

Unveiling CLI Spoofing Defenses: Your Calls, Secured!

Product launchCLI spoofingAnti-fraudReal time
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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.
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Dmitry Sumin

AB Handshake’s Solution to the Crisis of Artificially Inflated SMS Traffic

Anti-fraudEnterprisesSecurity solutionNext-gen
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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.
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Dmitry Sumin

Enterprise Telecom Fraud in Focus: Challenges and Solutions

Anti-fraudEnterprisesSecurity solutionCyber security
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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.
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Dmitry Sumin

Fraud Radar Facilitates a New Revenue-Saving Approach to Stopping Fraud

Anti-fraudOperatorsNext-genSecurity solution
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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.
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Dmitry Sumin

Strengthen your defenses against fraud FOR FREE WITH VOICE TRAFFIC CHECKUP

Anti-fraudCyber securitySecurity solutionProduct launch
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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.
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Dmitry Sumin

AB Handshake launches Flash Call Detector

AI ShieldFlash Call DetectorFlash callsProduct launch
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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.
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Dmitry Sumin

Cooperation – A paradigm shift for telecom fraud management systems

Fraud free communityCase studyCall ValidationWangiri
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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.
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Dmitry Sumin

AB Handshake Launches AI Shield

AI ShieldSystemProduct launchMachine learning
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AB Handshake Launches AI Shield

Anti-Fraud Solution Powered by Machine Learning
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Dmitry Sumin

Stop the Fraud, Stop the Churn

Customer churnOperatorsCall ValidationAnti-fraud
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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.
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Dmitry Sumin

Dmitry Sumin to Present at Telecom Fraud & Risk Management Forum Africa (TFRM)

Call ValidationHead of productsTFRMEvent
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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.
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Dmitry Sumin

Call Stretching & Short Stopping - Fraudsters Targeting Premium Rate Destinations

Call ValidationRegional fraudCall stretchingShort stopping
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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.
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Dmitry Sumin

Benefits of Joining the AB Handshake Community - Beyond fraud prevention

Call ValidationFraud free communityShort stoppingWangiri
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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!
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Dmitry Sumin

Fraud Management Paradigm Shift Webinar

CFCACall ValidationFraud free communityWebinar
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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.
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Dmitry Sumin

How Has COVID-19 Changed Fraud Patterns?

Voice phishingRobocallsCall ValidationCovid 19
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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'.
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Dmitry Sumin

Collective Immunity - A Vaccine for All Telecom Fraud

Anti-fraudCall ValidationFraud typesFraud free community
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Collective Immunity - A Vaccine for All Telecom Fraud

'Collective Immunity' - The answer to stopping telecommunications fraud
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Dmitry Sumin

Solving the robocall challenge

Vanilla+RobocallsCall ValidationMedia
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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.
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Dmitry Sumin

AB Handshake can solve the robocall issue once and for all

MediaMobile EuropeRobocallsCall Validation
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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.
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Dmitry Sumin

The Secret to Stopping Call Stretching Fraud: Enable a Real-Time Handshake between Operators

Call stretchingCapacityMediaCall Validation
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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.
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Dmitry Sumin

AB Handshake – not just a new FMS webinar

EventCall ValidationWebinarCFCA
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AB Handshake – not just a new FMS webinar

Voice fraud remains a big problem.
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Dmitry Sumin

Detecting Call Stretching and OTT Termination webinar supported by CFCA

WebinarCFCAOTT bypassCall stretching
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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."
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Dmitry Sumin

AB Handshake presented at FASG#19

FASG#19WebinarEventCall Validation
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AB Handshake presented at FASG#19

We were honored to speak at FASG #19 on March 2-4.
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Dmitry Sumin

Community: A new paradigm for voice traffic fraud protection

PartnershipCLI spoofingCall ValidationTelebix
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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….
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Dmitry Sumin

AB Handshake Free Trial

Call ValidationProduct launchAnti-fraudReal time
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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.
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Dmitry Sumin

Caller ID Spoofing Fraud Explained

Anti-fraudCLI spoofingCall ValidationFraud types
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Caller ID Spoofing Fraud Explained

Prevent Caller ID Spoofing. Protect from Fraud with AB Handshake.
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Dmitry Sumin

What is Call Short Stopping Fraud

Short stoppingCall ValidationFraud typesAnti-fraud
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What is Call Short Stopping Fraud

Short Stopping Prevention. Protect from Fraud with AB Handshake.
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Dmitry Sumin

Understanding and Preventing Call Stretching Fraud in Telecom

Call ValidationCall stretchingFraud typesAnti-fraud
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Understanding and Preventing Call Stretching Fraud in Telecom

Call Stretching Prevention. Protect from Fraud with AB Handshake.
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Dmitry Sumin

Wangiri 2.0 Fraud

Fraud typesWangiriAnti-fraudCall Validation
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Wangiri 2.0 Fraud

Wangiri 2.0 Detection & Prevention. Protect from Fraud with AB Handshake.
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Dmitry Sumin

PBX Hacking Fraud Explained

Call ValidationFraud typesAnti-fraud
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PBX Hacking Fraud Explained

PBX Hacking Prevention. Protect from Fraud with AB Handshake.
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Dmitry Sumin

Meet the other authors

Anna Potapova

Anna Potapova

Head of Strategic Partnerships

Anna Potapova is the Head of Strategic Partnerships at AB Handshake, where she leads multiple anti-fraud projects involving Tier-1 MNOs.

Read Anna's articles
Nadejda Papernaia

Nadejda Papernaia

CEO

Nadejda Papernaia is a versatile and experienced CEO in the telecom and tech industries. She is the founder of the AB Handshake Corporation – a global system of products and solutions that eradicates all types of voice and SMS fraud.

Read Nadejda's articles
Sergey Okhrimenko

Sergey Okhrimenko

CTO

Sergey is the inventor of the AB Handshake Call Validation technology and a global expert in fraud management and revenue assurance. He has over 20 years of experience in the telecom industry in sales, R&D, and operations and holds an MS in Electrical Engineering.

Read Sergey's articles
Iakov Maurov

Iakov Maurov

Director Of Business Development

Iakov Maurov is the Director of Business Development at AB Handshake, responsible for expanding market presence and creating strategic opportunities.

Read Iakov's articles
Oleg Pokrishchenko

Oleg Pokrishchenko

Chief of Onboarding and Support Operations

Read Oleg's articles
Shai Calev

Shai Calev

Business Development Manager

Risk Management professional – experienced in analysts team management, fraud prevention, revenue assurance, Business Development, presale, project management. 

Read Shai's articles