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ID Agent Graphus is a commercial anti-phishing tool by ID Agent. GreatHorn Mailbox Intelligence is a commercial anti-phishing tool by GreatHorn. Compare features, ratings, integrations, and community reviews side by side to find the best anti-phishing fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Security teams at startups and SMBs with Microsoft 365 or Google Workspace will find ID Agent Graphus worth the deployment because its TrustGraph AI catches social engineering attacks that signature-based filters routinely miss, and the one-click reporting loop turns employees into a second detection layer rather than just targets. The API-based deployment means no email rerouting complexity, which matters for resource-constrained teams. Skip this if your organization needs advanced post-breach forensics or recovery workflows; Graphus prioritizes detection and quarantine over incident response depth.
GreatHorn Mailbox Intelligence
Teams running Microsoft 365 or Google Workspace who need users to actually catch phishing will find GreatHorn Mailbox Intelligence worthwhile, because the visual sender indicators and on-click URL analysis force friction into the attack chain where it matters most. The tool scores across all three NIST Detect and Awareness categories, with particular strength in DE.CM continuous monitoring and real-time risk assessment that surfaces threats before the user opens them. Skip this if your organization has already deployed a mature endpoint detection layer and expects email security to handle lateral movement detection; GreatHorn prioritizes the user reporting loop and initial threat identification, not forensic analysis of compromise.
AI-powered anti-phishing platform for Microsoft 365 & Google Workspace.
Email security tool empowering users to identify & report phishing threats
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Common questions about comparing ID Agent Graphus vs GreatHorn Mailbox Intelligence for your anti-phishing needs.
ID Agent Graphus: AI-powered anti-phishing platform for Microsoft 365 & Google Workspace. built by ID Agent. headquartered in United States. Core capabilities include AI-based detection and quarantine of malicious emails via TrustGraph patented technology, EmployeeShield interactive email warning banners with one-click phishing reporting or safe-marking, Phish911 user phishing reporting mechanism for IT review..
GreatHorn Mailbox Intelligence: Email security tool empowering users to identify & report phishing threats. built by GreatHorn. headquartered in United States. Core capabilities include Visual sender and domain trustworthiness indicators, In-email banner notifications for suspicious messages, User-initiated phishing reporting capabilities..
Both serve the Anti-Phishing market but differ in approach, feature depth, and target audience.
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