Microsoft Security Copilot Phishing Triage Agent vs Plerion Pleri

Quick answer

Microsoft Security Copilot Phishing Triage Agent (Defender) (Microsoft) and Plerion Pleri (AI security engineer) (Plerion) 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 Plerion Pleri (AI security engineer) (Plerion) are both listed in the Security category of Agent Index. They share no framework tags in our dataset.

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Field Microsoft Security Copilot Phishing Triage Agent (Defender)Plerion Pleri (AI security engineer)
Vendor MicrosoftPlerion
HQ United States · North AmericaAustralia · Australia and New Zealand
Primary category SecuritySecurity
Also listed in SecuritySecurity
Summary Security Copilot agent in Microsoft Defender that autonomously triages user-reported phishing, resolves false positives and explains each verdict.Sydney-based cloud and AI security platform with Pleri, an agent that investigates findings, checks real exploitability, raises fix PRs and Jira tickets, and follows each change through to merge.
Frameworks (vendor-stated) ——
Frameworks (vendor-claimed) ——
Capabilities / tasks phishing triage, email security, security operations, alert triage, incident response, threat detectioncloud security, vulnerability management, remediation, exposure management
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.Published estimator on plerion.com/pricing: a fixed monthly Plerion bill set by combined monthly AWS/Azure/GCP spend (example shown: $100,000–$130,000 cloud bill → about $3,100–$3,700/month, USD), all capabilities and the agent included; 'Start free' option.
Pricing model quotepublished-tiers
Primary source https://learn.microsoft.com/en-us/defender-xdr/phishing-triage-agenthttps://www.plerion.com/agents
Last checked 2026-10-182026-10-18
Official site https://learn.microsoft.com/en-us/defender-xdr/phishing-triage-agenthttps://www.plerion.com/agents

FAQ (from this dataset)

What is the difference between Microsoft Security Copilot Phishing Triage Agent and Plerion Pleri?

Both are listed under Security. They share no task tags in this dataset. Microsoft Security Copilot Phishing Triage Agent-only tasks: phishing-triage, email-security, security-operations, alert-triage, incident-response, threat-detection. Plerion Pleri-only tasks: cloud-security, vulnerability-management, remediation, exposure-management. 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. Plerion Pleri (AI security engineer): Published estimator on plerion.com/pricing: a fixed monthly Plerion bill set by combined monthly AWS/Azure/GCP spend (example shown: $100,000–$130,000 cloud bill → about $3,100–$3,700/month, USD), all capabilities and the agent included; 'Start free' option.

Where are Microsoft Security Copilot Phishing Triage Agent and Plerion Pleri headquartered?

Microsoft Security Copilot Phishing Triage Agent (Defender) publishes HQ in United States. Plerion Pleri (AI security engineer) publishes HQ in Australia.

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 Plerion Pleri (AI security engineer). Open a pair page or the use-case table — this is not a ranking.

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