Curated list of cost‑effective SIEM solutions that include built‑in or easily integrable firewall capabilities, ideal for early‑stage companies looking to boost visibility and threat detection without breaking the bank.
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Open‑source SIEM and XDR platform that ingests firewall logs, correlates events, and offers real‑time alerts. Free community edition with optional paid support.
Free tier of Elastic Stack with SIEM dashboards, threat hunting, and native integration with Elastic Firewall (via Elastic Endpoint Security). Scales pay‑as‑you‑go.
Open‑source SIEM that bundles log management, vulnerability assessment, and firewall event correlation. Community edition is free; commercial support available.
Free, open‑source log management platform with SIEM plugins. Can pull logs from any firewall appliance and build custom detection rules.
Free tier of Splunk Cloud (up to 500 MB/day) offering powerful search, dashboards, and alerting. Supports firewall log ingestion via Splunk Add‑On for Cisco ASA, Palo Alto, etc.
Cloud‑native SIEM with built‑in analytics and Azure Firewall integration. Low‑volume workloads can stay under $10/month, making it startup‑friendly.
Affordable on‑prem SIEM with automated firewall rule compliance, real‑time correlation, and pre‑built dashboards for small teams.
Managed detection platform with built‑in SIEM, user behavior analytics, and firewall log parsing. Startup pricing starts at $2,500/year for up to 250 assets.
Serverless SIEM with a free tier (up to 500 MB/day). Offers out‑of‑the‑box firewall log parsers and real‑time threat detection.
Cloud‑based SIEM built on the ELK stack. Free tier includes 1 GB/day ingestion and firewall log integrations via pre‑built parsers.
Free community version of Fortinet’s SIEM that natively integrates with FortiGate firewalls and provides basic correlation and reporting.
SaaS SIEM with built‑in firewall monitoring, asset discovery, and vulnerability scanning. Tiered pricing starts at $29/month for up to 25 assets.