Dmitry Sumin

    Dmitry Sumin

    Head of Products

    dmitry.sumin@abhandshake.comDmitry Sumin

    Education

    Lomonosov Moscow State University (MSU)  
    Specialist, History 
    2001 — 2006

    Expertise

    Telecom Fraud Prevention | Customer protection | Call and SMS Verification | AI | Tech | Product management

    About Dmitry

    A graduate of the Moscow State University, 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

    Unveiling CLI Spoofing Defenses: Your Calls, Secured!

    Product launchCLI spoofingAnti-fraudReal time
    img

    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.
    img
    Dmitry Sumin

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

    Anti-fraudEnterprisesSecurity solutionNext-gen
    img

    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.
    img
    Dmitry Sumin

    Enterprise Telecom Fraud in Focus: Challenges and Solutions

    Anti-fraudEnterprisesSecurity solutionCyber security
    img

    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.
    img
    Dmitry Sumin

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

    Anti-fraudOperatorsNext-genSecurity solution
    img

    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.
    img
    Dmitry Sumin

    Strengthen your defenses against fraud FOR FREE WITH VOICE TRAFFIC CHECKUP

    Anti-fraudCyber securitySecurity solutionProduct launch
    img

    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.
    img
    Dmitry Sumin

    AB Handshake launches Flash Call Detector

    Flash Call DetectorFlash callsAI ShieldProduct launch
    img

    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.
    img
    Dmitry Sumin

    Cooperation – A paradigm shift for telecom fraud management systems

    Fraud free communityCall ValidationWangiriCase study
    img

    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.
    img
    Dmitry Sumin

    AB Handshake Launches AI Shield

    SystemAI ShieldProduct launchMachine learning
    img

    AB Handshake Launches AI Shield

    Anti-Fraud Solution Powered by Machine Learning
    img
    Dmitry Sumin

    Stop the Fraud, Stop the Churn

    Anti-fraudCall ValidationCustomer churnOperators
    img

    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.
    img
    Dmitry Sumin

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

    TFRMHead of productsEventCall Validation
    img

    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.
    img
    Dmitry Sumin

    Call Stretching & Short Stopping - Fraudsters Targeting Premium Rate Destinations

    Regional fraudCall stretchingShort stoppingCall Validation
    img

    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.
    img
    Dmitry Sumin

    Benefits of Joining the AB Handshake Community - Beyond fraud prevention

    WangiriShort stoppingCall ValidationFraud free community
    img

    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!
    img
    Dmitry Sumin

    Fraud Management Paradigm Shift Webinar

    Call ValidationCFCAFraud free communityWebinar
    img

    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.
    img
    Dmitry Sumin

    How Has COVID-19 Changed Fraud Patterns?

    Call ValidationRobocallsCovid 19Voice phishing
    img

    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'.
    img
    Dmitry Sumin

    Collective Immunity - A Vaccine for All Telecom Fraud

    Call ValidationFraud typesFraud free communityAnti-fraud
    img

    Collective Immunity - A Vaccine for All Telecom Fraud

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

    Solving the robocall challenge

    MediaRobocallsCall ValidationVanilla+
    img

    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.
    img
    Dmitry Sumin

    AB Handshake can solve the robocall issue once and for all

    MediaRobocallsCall ValidationMobile Europe
    img

    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.
    img
    Dmitry Sumin

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

    CapacityCall ValidationMediaCall stretching
    img

    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.
    img
    Dmitry Sumin

    AB Handshake – not just a new FMS webinar

    WebinarCall ValidationEventCFCA
    img

    AB Handshake – not just a new FMS webinar

    Voice fraud remains a big problem.
    img
    Dmitry Sumin

    Detecting Call Stretching and OTT Termination webinar supported by CFCA

    WebinarCall stretchingCFCAOTT bypass
    img

    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."
    img
    Dmitry Sumin

    AB Handshake presented at FASG#19

    FASG#19WebinarCall ValidationEvent
    img

    AB Handshake presented at FASG#19

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

    Community: A new paradigm for voice traffic fraud protection

    Call ValidationPartnershipCLI spoofingTelebix
    img

    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….
    img
    Dmitry Sumin

    AB Handshake Free Trial

    Anti-fraudProduct launchReal timeCall Validation
    img

    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.
    img
    Dmitry Sumin

    Robocall Fraud

    RobocallsFraud typesReal timeAnti-fraudCall Validation
    img

    Robocall Fraud

    Robocall Mitigation. Protect From Fraud With AB Handshake.
    img
    Dmitry Sumin

    Wangiri Fraud

    Fraud typesAnti-fraudCall ValidationWangiri
    img

    Wangiri Fraud

    Wangiri Fraud Detection and Prevention. Protect From Fraud With AB Handshake.
    img
    Dmitry Sumin

    CLI Spoofing Fraud

    CLI spoofingAnti-fraudCall ValidationFraud types
    img

    CLI Spoofing Fraud

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

    Short Stopping Fraud

    Anti-fraudCall ValidationShort stoppingFraud types
    img

    Short Stopping Fraud

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

    Call Stretching Fraud

    Anti-fraudCall ValidationFraud typesCall stretching
    img

    Call Stretching Fraud

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

    Interconnect Bypass (SIM Box Fraud)

    Fraud typesInterconnect bypassSim boxAnti-fraudCall Validation
    img

    Interconnect Bypass (SIM Box Fraud)

    SIM Box Detection & Prevention. Protect from Fraud with AB Handshake.
    img
    Dmitry Sumin

    Wangiri 2.0 Fraud

    Anti-fraudCall ValidationWangiriFraud types
    img

    Wangiri 2.0 Fraud

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

    PBX Hacking

    Fraud typesAnti-fraudCall Validation
    img

    PBX Hacking

    PBX Hacking Prevention. Protect from Fraud with AB Handshake.
    img
    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