CISO Tribune

Vendor comparison · 2 companies

Overwatch vs Red Sift

Overwatch sells a system that runs cyber, fraud, brand and merchant risk, with AI agents handling collection and the first pass of every investigation. Red Sift helps security and IT teams embrace the security protocols that keep the internet safe, such as DMARC, SPF, DKIM and TLS. CISO Tribune files both under Digital risk protection. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Overwatch
  • Red Sift
Overwatch vs Red Sift: Products, Customers and Funding Compared
OverwatchOverwatch sells a system that runs cyber, fraud, brand and merchant risk, with AI agents handling collection and the first pass of every investigation.overwatchdata.aiRed SiftRed Sift helps security and IT teams embrace the security protocols that keep the internet safe, such as DMARC, SPF, DKIM and TLS.redsift.com
What it sells
  • Investigations[6]AI agents take each signal to an evidence package, and analysts take the cases that need judgment.
  • Red Sift OnDMARC[2][9]Email authentication product for DMARC enforcement.
Categories
Headquarters
Not stated on its pagesLondon, United Kingdom[5][6]
Founded
Not stated on its pages2015[3]
Ownership and funding
Not stated on its pagesPrivately held[2][4][15]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • October 19, 2026Overwatch Data announced a $15 million Series A led by Mouro Capital, with Visa Ventures and Capital One Ventures participating.[11]
  • October 21, 2026Red Sift notified customers with potentially affected hosts after scanning the Hardenize customer base for PHP-backed hosts, following the PHP security fixes.[18]
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 4, 2026[15]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, Overwatch sells mainly to cyber, fraud and risk teams. Overwatch describes card networks and acquirers as vetting portfolios of merchant descriptors for transaction laundering, prohibited content and shell storefronts. Overwatch names customers in finance, fintech and media. For executive protection, Overwatch says alerts go to whoever the customer nominates, which in most deployments is corporate security. Overwatch says it turns its understanding of the criminal underground into investigations and risk decisions for fraud and security teams.From its own pages, the company sells mainly to security and IT teams that want to adopt protocols such as DMARC, SPF, DKIM and TLS. Save the Children also appears as a customer story for OnDMARC. The about page says the company works across EMEA, APAC and the US.
Last verified
October 26, 2026September 27, 2026

Where they overlap

  • Overwatch and Red Sift are both filed under Digital risk protection.

Where they differ, field by field

  • Overwatch's primary category is Threat intelligence; Red Sift's is Email authentication and DMARC.
  • Overwatch is also filed under Fraud prevention. Red Sift is also filed under External attack surface management and Machine identity and PKI.
  • Overwatch lists Investigations. Red Sift lists Red Sift OnDMARC.
  • Red Sift is headquartered in London, United Kingdom.
  • Red Sift was founded in 2015.
  • Red Sift is privately held.

What it sells: Overwatch

What Investigations does[6]
Overwatch agents follow the actor, resolve connected infrastructure, pair exposed data with breach records and check what has been seen before. Findings can be assigned to individuals, given a status and commented on from first signal to close. Sources consulted, evidence found, connected entities and a verdict are attached to every finding.

What it sells: Red Sift

What Red Sift OnDMARC does[2][9]
Red Sift OnDMARC gives instant visibility into a domain's email security posture and a clear path to DMARC enforcement. It lets customers configure SPF, DKIM, DMARC, BIMI and MTA-STS in one place. Red Sift says it helps organizations reach full DMARC enforcement in just 6 to 8 weeks.

Questions about Overwatch and Red Sift

What do Overwatch and Red Sift sell?
Overwatch sells Investigations. Red Sift sells Red Sift OnDMARC.
Are Overwatch and Red Sift in the same category?
They share Digital risk protection. Overwatch's primary category is Threat intelligence and Red Sift's is Email authentication and DMARC.
Where are Overwatch and Red Sift headquartered?
Red Sift is headquartered in London, United Kingdom.
When were Overwatch and Red Sift founded?
Red Sift was founded in 2015.
Who owns Overwatch and Red Sift?
Red Sift is privately held.
Who are Overwatch and Red Sift sold to?
From its own pages, Overwatch sells mainly to cyber, fraud and risk teams. From its own pages, the company sells mainly to security and IT teams that want to adopt protocols such as DMARC, SPF, DKIM and TLS.
What have Overwatch and Red Sift announced recently?
October 19, 2026: Overwatch Data announced a $15 million Series A led by Mouro Capital, with Visa Ventures and Capital One Ventures participating. October 21, 2026: Red Sift notified customers with potentially affected hosts after scanning the Hardenize customer base for PHP-backed hosts, following the PHP security fixes.

About Overwatch

Overwatch sells a system that runs cyber, fraud, brand and merchant risk, with AI agents handling collection and the first pass of every investigation. Overwatch sells AI-native threat intelligence and risk operations for cyber, fraud and risk teams. Overwatch says threats arrive from every direction, including compromised accounts, fraud patterns and fake merchant applications.[1][2][3]

Overwatch collects continuously across the criminal underground, markets, leak sites, forums and channels where fraudsters and threat actors stage. Overwatch uses classifiers and anomaly detection to turn a constant stream of raw activity into candidate signal. Overwatch collection runs continuously across underground forums, marketplaces, leak sites and messaging channels, including non-English communities. Overwatch agents follow the actor, resolve connected infrastructure, pair exposed data with breach records and check what has been seen before. Overwatch attaches sources consulted, evidence found, connected entities and a verdict to every finding.[1][3][5][6]

Overwatch analysts work the hard cases by hand, including leads found through human collection where stolen data and access are sold. Overwatch analysts take the hard cases and teach the agents what to look for next. Overwatch delivers validated findings into SIEM, SOAR, case management and executive briefings. Overwatch findings can be assigned to individuals, given a status and commented on for each case from first signal to close. Overwatch delivers email and SMS alerts, Slack, API, and SIEM and case management integrations. Overwatch offers monitoring mapped to a customer's assets, vendors and business units, with automated alerts tuned to priorities.[1][2][3][4][5][6]

Overwatch cyber threat intelligence covers dark web markets, ransomware leak sites and vulnerability chatter. Overwatch offers automated merchant review and KYB, including fraud review and card network compliance checks. Overwatch brand protection addresses impersonation, lookalike domains and spoofed storefronts aimed at a brand, with takedown signals routed to the right team. Overwatch addresses threats against executives and VIPs that cross into the physical world, including risks tied to events and facilities. Overwatch offers continuous monitoring for vendor and supply chain compromise.[4]

Overwatch collects the tools, methods and stolen data circulating in fraud channels and works out which of it points at the customer. Overwatch fraud collection includes image-based material such as receipts, balance screenshots and phishing kits. Overwatch agents verify listings against issuer records, map seller aliases across channels and pair compromised data with the customer base. Overwatch routes fraud findings to fraud operations with the evidence attached, including card reissue lists and prioritized actions. Overwatch brand protection watches newly registered domains, app stores, social platforms and the channels where scam kits are traded. Overwatch agents confirm the impersonation, trace hosting and registration, capture evidence and assess reach. Overwatch assembles the evidence package and routes it to a takedown provider where a customer uses one. Overwatch monitors for threats against executives, board members and public figures, including exposed personal data, coordinated harassment and threats tied to an event, a facility or a trip. Overwatch routes executive escalations with evidence attached to corporate security, the protective detail or law enforcement. Overwatch collection covers channels it has legitimate access to, including invite-based fraud and harassment channels.[4][7][8]

Overwatch describes card networks and acquirers as facing portfolios of merchant descriptors to vet for transaction laundering, prohibited content and shell storefronts. Overwatch merchant agents inspect the merchant and its policy pages, examine hosting and registration signals, trace the checkout and payment flow, pull external reputation, and output a risk verdict. Overwatch merchant risk returns a written verdict with risk indicators and confidence into the review queue or via API. Overwatch merchant reviews map to a customer's categories and MCC structure.[10]

Overwatch is the system Arjun Bisen and Zara Perumal wanted after careers at Stripe, Google and Twitter. Overwatch has raised a $15 million Series A, led by Mouro Capital with Visa Ventures and Capital One Ventures. Overwatch says the funding lets it extend its agents across more of the risk lifecycle, from monitoring and investigations in the criminal underground to merchant onboarding and due diligence. Overwatch names Visa among its customers, alongside 40+ others in finance, fintech and media.[2][3][4][5][6]

Overwatch on the record

Sources

Overwatch full record

  1. [1]overwatchdata.aiOverwatch · overwatchdata.ai · undated page, accessed October 26, 2026 · Tier A
  2. [2]About Overwatch Data: founders, team & missionOverwatch · undated page, accessed November 10, 2026 · Tier A
  3. [3]AI-native threat intelligence & risk operations | Overwatch DataOverwatch · undated page, accessed November 10, 2026 · Tier A
  4. [4]AI threat intelligence platform | Overwatch DataOverwatch · undated page, accessed November 10, 2026 · Tier A
  5. [5]Cyber threat intelligence | Overwatch DataOverwatch · undated page, accessed November 10, 2026 · Tier A
  6. [6]AI agents for investigations | Overwatch DataOverwatch · undated page, accessed November 10, 2026 · Tier A
  7. [7]Fraud intelligence | Overwatch DataOverwatch · undated page, accessed November 10, 2026 · Tier A
  8. [8]Brand protection | Overwatch DataOverwatch · undated page, accessed November 10, 2026 · Tier A
  9. [9]VIP & executive protection | Overwatch DataOverwatch · undated page, accessed November 10, 2026 · Tier A
  10. [10]Merchant risk & KYB automation | Overwatch DataOverwatch · undated page, accessed November 10, 2026 · Tier A
  11. [11]We raised $15 million to help risk teams keep pace with AI-scale attacks | Overwatch DataOverwatch Data · published October 19, 2026 · Tier A

Red Sift full record

  1. [1]redsift.comRed Sift · redsift.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]The Red Sift Pulse PlatformRed Sift · undated page, accessed September 27, 2026 · Tier A
  3. [3]Cloud email security brand protection startup red sift rises 54mSiliconANGLE · siliconangle.com · published February 24, 2022 · Tier B
  4. [4]6977295001Austin American-Statesman · statesman.com · published March 4, 2022 · Tier B
  5. [5]Red sift joins future fifty 2026 cohort unveiled by chancellor at downing streetRed Sift via EIN Presswire · thestarpress.com · published March 19, 2026 · Tier B
  6. [6]Red siftThe Wealth Mosaic · thewealthmosaic.com · undated page, accessed September 27, 2026 · Tier C
  7. [7]Red Sift | Creating a Fundamentally Safer Internet with Proactive SecurityRed Sift · undated page, accessed October 27, 2026 · Tier A
  8. [8]Proactive, intelligent security for every organization.Red Sift · undated page, accessed October 27, 2026 · Tier A
  9. [9]Red Sift OnDMARC | Stop Email Spoofing FastRed Sift · undated page, accessed October 27, 2026 · Tier A
  10. [10]OnDMARC Pricing | Plans for SMB to Enterprise + Free TrialRed Sift · undated page, accessed October 27, 2026 · Tier A
  11. [11]Stop lookalike domains before they damage your brandRed Sift · undated page, accessed October 27, 2026 · Tier A
  12. [12]Bird & Bird strengthens trust in legal communications with layered email and domain protectionRed Sift · undated page, accessed October 27, 2026 · Tier A
  13. [13]Find and fix issues 10x faster with Red Sift RadarRed Sift · undated page, accessed October 27, 2026 · Tier A
  14. [14]Red Sift Certificates Lite | Free Certificate MonitoringRed Sift · undated page, accessed October 27, 2026 · Tier A
  15. [15]Red Sift OnDMARC Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 27, 2026 · Tier C
  16. [16]How to Price and Package DMARC Services for Your MSP | Red SiftRed Sift · undated page, accessed November 4, 2026 · Tier A
  17. [17]DMARC solutions for healthcare organizationsRed Sift · undated page, accessed November 4, 2026 · Tier A
  18. [18]Critical PHP vulnerabilities CVE-2026-109618 and CVE-2026-109619 | Red SiftRed Sift · published October 21, 2026 · Tier A

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