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§ Private Profile · 900 Veterans Blvd Ste 230, Redwood City, California, 94063, United States
An organization with unknown operations, business model, and market focus. No public details are available about its activities.
Impermium is an organization for which comprehensive public details regarding its core operations, primary business model, and geographic headquarters are not readily available. The scope of its activities, including specific sectors or target customers, remains undisclosed, preventing a clear understanding of its market positioning. Furthermore, key financial metrics such as any reported funding rounds, valuation figures, or employee numbers have not been made public, making it difficult to assess the organization's scale or growth trajectory. The entity has not publicly identified any lead investors, significant customers, or key partners, nor has it disclosed its user base or any other operational metrics typically found in company profiles. Information concerning Impermium's founding year and the names of its founders is also not accessible through public records, limiting historical context.
Impermium has raised $9.0M across 2 funding rounds.
Impermium has raised $9.0M in total across 2 funding rounds.
Impermium has raised $9.0M across 2 funding rounds. Most recently, it raised $8.0M Series A in November 2011.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Nov 1, 2011 | $8M Series A | Andrew Miller | 1Flourish Capital, B Capital Group, Betaworks Ventures, Bowery Capital, Bullpen Capital, Dcvc (data Collective), Freestyle Capital, Kapor Capital, Khosla Ventures, Launch Capital, Lowercarbon Capital, ONE Planet Group, RRE Ventures, Howard Lindzon, SV Angel, Uncork Capital, Zinc, Roger Ehrenberg, Chamath Palihapitiya | Announced |
| Jun 1, 2011 | $1M Seed | — | B Capital Group, Betaworks Ventures, Bowery Capital, Bullpen Capital, Dcvc (data Collective), Freestyle Capital, Kapor Capital, Khosla Ventures, Launch Capital, Lowercarbon Capital, ONE Planet Group, RRE Ventures, Howard Lindzon, SV Angel, Uncork Capital, Zinc, Roger Ehrenberg, Accel, AOL Ventures, Archimedes Capital, CRV, Embarcadero Ventures, Greylock Partners, Morado Ventures | Announced |
Impermium has raised $9.0M in total across 2 funding rounds.
Impermium's investors include Andrew Miller, 1Flourish Capital, B Capital Group, Betaworks Ventures, Bowery Capital, Bullpen Capital, DCVC (Data Collective), Freestyle Capital, Kapor Capital, Khosla Ventures, Launch Capital, Lowercarbon Capital.
Impermium was a cybersecurity startup that developed anti-spam and account protection services for websites, protecting against threats like fraudulent registrations, login hijacking, malicious content, and social spam.[5] It served over 1.5 million sites worldwide, including Disqus, Livefyre, Pinterest, Squarespace, and Tumblr, by providing machine learning-based detection to secure user accounts and content.[5][7] The company solved the growing problem of automated cyber attacks on online platforms, enabling safer user interactions; it showed strong early growth through venture funding and client adoption before its acquisition by Google in 2014.[5]
Impermium was founded in 2010 in Redwood City, California, by Mark Risher, Vishwanath Ramarao, and Naveen Jamal, who had previously collaborated managing anti-spam systems at Yahoo! Mail.[5] The idea emerged from their hands-on experience combating sophisticated spam and abuse at scale, leading them to build a specialized platform using advanced machine learning for broader web protection.[5] Early traction came quickly via venture capital from top firms like Accel Partners, Greylock Partners, Highland Capital Partners, Morado Ventures, and Social+Capital Partnership, fueling expansion to protect major platforms.[5]
Impermium rode the early 2010s wave of social media proliferation, where explosive user growth amplified spam and abuse risks, demanding scalable, AI-driven defenses beyond basic filters.[5] Its timing was ideal amid rising botnets and automated attacks, filling a gap for platforms like Pinterest and Tumblr that lacked in-house expertise.[5] Market forces like increasing cybercrime sophistication and regulatory pressures for user safety favored its model, influencing the ecosystem by setting standards for ML-based abuse prevention later adopted by Google post-acquisition.[5] This acquisition underscored Impermium's role in consolidating cybersecurity innovations into Big Tech, enhancing global web trust.
Post-2014 Google acquisition, Impermium's technology likely integrated into Gmail, YouTube, and other services, evolving its anti-abuse capabilities amid rising AI threats like deepfakes and advanced phishing.[5] Trends like zero-trust architectures and generative AI will shape its legacy, pushing for proactive, adaptive defenses. Its influence endures through Google's scaled protections, potentially expanding to enterprise tools—cementing the startup's foundational impact on secure digital interactions, much like its origins in Yahoo's spam battles.