Red Sift
Red Sift Limited
London, Greater London, United Kingdom
About
Founded in 2015, Red Sift is a cybersecurity company based in London, United Kingdom working in email security, threat intelligence.
Red Sift is a cybersecurity company focused on email, web and PKI security. Its products centre on helping organisations implement and enforce DMARC email authentication, manage SPF, DKIM and BIMI, monitor DNS for misconfigurations, and detect and take down lookalike domains and brand impersonation. The company also offers attack surface management, SSL/TLS certificate monitoring, threat intelligence, and free security checkers for domain and email configuration. Its customers include enterprises, non-profits and law firms. The company operates across EMEA, APAC and the US, and is headquartered in London.
Location
Founded
Employees
Legal name
Focus areas
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Services & products
Security domains
How they deliver
Products
Red Sift OnDMARC
Email security
Cloud-based DMARC, DKIM, SPF, BIMI and MTA-STS management platform that guides organisations to DMARC enforcement, with DNS Guardian monitoring for DNS misconfigurations.
Red Sift Brand Trust
Brand protection
AI-driven detection, risk scoring and takedown of lookalike domains, brand abuse and impersonating social profiles.
Red Sift ASM
Attack surface management
Discovery, monitoring and vulnerability assessment of external-facing assets.
Red Sift Certificates
Certificate management
SSL/TLS certificate discovery, expiration tracking and vulnerability assessment.
Red Sift Certificates Lite
Certificate management
Free certificate monitoring for up to 250 certificates with 7-day email alerts.
Red Sift Radar
Threat intelligence
Threat intelligence and security monitoring for detecting and responding to cyber threats.
Red Sift Radar Lite
Email security
Free security scan highlighting common email and domain misconfigurations and risks.
Red Sift Investigate
Email security
Free domain and email security investigation tool analysing DNS, certificates and configuration risks.
BIMI Checker
Email security
Free tool to validate BIMI record implementation.
SPF Checker
Email security
Free tool to validate SPF record configuration.
SubdoMailing Checker
Email security
Free checker for subdomain hijacking and email security issues.
Red Sift Pulse Platform
Security platform
Platform underpinning the Red Sift product suite.
Customers
Industries served
Compliance & partners
Compliance frameworks
Credentials & affiliations
Awards
Best Performing Company - Security & Infrastructure, Megabuyte Emerging Stars 2025
Cybersecurity Excellence Award for OnDMARC
People
Management & team (7)
+ 3 more
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