Ontinue ION MXDR autonomous investigations (agentic AI SOC for Microsoft Defender and Sentinel) vs Plerion Pleri (AI security engineer)
Ontinue ION MXDR autonomous investigations (agentic AI SOC for Microsoft Defender and Sentinel) (Ontinue (Ontinue AG)) 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.
| Field |  Ontinue ION MXDR autonomous investigations (agentic AI SOC for Microsoft Defender and Sentinel) |  Plerion Pleri (AI security engineer) |
|---|---|---|
| Vendor | Ontinue (Ontinue AG) | Plerion |
| HQ | Switzerland · Europe | Australia · Australia and New Zealand |
| Primary category | Security | Security |
| Also listed in | Security | Security |
| Summary | Zurich-headquartered managed detection and response provider for Microsoft Defender and Sentinel whose ION MXDR service uses a team of AI agents to run autonomous Tier 2-level incident investigations (aggregate telemetry, form and test hypotheses) before handing a step-by-step summary to an Ontinue Cyber Defender. | 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. |
| Framework tags (Agent Index) | — | — |
| Frameworks (vendor-claimed) | — | — |
| Capabilities / tasks | security operations, alert triage, case investigation, incident response, threat detection | cloud security, vulnerability management, remediation, exposure management |
| Pricing (as published) | Not published | 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 | quote | published-tiers |
| Primary source | https://www.ontinue.com/first-to-launch-agentic-ai-mdr/ | https://www.plerion.com/agents |
| Last checked | 2026-10-19 | 2026-10-18 |
| Official site | https://www.ontinue.com/first-to-launch-agentic-ai-mdr/ | https://www.plerion.com/agents |
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 Ontinue ION MXDR autonomous investigations (agentic AI SOC for Microsoft Defender and Sentinel) or Plerion Pleri (AI security engineer). Open a pair page or the use-case table — this is not a ranking.
- Blackpoint AI SOC Agent for ITDR (autonomous identity threat containment for Microsoft 365 and Google Workspace) — AI SOC agent inside Blackpoint's managed ITDR service that autonomously contains high-confidence credential attacks on Microsoft 365 and Google Workspace accounts: it suspends the account, forces a password reset, ends active sessions and logs its reasoning, and escalates anything below its confidence threshold to a human SOC analyst. Generally available since July 8, 2026. · Blackpoint AI SOC Agent for ITDR (autonomous identity threat containment for Microsoft 365 and Google Workspace) pair comparison
- Bricklayer AI security agents (agentic platform for the AI security workforce) — Agentic cybersecurity platform that deploys, coordinates and governs teams of role-based and tool-specialist AI agents to triage alerts, investigate incidents, run threat-intelligence and threat-hunting work and track vulnerability remediation inside analyst-approved procedures, with every agent action auditable. · Bricklayer AI security agents (agentic platform for the AI security workforce) pair comparison
- Cloudgeni cloud agents (Compliance Remediation, Drift & Import, PR Review and other infrastructure agents) — Oslo-built agentic cloud operations platform whose agents find cloud security and compliance issues, investigate across cloud state and IaC, write the Terraform/Bicep fix, validate it with a plan and policy checks and open a pull request, then verify the fix after it lands. The Compliance Remediation Agent works from Prowler, Security Hub, Defender and Checkov findings against CIS, SOC 2, ISO 27001 and NIS2. Autonomy is set by policy. · Cloudgeni cloud agents (Compliance Remediation, Drift & Import, PR Review and other infrastructure agents) pair comparison
- Command Zero Agent Zero (autonomous security analyst) — Autonomous and AI-assisted SOC investigation platform from Austin, Texas. Its LLM agent, Agent Zero, investigates alerts end to end across identity, endpoint, cloud, email and SaaS, auto-closes routine cases with documented reasoning, and escalates the rest with a replayable chain of evidence for analysts to confirm or override. · Command Zero Agent Zero (autonomous security analyst) pair comparison
Use-case comparisons
- AI SOC and security-analyst agents — 37 listings (Security operations, alert investigation and threat detection)
- Cloud security (CNAPP) AI agents — 8 listings (Cloud and container security posture, exposure and remediation)
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