Graphus is a cloud email security platform focused on anti-phishing protection, developed by Graphus and now owned by Kaseya. The product is in a transition phase, being succeeded by INKY (acquired by Kaseya) as its next-generation replacement. Graphus provides email security for organizations, with its core strength in anti-phishing detection. As of the published transition timeline, Graphus will reach end of sale on October 7, 2025, end of feature development in June 2026, end of support in December 2026, and full end of life in June 2027. Customers are being migrated to INKY, which builds on Graphus's anti-phishing foundation and adds capabilities including: - AI-driven inbound and internal mail protection against phishing, malware, spam, and impersonation - Account takeover protection using social graphing and sender profiling - Computer vision-based brand spoof and design impersonation detection - Zero-day malware protection for email attachments - Graymail filtering for low-priority messages - Email signature management - Generative AI intent analysis for scam and fraud detection (Pro tier) - DMARC monitoring for domain reputation (Pro tier) - Outbound email protection with DLP (Pro tier) - Email encryption (Pro tier) Graphus is available as a standalone product and as part of the Kaseya 365 User bundle. Existing customers may continue using Graphus until June 2027, with migration to INKY available from January 2026.