Microsoft Security Copilot Phishing Triage Agent vs ReliaQuest GreyMatter Agentic Teammates

Quick answer

Microsoft Security Copilot Phishing Triage Agent (Defender) (Microsoft) and ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government) (ReliaQuest) are both listed in the Security category of Agent Index.

They share no framework tags in our dataset.

This is not a ranking.

Microsoft Security Copilot Phishing Triage Agent (Defender) (Microsoft) and ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government) (ReliaQuest) are both listed in the Security category of Agent Index. They share no framework tags in our dataset. Only ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government) is tagged for FedRAMP, TX-RAMP.

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Field Microsoft Security Copilot Phishing Triage Agent (Defender)ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government)
Vendor MicrosoftReliaQuest
HQ United States · North AmericaUnited States · North America
Primary category SecuritySecurity
Also listed in SecuritySecurity, Compliance
Summary Security Copilot agent in Microsoft Defender that autonomously triages user-reported phishing, resolves false positives and explains each verdict.Agentic AI security operations platform whose six persona-based Agentic Teammates investigate and triage alerts and execute approved containment actions; GreyMatter for Government is FedRAMP Authorized (Moderate).
Frameworks (vendor-stated) —FedRAMP, TX-RAMP
FedRAMP (Marketplace, listing scope) —GreyMatter for Government · FedRAMP Authorized · FR2428740308 · Moderate · authorized 2026-07-08
Frameworks (vendor-claimed) —FedRAMP, TX-RAMP, FISMA, CMMC, SOC 2, ISO 27001, HIPAA, PCI DSS
Capabilities / tasks phishing triage, email security, security operations, alert triage, incident response, threat detectionsecurity operations, alert triage, incident response, threat detection, government compliance
Pricing (as published) No standalone price. Requires Microsoft Defender for Office 365 Plan 2 plus Security Copilot security compute units (SCUs). Microsoft says Security Copilot agents are also made available to Microsoft 365 E5 customers. Check Microsoft's Security Copilot pricing for SCU rates.Not published (vendor says pricing is based on endpoint count with no AI usage meter).
Pricing model quotequote
Primary source https://learn.microsoft.com/en-us/defender-xdr/phishing-triage-agenthttps://reliaquest.com/security-operations-platform/greymatter-agentic-teammates/
Last checked 2026-10-182026-10-18
Official site https://learn.microsoft.com/en-us/defender-xdr/phishing-triage-agenthttps://reliaquest.com/security-operations-platform/greymatter-agentic-teammates/

FAQ (from this dataset)

What is the difference between Microsoft Security Copilot Phishing Triage Agent and ReliaQuest GreyMatter Agentic Teammates?

Both are listed under Security. Shared tasks: security-operations, alert-triage, incident-response, threat-detection. Microsoft Security Copilot Phishing Triage Agent-only tasks: phishing-triage, email-security. ReliaQuest GreyMatter Agentic Teammates-only tasks: government-compliance. Differences are from stored category and task tags, not a ranking.

Which one publishes pricing?

Microsoft Security Copilot Phishing Triage Agent (Defender): No standalone price. Requires Microsoft Defender for Office 365 Plan 2 plus Security Copilot security compute units (SCUs). Microsoft says Security Copilot agents are also made available to Microsoft 365 E5 customers. Check Microsoft's Security Copilot pricing for SCU rates. ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government): Not published (vendor says pricing is based on endpoint count with no AI usage meter).

Where are Microsoft Security Copilot Phishing Triage Agent and ReliaQuest GreyMatter Agentic Teammates headquartered?

Microsoft Security Copilot Phishing Triage Agent (Defender) publishes HQ in United States. ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government) publishes HQ in United States.

Side-by-side data is generated from the open dataset. “Vendor-claimed” frameworks are as marketed by each vendor and not verified by Agent Index; framework tags indicate relevance, not certification. Request current quotes from each vendor before buying. This page does not rank or score vendors. Sponsored comparisons, if any, will be labelled.

Also in this use case

Other verified listings that share a task tag or use-case group with Microsoft Security Copilot Phishing Triage Agent (Defender) or ReliaQuest GreyMatter Agentic Teammates (GreyMatter for Government). Open a pair page or the use-case table — this is not a ranking.

Use-case comparisons

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