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 proactive security across email, web and PKI. Its products cover email authentication and DMARC management (OnDMARC), brand protection and domain monitoring (Brand Trust), attack surface management, SSL/TLS certificate management, and threat intelligence (Radar), along with free security checker tools. Its products are delivered through the Red Sift Pulse Platform and serve organisations across EMEA, APAC and the US.
Location
Founded
Employees
Legal name
Focus areas
Languages
Services & products
Security domains
How they deliver
Products
Red Sift OnDMARC
Email security
Cloud-based DMARC, DKIM, SPF and MTA-STS management platform that guides organisations to full DMARC enforcement.
Red Sift Brand Trust
Brand protection
Domain security monitoring, certificate management and threat intelligence to protect brand integrity against lookalike attacks.
Red Sift ASM
Attack surface management
Discovers, monitors and assesses external-facing assets, including vulnerability scanning and continuous monitoring.
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 Investigate
Email security
Free domain and email security investigation tool analysing DNS, certificates and configuration risks.
Red Sift Radar
Threat intelligence
Threat intelligence and security monitoring solution with behavioural analysis and real-time monitoring.
Red Sift Radar Lite
Email security
Free security scan checking common email and domain configurations for misconfigurations and risks.
Red Sift Pulse Platform
Security platform
Platform powering Red Sift's email, web and PKI security products.
BIMI Checker
Email security
Free tool to validate Brand Indicators for Message Identification (BIMI) records.
SPF Checker
Email security
Free tool to verify Sender Policy Framework (SPF) configuration and prevent email spoofing.
SubdoMailing Checker
Email security
Free subdomain hijacking and email security checker.
Industries served
Compliance & partners
Compliance frameworks
Credentials & affiliations
Awards
Megabuyte Emerging Stars 2025
Cybersecurity Excellence Award for OnDMARC
People
Management & team (3)
Other cybersecurity companies in United Kingdom
View all3B Data Security
Incident Response, Digital Forensics +8 more
Asset Guardian
OT/ICS Security, GRC & Compliance +2 more
Obrela
Managed Security, Detection & Response +10 more
4ARMED
Penetration Testing, Application Security +3 more
Darktrace
Detection & Response, Network Security +13 more
AppCheck
Application Security, Network Security +2 more