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Security Threat Detection & Response Agent

Alert triage and investigation summary ready before your analyst opens the ticket.

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Security Threat Detection & Response Agent
The Scenario

The problem
being solved

Security operations centers face an alert volume problem. A mid-size organization's security stack — SIEM, EDR, network detection, email security, cloud security posture — generates thousands of alerts per day. Security analysts must triage each alert to determine if it represents a genuine threat requiring investigation or a false positive to be closed.

CrowdStrike's 2024 Global Threat Report documents that the median attacker breakout time — time from initial access to lateral movement — is 62 minutes. SentinelOne's threat intelligence data shows that 79% of cyberattacks are malware-free (using legitimate tools and credentials). The implication: detection speed matters, and high false positive rates slow detection.

The SANS 2024 SOC survey found that 60% of SOC analysts report alert fatigue as their primary challenge, and organizations with high false positive rates see faster analyst turnover. The structural problem is that the alert volume has grown faster than analyst headcount, and each alert requires contextual investigation before a triage decision can be made accurately.

The Solution

How this
agent works

The Security Threat Detection & Response Agent pre-investigates security alerts before an analyst opens them. When an alert fires, the agent automatically assembles context: pulls the related endpoint's recent process history, network connections, and user activity; checks the involved IPs, domains, and file hashes against threat intelligence feeds; retrieves related alerts from the past 30 days for the same asset; and produces a structured investigation summary with a threat assessment.

The analyst receives a ticket with the investigation pre-complete: here is what happened, here is the context, here is the threat assessment, here is the recommended action. For clear false positives, the analyst closes the ticket in seconds. For genuine threats, the analyst has the investigation context needed to make response decisions immediately, without the 15–30 minutes typically spent assembling context manually.

For confirmed incidents, the agent assists with response coordination: generating containment action checklists, documenting the incident timeline, and drafting stakeholder notifications.

How It's Built

Alert feeds arrive via webhook and API into a Go/Kafka ingestion layer, normalised from SIEM, EDR, and cloud security sources. A LangGraph orchestration agent runs parallel context gathering: log API queries against Elasticsearch, threat intel lookups via VirusTotal and MISP, and related alert retrieval from Redis. Claude synthesises the gathered context into a structured investigation summary with threat assessment and recommended disposition, mapped to MITRE ATT&CK technique IDs. For playbook-eligible incident types — phishing, credential compromise, malware — a separate response agent executes containment steps with analyst approval gates and writes every action to an immutable audit log.

Stack
GoPythonLangGraphKafkaElasticsearchRedisAnthropic ClaudeVirusTotal / MISP integration
Projected Impact

A security operations team at a 500-person technology company manages a stack generating approximately 500 alerts per week. Two Tier 1 analysts spend the majority of their time triaging alerts. Mean time to triage is 18 minutes per alert; mean time to close confirmed false positives is 8 minutes. Genuine threats requiring investigation take 2–4 hours.

After deploying the threat detection agent, alerts arrive with pre-completed investigation summaries. Tier 1 triage drops from 18 minutes to 3–5 minutes (review of the pre-investigation). Confirmed false positives close in under 2 minutes. Genuine threat investigations start from a complete context package, reducing investigation initiation time by 60–70%.

These projections are informed by CrowdStrike Falcon Fusion workflow data, SentinelOne Singularity Platform efficiency benchmarks, and the SANS 2024 SOC Survey data.

MetricBeforeAfter
Time to begin a genuine threat investigation15–30 minutes assembling context (logs, TI lookups, related alerts)0 additional assembly time; pre-investigation is complete when analyst opens ticket
False positive closure time5–10 minutes per alert (manual review to confirm benign)1–2 minutes (review pre-investigation summary, confirm close)
Incident timeline documentationBuilt manually during or after incident responseAuto-generated from alert and response action log; updated in real time
Reduction from ~18 min to 3–5 minMean time to triage per alertPre-investigation reduces analyst triage time from 15–25 minutes (manual context assembly) to 3–5 minutes (reviewing an assembled investigation summary). CrowdStrike Fusion workflow customers report similar reductions in alert handling time.
40–60% more analyst time availableAnalyst capacity for genuine threat investigationWhen false positive triage time drops significantly, analysts have proportionally more time for genuine threat investigation, threat hunting, and security improvement work. SentinelOne platform data shows this capacity reallocation is the primary operational benefit.
30–50% reductionMean time to detect and contain (MTTD/MTTC)Faster alert triage and pre-assembled investigation context directly reduce time from alert to containment decision. IBM's Cost of a Data Breach report (2024) shows that organizations with AI-assisted SOC operations have significantly lower breach costs, driven primarily by faster containment.
Capabilities
  1. 01

    Automated Alert Pre-Investigation

    When an alert fires, the agent pulls process history, network connections, user activity, related alerts for the same asset, and threat intel lookups on all involved indicators in parallel. The structured investigation summary lands in the ticket before an analyst opens it — including a confidence-scored threat assessment and recommended disposition.

  2. 02

    Threat Intelligence Enrichment

    Every alert is enriched in real time: IP and domain reputation, file hash verdicts, domain registration age, and known threat actor TTPs from configured feeds including VirusTotal, Shodan, and MISP. Commercial feed integrations are supported via a normalised adapter layer so the agent works with whatever your SOC already subscribes to.

  3. 03

    MITRE ATT&CK Classification

    Observed behaviors are mapped to ATT&CK tactics and technique IDs using a classification model trained on behavioral indicators. Each mapping includes how the technique is typically used, which threat actor groups have used it, and the ATT&CK knowledge base's recommended detection and response guidance — surfaced directly in the summary.

  4. 04

    Response Playbook Execution

    For common incident types, the agent executes configured playbook steps — endpoint isolation, account disable, IP block — with a mandatory analyst approval gate before each action. All steps are logged to an append-only audit trail with timestamps, actor identity, and the alert context that triggered the action.

  5. 05

    Incident Timeline and Documentation

    For escalated incidents, the agent assembles a chronological event timeline from alert data and response actions as they happen, and drafts stakeholder notifications and post-incident reports against your reporting template. Documentation meets the format requirements for post-incident review and satisfies common regulatory reporting obligations without manual reconstruction.

Build this agent
for your workflow.

We custom-build each agent to fit your data, your rules, and your existing systems.

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