
Clean.io
Digital engagement security platform that helps businesses control the third party code that executes on their websites.
Date | Investors | Amount | Round |
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- | investor investor investor | €0.0 | round |
N/A | €0.0 | round | |
investor | €0.0 | round | |
investor investor investor investor | €0.0 | round | |
* | N/A | Acquisition | |
Total Funding | 000k |




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Founded in 2017 by Geoff Stupay, Seth Demsey, Valery Krasovsky, and Jay Crystal, clean.io established itself as a digital engagement security platform. Initially known as Clean Creative, the Baltimore-based company focused on protecting publishers, advertisers, and platforms from the threats of malvertising.
The firm's core business revolves around providing tools to control third-party code that executes on client websites, thereby safeguarding user experiences and brand reputations. Its primary product, cleanAD, utilizes patented behavioral analysis to detect and block malicious advertisements in real-time on the client side. This approach prevents harmful ads from affecting users while still ensuring advertisers are correctly charged for their impressions. The company later expanded its offerings with a tool specifically for e-commerce, designed to prevent issues like the injection of unauthorized discount codes at checkout.
Clean.io's client base primarily consists of online publishers and media companies aiming to protect their ad inventory, alongside e-commerce merchants seeking to prevent coupon abuse. The business operates on a security-as-a-service model, providing its technology to clients to preserve their digital revenue streams. The company experienced significant growth, securing a $2.5 million seed round in 2019 and a $5 million Series A in 2020.
In November 2022, clean.io was acquired by HUMAN Security, a global cybersecurity company. The acquisition was a strategic move to combine clean.io's client-side anti-malvertising capabilities with HUMAN's broader platform, which protects against bot attacks, fraud, and account abuse. Following the acquisition, the clean.io team was integrated into HUMAN, with co-founder and CEO Geoff Stupay taking on the role of Vice President of Media Strategy. The deal aimed to create a more comprehensive, end-to-end protection solution for the entire digital advertising ecosystem.
Keywords: malvertising protection, e-commerce fraud, digital engagement security, third-party code control, ad verification, client-side security, behavioral analysis, publisher protection, online advertising security, malicious code prevention, HUMAN Security acquisition, Geoff Stupay, ad tech, cybersecurity, revenue protection, brand safety, user experience security, coupon abuse prevention, digital media security, javascript security