KnowBe4 PhishER Plus vs ReliaQuest GreyMatter Phishing Analyzer: Side-by-Side Comparison (2026)

KnowBe4 PhishER Plus: Automated phishing incident response platform with threat categorization & removal. built by KnowBe4. Core capabilities include Automated threat categorization of reported emails, PhishRIP - one-click removal of malicious emails from all mailboxes, Global PhishRIP - crowdsourced threat removal across organizations..

ReliaQuest GreyMatter Phishing Analyzer: Automates phishing email analysis, remediation, and user response via AI. built by ReliaQuest. Core capabilities include AI-driven phishing email analysis with sentiment analysis and historical data comparison, Automated email purging across all mailboxes, Malicious link and file blocking at network level..

Both serve the Anti-Phishing market but differ in approach, feature depth, and target audience.

KnowBe4 PhishER Plus differentiates with Automated threat categorization of reported emails, PhishRIP - one-click removal of malicious emails from all mailboxes, Global PhishRIP - crowdsourced threat removal across organizations. ReliaQuest GreyMatter Phishing Analyzer differentiates with AI-driven phishing email analysis with sentiment analysis and historical data comparison, Automated email purging across all mailboxes, Malicious link and file blocking at network level.

KnowBe4 PhishER Plus is developed by KnowBe4. ReliaQuest GreyMatter Phishing Analyzer is developed by ReliaQuest. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

KnowBe4 PhishER Plus and ReliaQuest GreyMatter Phishing Analyzer serve similar Anti-Phishing use cases: both are Anti-Phishing tools. Review the feature comparison above to determine which fits your requirements.