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Protected by Mediaocean represents a fundamental shift in ad verification.
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Read official press releases and announcements from Protected by Mediaocean.
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Our next-gen ad verification solutions are built for an evolving media landscape.
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Customized settings designed to put advertisers back in control
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Unmatched detection methodologies designed to proactively catch emerging threats and trends
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Protected by Mediaocean represents a fundamental shift in ad verification.

Unlike traditional vendors with rigid, one size fits all approaches, Protected puts control back in the hands of buyers and sellers who know their businesses best. Built on the principle that business is about calculated risks, Protected offers verification on a dial allowing advertisers to set thresholds that fuel performance, not fear. At the same time, publishers and platforms gain the transparency and protection needed to ensure clean supply and avoid unexpected deductions.

As part of the Mediaocean family alongside Prisma and Innovid, Protected draws on decades of media technology expertise to deliver customizable protection that adapts to each party’s unique risk tolerance and business goals. This isn’t about dictating right or wrong. It’s about empowering smarter decisions with the tools to optimize for sustainable growth across the ecosystem.

About Protected
About Protected

Shield with check

Revolutionizing ad verification

Protected by Mediaocean transforms ad verification with innovation, creating a more transparent, efficient, and effective digital advertising ecosystem.
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Part of the Mediaocean family

As a member of the Mediaocean family, we leverage global expertise in mission-critical media technology to deliver unparalleled solutions.
Action plan

Our approach

Fault-finding → Fostering excellence
Blind acceptance → Challenging norms
Advertiser accountability → Balanced relationships
Trophy award winning

Accreditations and certifications

We are MRC-accredited for display & video viewability and SIVT detection, TAG-certified against ad fraud, and registered with IAB Europe & IAB Tech Lab.

Key executives

Asaf Greiner
Asaf Greiner
Founder & CEO
Asaf Greiner
Asaf Greiner
Founder & CEO

Asaf Greiner, founder and CEO, brings extensive management and product expertise to his role. Previously VP of Products at Cyren (Nasdaq: CYRN),Asaf has a strong entrepreneurial background, having co-founded Aduva (acquired by Sun/Oracle) and beeFENCE, a pioneering company in botnet defense. With an MBA from IDC, Asaf has consistently driven innovation in cybersecurity and ad verification. 

His leadership at Protected builds on his track record of successful product launches and company growth in the technology sector.

View on LinkedIn

Zac Sadan
Zac Sadan
Chief Technology Officer
Zac Sadan
Zac Sadan
Chief Technology Officer

As CTO, Zac Sadan leverages his expertise in information and reputation systems. Formerly Chief Scientist at Cyren (Nasdaq: CYRN), Zac has held key research and innovation roles in the security industry since 1999. He holds a Ph.D. in Information Systems from Bar-Ilan University, where he also serves as a Senior Lecturer. 

Zac’s career includes co-founding Protected Media (acquired by Flashtalking/Mediaocean), contributing significantly to advancements in cyber-security and information systems.

View on LinkedIn

Sara Maskivish
Sara Maskivish
SVP, Market Enablement
Sara Maskivish
Sara Maskivish
SVP, Market Enablement

Sara Maskivish joined Flashtalking in 2019 as VP of Client Success, and recently transitioned to the Protected team to lead new go-to-market strategies. Sara has a proven record of helping large advertisers optimize their cross-platform digital investments through data-driven insights. 

Her previous role as SVP of Global Client Delivery at Signal (acquired by Transunion in 2020) and experience in agency and brand marketing at PetSmart have honed her skills in scaling SaaS solutions for Fortune 500 clients.

View on LinkedIn

Amichai Zuntz
Amichai Zuntz
VP, Sales & Business Development
Amichai Zuntz
Amichai Zuntz
VP, Sales & Business Development

View on LinkedIn

Guido Juliano
Guido Juliano
VP, Operations
Guido Juliano
Guido Juliano
VP, Operations

View on LinkedIn

Asaf Greiner
Asaf Greiner
Founder & CEO
Asaf Greiner
Asaf Greiner
Founder & CEO

Asaf Greiner, founder and CEO, brings extensive management and product expertise to his role. Previously VP of Products at Cyren (Nasdaq: CYRN),Asaf has a strong entrepreneurial background, having co-founded Aduva (acquired by Sun/Oracle) and beeFENCE, a pioneering company in botnet defense. With an MBA from IDC, Asaf has consistently driven innovation in cybersecurity and ad verification. 

His leadership at Protected builds on his track record of successful product launches and company growth in the technology sector.

View on LinkedIn

Zac Sadan
Zac Sadan
Chief Technology Officer
Zac Sadan
Zac Sadan
Chief Technology Officer

As CTO, Zac Sadan leverages his expertise in information and reputation systems. Formerly Chief Scientist at Cyren (Nasdaq: CYRN), Zac has held key research and innovation roles in the security industry since 1999. He holds a Ph.D. in Information Systems from Bar-Ilan University, where he also serves as a Senior Lecturer. 

Zac’s career includes co-founding Protected Media (acquired by Flashtalking/Mediaocean), contributing significantly to advancements in cyber-security and information systems.

View on LinkedIn

Sara Maskivish
Sara Maskivish
SVP, Market Enablement
Sara Maskivish
Sara Maskivish
SVP, Market Enablement

Sara Maskivish joined Flashtalking in 2019 as VP of Client Success, and recently transitioned to the Protected team to lead new go-to-market strategies. Sara has a proven record of helping large advertisers optimize their cross-platform digital investments through data-driven insights. 

Her previous role as SVP of Global Client Delivery at Signal (acquired by Transunion in 2020) and experience in agency and brand marketing at PetSmart have honed her skills in scaling SaaS solutions for Fortune 500 clients.

View on LinkedIn

Amichai Zuntz
Amichai Zuntz
VP, Sales & Business Development
Amichai Zuntz
Amichai Zuntz
VP, Sales & Business Development

View on LinkedIn

Guido Juliano
Guido Juliano
VP, Operations
Guido Juliano
Guido Juliano
VP, Operations

View on LinkedIn

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