Sergey Okhrimenko

Sergey Okhrimenko

CTO

sergei.okhrimenko@abhandshake.comSergey Okhrimenko

About Sergey

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.

Under Sergey’s guidance AB Handshake developed Call Validation – an instant virtual 'handshake' between operators that stops fraud in real time with 100% accuracy. Coupled with AI Shield, a machine learning-powered tool, AB Handshake provides comprehensive protection from all fraudulent scenarios for all network types.

All articles by Sergey

Preventing voice fraud without blocking legitimate traffic: a new approach by AB Handshake

AI ShieldAnti-fraudCall ValidationCLI spoofing
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Preventing voice fraud without blocking legitimate traffic: a new approach by AB Handshake

Many telecom professionals and customers know that certain countries are blocked from receiving international calls. How did the voice fraud situation get so dire that operators started blocking entire country codes? Is there a way to stop Wangiri, PBX hacking, and other types of IRSF fraud without blocking legitimate voice traffic?
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Sergey Okhrimenko

Sergey Okhrimenko to Present at RAG New Orleans 2022

CTORAGEventCall Validation
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Sergey Okhrimenko to Present at RAG New Orleans 2022

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Sergey Okhrimenko

AB Handshake Featured on Mobile World Live Media Portal.

GSMAMobile World LiveMediaCollective immunity
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AB Handshake Featured on Mobile World Live Media Portal.

A new article about the AB Handshake solution has been published on the premier mobile industry media portal, Mobile World Live by GSMA.
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Sergey Okhrimenko

Who owns your call?

Call ValidationCapacityMediaFraud free community
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Who owns your call?

Have you ever thought of the question, "Who owns the call?"
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Sergey Okhrimenko

Higher the Traffic, Higher the Fraud - Telecom fraud prevention

Fraud free communityCall ValidationGLFAnti-fraud
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Higher the Traffic, Higher the Fraud - Telecom fraud prevention

In the case of telecommunications fraud, the scammers attack, take their profits and leave before they can be stopped. Many telecom operators know this story all too well.
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Sergey Okhrimenko

Telecom Fraud Prevention - The AB Handshake journey

CLI spoofingAnti-fraudCompany storyCall Validation
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Telecom Fraud Prevention - The AB Handshake journey

Happy clients mean a healthy business. In the telecom industry, guaranteed protection against telecom fraud is the best way to keep your clients happy.
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Sergey Okhrimenko

AB Handshake has joined the CFCA Trusted Calls Task Force Committee

CTOFraud free communityCFCAMembership
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AB Handshake has joined the CFCA Trusted Calls Task Force Committee

The global telecommunications market is constantly experiencing an increase in the number of robocalls and spoofing. In responding to this challenge, there is a clear need for trust among industry partners.
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Sergey Okhrimenko

New CommsRisk article concerning telco fraud issue

MediaAnti-fraudCall ValidationCommrisk
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New CommsRisk article concerning telco fraud issue

We would like to share with you the latest article "The Real Reasons Carriers Cannot Fix Fraud" published on Commsrisk.com.
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Sergey Okhrimenko

AB Handshake Is SWIFT for Telecoms

CommriskCEOCall ValidationMedia
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AB Handshake Is SWIFT for Telecoms

AB Handshake article at Commsrisk portal
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Sergey Okhrimenko

AB Handshake solution has been awarded at Risk Reward Awards 2020

Risk RewardAwardInnovationCall Validation
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AB Handshake solution has been awarded at Risk Reward Awards 2020

We are happy to announce that the AB Handshake solution has been recognised as the Innovation winner of the Risk Reward Awards.
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Sergey Okhrimenko

AB Handshake at the RAG Virtual Conference

RAGEventCTOCall Validation
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AB Handshake at the RAG Virtual Conference

The AB Handshake project is now well underway and our current goal is to build widespread awareness: not simply of our product, but rather of the massive problem of fraud that faces the entire industry.
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Sergey Okhrimenko

AB Handshake Solution

OperatorsReal timeDetection logicCall Validation
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AB Handshake Solution

AB Handshake enables the direct exchange of call information between originating & terminating operators in order to compare call details and identify fraud.
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Sergey Okhrimenko

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
Dmitry Sumin

Dmitry Sumin

Head of Products

Dmitry has over 15 years’ experience in international roaming, interconnect and fraud management.

Read Dmitry'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
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