Draft:Red Sift

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Red Sift
Industry
  • Cybersecurity
  • Software
Founded2016
Founder
  • Rahul Powar
  • Randal Pinto
HeadquartersLondon, United Kingdom
Key people
Ivan Ristić
Products
  • Red Sift OnDMARC
  • Red Sift Brand Trust
  • Red Sift Certificates
  • Red Sift ASM
  • Red Sift Radar
ServicesDMARC, Lookalike domain detection, certificate monitoring, Attack Surface Management (ASM)
Websitehttps://redsift.com

Red Sift

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Red Sift is a cybersecurity company that provides email, domain, web and public key infrastructure (PKI) security services.[1] The company was founded in 2015 by Rahul Powar and Randal Pinto.[2] It headquarters are in London, United Kingdom with additional offices in Spain and the United States.[3][4][5]

History

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Red Sift was founded in 2015 in London by Rahul Powar and Randal Pinto. Powar and Pinto had previously worked together at Shazam and Appsmart (acquired by Reuters).[2] From 2016 the company was venture funded with additional funding rounds in 2019 and 2022.[6] To date, the company has raised $69.8 million with funding from Highland Europe, Sands Capital, MMC Ventures, In-Q-Tel, and others. [4]

In 2022, Red Sift acquired asset‑discovery startup Hardenize, founded by Ivan Ristić.[7]

Products

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Red Sift offers four cybersecurity SaaS products.

Red Sift OnDMARC

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In 2016 Red Sift launched Red Sift OnDMARC. OnDMARC provides management of email authentication protocols including DMARC, DKIM, SPF, MTA-STS and BIMI as well as SubdoMailing detection.[4][8]

Red Sift Brand Trust

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In 2022, Red Sift launched Brand Trust, originally launched as OnDOMAIN. Red Sift Brand Trust detects impersonating domains that can lead to lookalike attacks and typosquatting.[9]

Red Sift Certificates

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In 2024, Red Sift launched Red Sift Certificates. It provides automated certificate discovery, monitoring, and management of Public Key Infrastructure (PKI) assets.[10] In 2025, Let’s Encrypt (a major Certificate Authority) recommended Red Sift Certificates Lite for certificate monitoring after retiring its monitoring service.[11][12]

Red Sift ASM

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In 2024, Red Sift launched Red Sift ASM to monitors domains, subdomains, IPs, hosts, and cloud environments as for attack surface management. [7]

Artificial Intelligence

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In 2024, Red Sift launched Red Sift Radar, a large language model (LLM) that identifies security misconfigurations.[13] In 2025, the company launched the Red Sift Brand Trust AI Agent for review of lookalike domains to identify takedown candidates.[14]

Research

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Red Sift has published research on the global adoption of DMARC including studies ahead of[15] and following[16]Google & Yahoo's introduction of email authentication requirements for bulk senders.

Awards

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Red Sift was included in Deloitte’s 2023 EMEA Technology Fast 500 list.[17]

Partnerships

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Red Sift has partnerships with Cisco, Microsoft, Vircom and others.[14][18][19]

References

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  1. ^ "Red Sift adds protection against phishing, BEC, and brand abuse". CSO Online. Retrieved 2025-08-23.
  2. ^ a b O'Hear, Steve (2016-10-25). "Red Sift, a startup from ex-Shazam technical architect, wants to make your data work for you". TechCrunch. Retrieved 2025-07-15.
  3. ^ "Red Sift Raises $54M, Establishes U.S. Headquarters in Austin | Built In Austin". Built In. Retrieved 2025-07-15.
  4. ^ a b c Alspach, Kyle (2022-02-24). "Email security firm Red Sift adds domain protection, lands $54M". VentureBeat. Retrieved 2025-07-15.
  5. ^ "Red Sift Expands Into Spain with New Engineering Center to Drive Cybersecurity Innovation". Archived from the original on 2023-12-02. Retrieved 2025-08-23.
  6. ^ Dorbian, Iris (2016-10-25). "Red Sift picks up $2 mln seed". Venture Capital Journal. Retrieved 2025-07-16.
  7. ^ a b Keary, Tim (2022-10-13). "Why Red Sift acquisition shows attack surface management should include email". VentureBeat. Retrieved 2025-07-16.
  8. ^ Winder, Davey. "SubdoMailing Threat To New Gmail Security Rules". Forbes. Retrieved 2025-08-23.
  9. ^ Alspach, Kyle (2022-02-24). "Email security firm Red Sift adds domain protection, lands $54M". VentureBeat. Retrieved 2025-07-15.
  10. ^ Kobialka, Dan (2023-11-02). "Red Sift Delivers Cyber Resilience for MSPs". MSSP Alert. Retrieved 2025-07-15.
  11. ^ "Monitoring Service Options". letsencrypt.org. Retrieved 2025-07-15.
  12. ^ Purdy, Kevin (2025-02-05). "Let's Encrypt is ending expiration notice emails—for some very good reasons". Ars Technica. Retrieved 2025-07-21.
  13. ^ "Red Sift introduces Radar to help security teams address email and domain exposures". SiliconANGLE. 2024-10-01. Retrieved 2025-07-15.
  14. ^ a b "Red Sift expands Cisco partnership with addition of Brand Trust platform". SiliconANGLE. 2025-06-09. Retrieved 2025-07-15.
  15. ^ Winder, Davey. "You Have 14 Days To Comply — New Rules Impact 500 Million Outlook Users". Forbes. Retrieved 2025-08-23.
  16. ^ Winder, Davey. "Critical Gmail Security Update—2.5 Billion Users Get Attack Protection". Forbes. Retrieved 2025-08-23.
  17. ^ "Red Sift Recognized on Deloitte's EMEA Fast 500™ List » The Readable". thereadable.co. 2024-06-19. Retrieved 2025-07-15.
  18. ^ Desk, CIO Influence News (2022-04-06). "Red Sift Strengthens Email Security For Cybersecurity-First Organizations Hosted on Microsoft Azure". CIO Influence. Retrieved 2025-07-15. {{cite web}}: |last= has generic name (help)
  19. ^ Kobialka, Dan (2023-03-01). "Vircom, Red Sift Partner for Email Security for MSPs -". MSSP Alert. Retrieved 2025-07-15.