Hardenize

Red Sift is a cybersecurity company that helps security and IT teams protect email, domains, websites, and public-facing digital assets. Trusted by more than 1,500 teams worldwide, the company focuses on proactive security and making essential internet protocols easier to adopt and manage. Its solutions support email authentication standards including DMARC, SPF, and DKIM, as well as TLS, helping organizations reduce spoofing, phishing, misconfiguration, and other risks to their online presence.

Red Sift’s product portfolio includes OnDMARC, which helps organizations identify email senders, improve authentication, and progress toward DMARC enforcement. Brand Trust supports protection against brand impersonation, including lookalike domains and phishing websites. The Red Sift Platform also offers automated investigation and problem-solving capabilities, while Radar Lite provides free, fast security scans and Radar Pro offers automated investigation. Red Sift also provides free tools for assessing DNS security, comparing DMARC configurations, and reviewing overall security posture. Its customers range from international businesses and financial services firms to charities, retailers, and media organizations, with support available to managed service providers and partners.