Doppel agentic social engineering defense (Email Security, Phishing Triage and agentic takedowns) vs Plerion Pleri (AI security engineer)
Doppel agentic social engineering defense (Email Security, Phishing Triage and agentic takedowns) (Doppel (Doppel Inc.)) 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 |  Doppel agentic social engineering defense (Email Security, Phishing Triage and agentic takedowns) |  Plerion Pleri (AI security engineer) |
|---|---|---|
| Vendor | Doppel (Doppel Inc.) | Plerion |
| HQ | United States · North America | Australia · Australia and New Zealand |
| Primary category | Security | Security |
| Also listed in | Security | Security |
| Summary | Social engineering defense platform where AI agents triage employee-reported phishing, remove malicious mail automatically, tune email detection policies and trace phishing back to its sending infrastructure and links to execute takedowns, alongside brand-impersonation takedowns across web, social, ads and app stores. | 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 | email security, phishing triage, threat intelligence, threat detection, remediation | 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.doppel.com/product/email-security | https://www.plerion.com/agents |
| Last checked | 2026-10-18 | 2026-10-18 |
| Official site | https://www.doppel.com/product/email-security | 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 Doppel agentic social engineering defense (Email Security, Phishing Triage and agentic takedowns) or Plerion Pleri (AI security engineer). Open a pair page or the use-case table — this is not a ranking.
- AIpentix (agentic continuous security testing and agentic red teaming, by Swipergy) — German continuous security-testing platform with an AI agent that signs in to the customer's application on its own, chooses follow-up checks and documents attack paths, with every tool run evidenced. Findings are grouped into remediation actions with owners, deadlines and Jira sync, and retests confirm fixes. Agentic red-team campaigns (recon, access, lateral and report agents led by human red teamers) are also offered for TIBER-EU and DORA TLPT style testing. · AIpentix (agentic continuous security testing and agentic red teaming, by Swipergy) pair comparison
- C1 Autonomous Worker and C1 Agents (identity governance AI agent, formerly ConductorOne) — Governed AI agent on C1's identity platform that carries out identity work end to end from a plain-language request (revoking stale admin grants, building access reviews, assembling audit evidence on who reached production, finding orphaned entitlement owners), acting only within the operator's own permissions and logging every action. · C1 Autonomous Worker and C1 Agents (identity governance AI agent, formerly ConductorOne) pair comparison
- Keepnet Incident Responder AI agent (phishing incident response and agentic security awareness) — Human risk management platform whose AI agent reviews user-reported emails, opens investigations and proposes next steps in Incident Responder, with every action held in a human approval queue; the same agent builds and runs phishing simulations and awareness training. Per-user pricing is published. · Keepnet Incident Responder AI agent (phishing incident response and agentic security awareness) pair comparison
- RiskXchange The Agency (32 AI agents for third-party risk) — AI workforce of five lead agents and 27 specialists that runs third-party risk end to end: vendor outreach, onboarding and questionnaire chasing, document assessment, outside-in breach and score monitoring, regulatory gap analysis and remediation, and regulator-ready reporting, with Manual, Assisted or Autonomous mode set per vendor.
Use-case comparisons
- Email security and phishing-response AI agents — 15 listings (Triage of user-reported phishing, autonomous email threat remediation and AI-run phishing simulation)
- Cloud security (CNAPP) AI agents — 7 listings (Cloud and container security posture, exposure and remediation)
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