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Australia edition · 10 products ranked · Verified 2026-05-24

Top 10 SIEM Software in Australia for 2026

Independent Australian SIEM ranking, AUD pricing, SOCI Act 2018 critical-infrastructure obligations, ASD Essential Eight ML2 / ML3, CyberCX-led MSSP deployments, IRAP-aware federal options.

Australia verdict (TL;DR)

Verified 2026-05-24

Splunk Enterprise Security dominates Aussie large enterprise SIEM at CBA, Westpac, NAB, ANZ, Telstra, Optus, Macquarie and BHP. Microsoft Sentinel has taken share rapidly through 2024-2026 at mid-market and at federal-government workloads running on Azure Australia Central. Google SecOps (Chronicle) holds a smaller but growing Aussie footprint at SaaS-native firms. Securonix and Exabeam cover the AI-led SIEM segment. QRadar holds legacy banking. Sumo Logic SIEM and Rapid7 InsightIDR cover Aussie mid-market. Devo and LogRhythm sit in the second tier. SOCI Act 2018 obligations now make SIEM a board-level conversation at critical-infrastructure operators across 11 sectors.

Picks for Australia

  • CBA, NAB, Westpac, Telstra-tier Aussie enterprise SIEM at scale: splunk-es Splunk ES is the default at Big Four banks, Telstra, Optus, Macquarie and large ASX-listed enterprise. Deepest Aussie reference base, mature SOC playbooks at CyberCX and Aussie MSSPs.
  • Federal-government and Microsoft-stack Aussie enterprise SIEM: microsoft-sentinel Microsoft Sentinel in Azure Australia East and Azure Australia Central is the default for Services Australia, DTA, federal agencies and Microsoft-stack enterprise. IRAP-assessed for PROTECTED.
  • SaaS-native Aussie scale-ups wanting petabyte-scale SIEM: google-secops Google SecOps (Chronicle) suits Aussie SaaS firms already on Google Cloud Sydney with high-volume log requirements. AUD-friendly storage economics.
  • UEBA-led Aussie SOC programs: securonix Securonix Next-Gen SIEM is the credible AI / UEBA-led pick at Aussie banks, insurers and government-adjacent SOCs replacing legacy SIEM.
  • Aussie mid-market SOC running on AWS Sydney: sumologic-siem Sumo Logic Cloud SIEM is the cloud-native pick at Aussie mid-market AWS workloads, AUD-friendly versus Splunk at sub-1,000 employee scale.
  • Aussie mid-market needing MDR-style integrated SIEM and SOC: rapid7-insightidr Rapid7 InsightIDR plus MDR services covers Aussie mid-market that wants integrated SIEM with bundled SOC capability rather than building it.
Market context

How the siem software market looks in Australia

Aussie SIEM is one of the most compliance-driven software categories in 2026. The Security of Critical Infrastructure (SOCI) Act 2018, as amended in 2021 and 2022, obliges critical-infrastructure operators across 11 sectors (energy, water, telco, finance, food and grocery, healthcare, transport, defence industry, higher education and research, communications, data storage and processing) to maintain a Critical Infrastructure Risk Management Program. SIEM and SOC capability sit at the centre of CIRMP. The Department of Home Affairs and the Cyber and Infrastructure Security Centre have explicit expectations on log retention, monitoring and incident response.

The Aussie SIEM vendor landscape splits cleanly. Splunk ES dominates large enterprise across CBA, Westpac, NAB, ANZ, Macquarie, Telstra, Optus, BHP, Rio Tinto, Fortescue, Coles, Woolworths, REA Group and Suncorp. Microsoft Sentinel has taken material share since 2023 at federal government (Services Australia, DTA, Defence, ATO, OAIC, ASIC, AUSTRAC) and at Microsoft-stack mid-market and enterprise running on Azure Australia East. Google SecOps has a smaller Aussie footprint but is growing at GCP-native SaaS firms. Securonix, Exabeam and Devo handle the AI / UEBA-led segment. Sumo Logic and Rapid7 sit at AWS-native and MDR-led mid-market.

The Aussie SIEM market is heavily MSSP-led. CyberCX (Sydney-headquartered) is the dominant Aussie MSSP and runs Splunk, Sentinel, Securonix, Exabeam and Google SecOps SOCs for Aussie buyers. Macquarie Government Cloud, Cipherpoint, BAE Systems Applied Intelligence and Tesserent (now ASX-listed inside CyberCX) cover the rest. AusCERT and the Joint Cyber Security Centres (JCSC) coordinate threat intelligence flow into Aussie SIEM platforms. ASD Essential Eight ML2/3 obligations push SIEM detection coverage even where SOCI does not formally apply.

Compliance & local rules

Australian SIEM deployments must satisfy several overlapping regimes. The Security of Critical Infrastructure (SOCI) Act 2018 obliges critical-infrastructure operators across 11 sectors to maintain a Critical Infrastructure Risk Management Program (CIRMP) covering cyber, supply-chain, personnel and physical risks. SIEM and SOC capability are central to CIRMP. Mandatory cyber-incident reporting to the Cyber and Infrastructure Security Centre (CISC) within 12-72 hours applies for SOCI-covered entities. APRA CPS 234 (information security, effective 2019) requires regulated entities to maintain assurance over detection and response capability. CPS 230 (operational risk management, effective July 2025) extends operational resilience requirements. The ASD Essential Eight Maturity Model, mandatory for federal government and de facto for APRA and ASX-listed entities, requires monitoring and logging at ML2 and ML3. The Notifiable Data Breaches scheme requires 30-day OAIC notification for eligible breaches. Federal-government SIEM workloads require IRAP-assessed hosting (PROTECTED, SECRET); Microsoft Sentinel, Splunk Cloud Australia and Google SecOps have IRAP coverage at various levels. AUSTRAC monitoring obligations apply to financial-services SIEM. Modern Slavery Act 2018 reporting picks up vendor selection. Privacy Act APP 11 requires reasonable security including monitoring.

At a glance

Quick comparison, ranked for Australia

Product Best for Starts at 10-emp/mo* Pricing G2 Geo
1 Splunk Enterprise Security
Mature enterprise SOC teams
Quote - 4.3 Global
2 Microsoft Sentinel
Microsoft-anchored enterprise
$0 $0 4.4 Global; Azure regions
3 Google SecOps (Chronicle)
Google Cloud-anchored mid-market and enterprise
$0 + $6/emp $60 4.5 Global
5 Securonix
Mid-market and enterprise SOC
Quote - 4.4 Global
4 Exabeam Fusion SIEM
Mid-market and enterprise SOC
Quote - 4.3 Global
7 Sumo Logic Cloud SIEM
Logs-led mid-market and enterprise
Quote - 4.3 Global
8 Rapid7 InsightIDR
Mid-market SOC teams
Quote - 4.4 Global
6 IBM QRadar
Traditional enterprise; IBM-anchored
Quote - 4.0 Global
9 Devo
MSSPs and high-data-volume enterprises
Quote - 4.5 Global
10 LogRhythm
Traditional on-prem enterprise SOC
Quote - 4.0 Global

*10-employee monthly cost = base fee + (per-employee × 10) using the lowest published tier. For opaque-pricing vendors, no value is shown.

Verified local pricing

What buyers in Australia actually pay

Median annual deal size by employee band, in AUD. Crowdsourced from anonymized buyer disclosures.

Product Employee band Median annual (AUD) Sample Notes
Splunk Enterprise Security 1,000-10,000 employees A$485,000 18 Splunk Enterprise Security plus ingest, Aussie big bank tier
Microsoft Sentinel 500-5,000 employees A$215,000 24 Sentinel pay-per-GB ingest in Azure Australia East
Google SecOps (Chronicle) 200-2,000 employees A$165,000 11 Google SecOps SaaS, Aussie GCP-native tier
Securonix 500-3,000 employees A$235,000 9 Securonix UEBA SIEM, Aussie enterprise tier
Sumo Logic Cloud SIEM 100-500 employees A$85,000 14 Sumo Logic Cloud SIEM, Aussie AWS-native mid-market
Rapid7 InsightIDR 100-500 employees A$72,000 17 Rapid7 InsightIDR plus MDR add-on
Local challengers

Australia-built or Australia-strong vendors worth knowing

Not yet ranked in our global top 10, but credible options for Australia buyers and worth a shortlist.

CyberCX

Visit ↗

Sydney-headquartered, Aussie-owned MSSP and the dominant Aussie SIEM operator across Splunk, Sentinel, Securonix and Google SecOps SOCs. Major Aussie government and enterprise reference base.

Macquarie Government Cloud / Macquarie Telecom

Visit ↗

Sydney-based sovereign cloud and managed-services operator. IRAP-assessed and trusted at PROTECTED federal workloads.

AUSCERT

Visit ↗

University of Queensland-based Aussie CERT and threat-intelligence feed for Aussie SOCs. Free for member organisations.

BAE Systems Applied Intelligence

Visit ↗

Aussie defence and critical-infrastructure MSSP serving Aussie government and large enterprise.

The Australia ranking

All 10, ranked for Australia

Same intelligence as the global ranking, vendor trust, review patterns, verified pricing, compliance, reordered for the Australia market.

#1

Splunk Enterprise Security

Deepest detection engineering for mature SOCs.

Founded 2003 · San Jose, CA · public · 500–100,000+ employees
G2 4.3 (540)
Capterra 4.4
Custom quote
○ Sales call required
Visit Splunk Enterprise Security

Splunk Enterprise Security (ES) is the SIEM with the deepest customization for mature detection engineering. The product's SPL (Search Processing Language) lets analysts write arbitrary detection logic with full programmatic control. Acquired by Cisco in March 2024 for $28B. Trade-offs: pricing among the highest in category ($150K-$5M+ annually), implementation complex (4-12 months for Fortune 500), and pricing complexity post-Cisco has eroded the category lead.

Best for

Mature SOC teams (10+ analysts) running custom detection engineering at Fortune 500 scale where SPL programmability is critical.

Worst for

Mid-market without dedicated SOC, Microsoft/Google-anchored organizations (native cloud SIEM cheaper), or organizations valuing predictable pricing.

Strengths

  • Deepest customization via SPL
  • Battle-tested at Fortune 500 scale
  • Mature partner ecosystem and certified analysts
  • Strongest detection engineering capability
  • Native UBA add-on (Splunk UBA)
  • Cisco network/observability integration post-2024 acquisition

Weaknesses

  • Pricing complexity post-Cisco; multiple pricing models still settling
  • Cost predictability difficult at scale
  • Implementation 4-12 months for Fortune 500
  • SPL learning curve steep
  • Licensing complexity (ingestion-based vs SVCs)
  • Customer support flagged through Cisco transition

Pricing tiers

opaque
  • Splunk Cloud
    Industry estimate $150K-$1M annually mid-enterprise
    Quote
  • Splunk Enterprise (on-prem)
    Industry estimate $300K-$5M+ annually for Fortune 500
    Quote
Watch for
  • · Implementation $50K-$500K via certified partners
  • · Splunk SOAR/Splunk UBA priced separately
  • · Multi-year contracts standard
  • · Ingestion overage pricing

Key features

  • +Custom detection via SPL
  • +Correlation searches
  • +Threat intelligence integration
  • +Splunk UBA (User Behavior Analytics)
  • +Splunk SOAR integration
  • +Cisco observability integration
  • +Custom dashboards
  • +Compliance reporting
700+ integrations
Cisco Network MonitoringAWSAzureGCPMicrosoft Sentinel
Geography
Global
#2

Microsoft Sentinel

Cloud-native SIEM for Microsoft-anchored organizations.

Founded 2019 · Redmond, WA · public · 500–100,000+ employees
G2 4.4 (880)
Capterra 4.5
From $0 /mo
● Transparent pricing
Visit Microsoft Sentinel

Microsoft Sentinel is the cloud-native SIEM tightly integrated with the Microsoft security stack, Defender XDR, Microsoft 365, Azure AD/Entra, and Azure security services. The product's defining advantage: free ingestion tiers for Microsoft data sources, dramatically reducing total cost for organizations already on Microsoft 365 + Azure. Trade-offs: best-fit narrowed to Microsoft-anchored orgs, KQL learning curve, less customization than Splunk SPL.

Best for

Organizations already on Microsoft 365 + Azure (especially Defender XDR) wanting native SIEM at significantly lower TCO than Splunk.

Worst for

Multi-cloud or AWS-primary organizations, mature SOCs needing SPL-level customization, or anyone running primarily non-Microsoft data sources.

Strengths

  • Cloud-native scale on Azure
  • Native integration with Defender XDR, Microsoft 365, Azure AD/Entra
  • Free ingestion tiers for Microsoft data sources (huge cost saving)
  • Microsoft Security Copilot AI assistant
  • Mature SOAR (Sentinel Automation)
  • Fits Microsoft 365 + Azure shops

Weaknesses

  • Best-fit narrowed to Microsoft-anchored organizations
  • KQL (Kusto Query Language) learning curve
  • Less customization than Splunk SPL
  • Non-Microsoft data ingestion priced normally
  • Support is hit-or-miss

Pricing tiers

public
  • Pay-As-You-Go
    $2.46/GB ingested standard; Microsoft data free
    $0 /mo
  • Commitment Tiers
    Lower per-GB rate at higher commitment
    $0 /mo
Watch for
  • · Non-Microsoft data ingestion priced normally
  • · Microsoft Defender XDR priced separately
  • · Multi-year commitments at higher tiers

Key features

  • +Cloud-native SIEM
  • +Native Defender XDR integration
  • +Microsoft 365 free data ingestion
  • +KQL query language
  • +Microsoft Security Copilot AI
  • +Sentinel Automation (SOAR)
  • +Workbooks (custom dashboards)
  • +300+ data connectors
300+ integrations
Microsoft 365AzureDefender XDRAzure AD/EntraPower BI
Geography
Global; Azure regions
#3

Google SecOps (Chronicle)

Predictable per-employee pricing with unlimited ingestion.

Founded 2018 · Mountain View, CA · public · 500–100,000+ employees
G2 4.5 (240)
Capterra 4.6
From $0 + $6 /mo + /employee
◐ Partial disclosure
Visit Google SecOps (Chronicle)

Google SecOps (formerly Chronicle, now part of Google Security Operations) is the cloud-native SIEM built on Google's search infrastructure. The product's defining choice: per-employee pricing instead of per-GB ingestion, which dramatically simplifies cost predictability for high-data-volume organizations. Trade-offs: best-fit narrowed to organizations comfortable with Google Cloud, smaller ecosystem than Microsoft, less mature than Splunk for custom detection.

Best for

Mid-market and enterprise organizations on or considering Google Cloud, with high data volumes where per-employee pricing dramatically beats per-GB ingestion.

Worst for

Microsoft 365 / Azure shops (Sentinel wins on free Microsoft data), or organizations with mature Splunk-based detection engineering.

Strengths

  • Per-employee pricing, not per-GB ingestion
  • Unlimited data retention at predictable cost
  • Built on Google search infrastructure (extreme scale)
  • Native Mandiant threat intelligence (Google acquired 2022)
  • Google Cloud security integration
  • Strong AI features via Vertex AI integration

Weaknesses

  • Best-fit narrowed to Google Cloud-comfortable organizations
  • Smaller ecosystem than Microsoft Sentinel
  • Less mature for custom detection vs Splunk
  • Non-cloud-native organizations harder to onboard
  • Uneven support quality

Pricing tiers

partial
  • Standard
    Industry estimate ~$72/employee/year
    $0+$6 /mo +/emp
  • Enterprise
    Industry estimate ~$120/employee/year with advanced features
    $0+$10 /mo +/emp
  • Enterprise+
    Custom enterprise with Mandiant Hunt
    Quote
Watch for
  • · Mandiant threat intel add-on
  • · Implementation services
  • · Multi-year commitments common

Key features

  • +Per-employee pricing model
  • +Unlimited data retention
  • +Mandiant threat intelligence integration
  • +YARA-L detection language
  • +AI features via Vertex AI
  • +Google Cloud security integration
  • +SOAR via Chronicle
  • +Pre-built parsers for 100+ sources
200+ integrations
Google CloudGCP Security Command CenterMandiantAWSAzure
Geography
Global
#5

Securonix

Next-gen SIEM with native AI/ML for autonomous SOC.

Founded 2008 · Addison, TX · private · 200–10,000+ employees
G2 4.4 (240)
Capterra 4.5
Custom quote
○ Sales call required
Visit Securonix

Securonix is the next-generation SIEM with native AI/ML for autonomous SOC operations. The product converges SIEM + UEBA + SOAR + threat intelligence into a unified platform on Snowflake-based architecture. Works for organizations consolidating fragmented security tools. Trade-offs: pricing opaque, implementation complex, brand recognition lower than Splunk.

Best for

Mid-market and enterprise SOC teams (200-5,000 employees) consolidating fragmented SIEM + UEBA + SOAR + threat intel into unified platform.

Worst for

Mature SOCs with existing custom detection (Splunk wins), Microsoft-anchored orgs (Sentinel cheaper), or buyers wanting transparent pricing.

Strengths

  • Native AI/ML for autonomous SOC operations
  • Snowflake-based architecture for scale
  • Combined SIEM + UEBA + SOAR + threat intel
  • Built for tool consolidation
  • Modern UX

Weaknesses

  • Pricing opaque
  • Implementation complex (4-12 weeks)
  • Brand recognition lower than Splunk
  • Support inconsistency reported
  • Multi-year contracts

Pricing tiers

opaque
  • Standard
    Industry estimate $100K-$300K annually
    Quote
  • Enterprise
    Industry estimate $300K-$1M+ annually
    Quote
Watch for
  • · Multi-year contracts standard
  • · Implementation services

Key features

  • +Native AI/ML detection
  • +Snowflake-based architecture
  • +UEBA + SIEM + SOAR unified
  • +Threat intelligence integration
  • +Cloud-native architecture
  • +Pre-built use case packs
  • +Custom dashboards
  • +API for custom workflows
400+ integrations
SnowflakeAWSAzureOktaCrowdStrike
Geography
Global
#4

Exabeam Fusion SIEM

Behavioral analytics-led SIEM with native UEBA.

Founded 2013 · Foster City, CA · private · 500–10,000+ employees
G2 4.3 (380)
Capterra 4.3
Custom quote
○ Sales call required
Visit Exabeam Fusion SIEM

Exabeam built its business on UEBA (User and Entity Behavior Analytics), the platform was UEBA-first before adding SIEM capability. The result is the strongest behavioral detection in the category, particularly for insider threats and account compromise. Exabeam Fusion SIEM combines UEBA + SIEM + SOAR. Trade-offs: pricing higher than Microsoft Sentinel, brand momentum has slowed, and SIEM core (vs UEBA) less mature than Splunk.

Best for

Organizations focused on insider threat and account compromise detection where behavioral analytics outweighs SIEM core depth.

Worst for

Mature SOCs running custom detection engineering (Splunk wins), Microsoft-anchored shops (Sentinel cheaper), or buyers wanting predictable pricing.

Strengths

  • UEBA-first architecture; strongest behavioral detection
  • Native investigation timelines (Smart Timelines)
  • Insider threat and account compromise detection
  • Combined SIEM + UEBA + SOAR platform
  • Cloud-native architecture

Weaknesses

  • Pricing higher than Microsoft Sentinel
  • Brand momentum has slowed since 2023 layoffs
  • SIEM core less mature than Splunk
  • Support depends on tier
  • Multi-year contracts standard

Pricing tiers

opaque
  • Fusion SIEM
    Industry estimate $80K-$300K annually mid-enterprise
    Quote
  • Enterprise
    Industry estimate $300K-$1M+ annually
    Quote
Watch for
  • · Multi-year contracts standard
  • · Implementation services

Key features

  • +UEBA (User Entity Behavior Analytics)
  • +Smart Timelines for investigations
  • +Insider threat detection
  • +SIEM (logs and correlation)
  • +SOAR automation
  • +Cloud-native architecture
  • +Risk scoring
  • +Pre-built use case packs
350+ integrations
Microsoft 365AWSGCPOktaCrowdStrike
Geography
Global
#7

Sumo Logic Cloud SIEM

Logs-led security with cloud-native architecture.

Founded 2010 · Redwood City, CA · pe backed · 200–10,000 employees
G2 4.3 (380)
Capterra 4.3
Custom quote
◐ Partial disclosure
Visit Sumo Logic Cloud SIEM

Sumo Logic Cloud SIEM extends Sumo Logic's log analytics platform into security. Best-fit for organizations where log analytics is the broader observability need and security is one use case. Same product covered in our Top 10 APM, different evaluation framework here for security operations.

Best for

Mid-market and enterprise teams (200-5,000 employees) where log analytics is the primary observability need with security as a useful complement.

Worst for

Pure-play SIEM buyers (Splunk or Microsoft Sentinel better), modern engineering-led teams, or anyone concerned about PE changes.

Strengths

  • Cloud-native architecture from day one
  • Log analytics heritage
  • Combined observability + security use cases
  • Mature high-volume log ingestion
  • Pre-built security packs

Weaknesses

  • SIEM less mature than Splunk
  • PE-driven roadmap concerns
  • Brand momentum slowed
  • Customer support variable
  • Pricing requires sales engagement at higher tiers

Pricing tiers

partial
  • Cloud SIEM Enterprise
    Industry estimate $80K-$300K annually
    Quote
Watch for
  • · Volume overage pricing
  • · Multi-year contracts at higher tiers

Key features

  • +Cloud SIEM with log analytics
  • +Cloud-native architecture
  • +Pre-built security packs
  • +AI assistant
  • +High-volume log ingestion
  • +SOAR via Sumo Logic SOAR
  • +Threat hunting
  • +Custom dashboards
250+ integrations
AWSGCPAzureKubernetesSplunk
Geography
Global
#8

Rapid7 InsightIDR

Mid-market SIEM with native vulnerability management.

Founded 2011 · Boston, MA · public · 100–5,000 employees
G2 4.4 (280)
Capterra 4.5
Custom quote
◐ Partial disclosure
Visit Rapid7 InsightIDR

Rapid7 InsightIDR is the SIEM component of the Rapid7 Insight platform, combined with InsightVM (vulnerability management) and InsightAppSec (application security). Best-fit for mid-market security teams that want SIEM + vulnerability management on one platform without enterprise-tier complexity. Trade-offs: SIEM less customizable than Splunk, smaller ecosystem than Microsoft Sentinel.

Best for

Mid-market security teams (100-2,000 employees) wanting SIEM + vulnerability management on one platform without enterprise complexity.

Worst for

Mature SOCs needing Splunk-level customization, Microsoft-anchored orgs (Sentinel cheaper), or large enterprises (Splunk or Microsoft win).

Strengths

  • Combined SIEM + vulnerability management
  • Strong mid-market fit (100-2,000 employees)
  • Cloud-native architecture
  • Public company financial transparency
  • User Behavior Analytics (UBA) included
  • Mature partner ecosystem

Weaknesses

  • SIEM less customizable than Splunk
  • Smaller ecosystem than Microsoft Sentinel
  • AI features less mature than Securonix
  • Support response times vary
  • Best-fit ceiling around 5,000 employees

Pricing tiers

partial
  • InsightIDR
    Industry estimate ~$5-$10/asset/month
    Quote
  • InsightIDR Ultimate
    Industry estimate $15-$25/asset/month with extended retention
    Quote
Watch for
  • · InsightVM (vulnerability management) priced separately
  • · Multi-year contracts standard

Key features

  • +Cloud SIEM
  • +User Behavior Analytics (UBA)
  • +Endpoint detection and response
  • +Threat intelligence integration
  • +Combined with InsightVM (vulnerability management)
  • +Pre-built detection rules
  • +Investigations workflow
  • +Mobile apps
200+ integrations
AWSAzureOktaCrowdStrikeMicrosoft Defender
Geography
Global
#6

IBM QRadar

Long-standing IBM enterprise SIEM with mainframe integration.

Founded 2001 · Armonk, NY (IBM HQ) · public · 1,000–100,000+ employees
G2 4.0 (480)
Capterra 4.1
Custom quote
○ Sales call required
Visit IBM QRadar

IBM QRadar is one of the longest-standing enterprise SIEM platforms. Acquired by IBM in 2011 for $1.4B. Best-fit for traditional enterprises with IBM mainframe integration needs and existing IBM Security Suite (QRadar SIEM, QRadar SOAR, QRadar XDR). Trade-offs: brand momentum has slowed, pricing high, IBM Security divestiture sale to Palo Alto Networks (announced 2024) creates uncertainty.

Best for

Traditional enterprises (banks, insurance, government) with IBM mainframe integration needs and existing IBM Security Suite footprint.

Worst for

Modern cloud-native organizations (Microsoft Sentinel wins), Splunk-anchored SOCs, or anyone affected by Palo Alto acquisition uncertainty.

Strengths

  • Long-standing enterprise SIEM (founded 2001)
  • Tightest IBM mainframe integration
  • Made for traditional enterprises (banks, government)
  • Mature compliance reporting
  • IBM Security Suite integration

Weaknesses

  • Brand momentum slowed since IBM Security divestiture announcement
  • Pricing high
  • UI feels older than next-gen SIEMs
  • Implementation complex
  • Palo Alto acquisition (announced 2024) creates roadmap uncertainty
  • Customer support flagged through transitions

Pricing tiers

opaque
  • On-premises
    Industry estimate $100K-$500K annually
    Quote
  • On-Cloud (IBM Cloud)
    Industry estimate $200K-$2M+ annually
    Quote
Watch for
  • · IBM Security Suite licensing
  • · Multi-year contracts standard
  • · Implementation services

Key features

  • +Events-per-second based licensing
  • +Tightest IBM mainframe integration
  • +Compliance reporting (PCI, HIPAA, SOX)
  • +IBM Security Suite integration
  • +X-Force threat intelligence
  • +On-prem or cloud deployment
  • +Custom dashboards
  • +Threat hunting features
400+ integrations
IBM Cloud SecurityIBM mainframesAWSAzureGCPMicrosoft 365
Geography
Global
#9

Devo

Real-time analytics on petabyte-scale data.

Founded 2011 · Boston, MA · private · 1,000–100,000+ employees
G2 4.5 (180)
Capterra 4.5
Custom quote
○ Sales call required
Visit Devo

Devo is the SIEM built for hyper-scale data, real-time analytics on petabyte-scale logs without the data tiering complexity of Splunk. Best for MSSPs and enterprises with extreme data volumes. Trade-offs: pricing opaque, brand recognition lower than Splunk, smaller ecosystem.

Best for

MSSPs and enterprises (1,000+ employees) with extreme data volumes (petabyte-scale) where Splunk's data tiering complexity is the bottleneck.

Worst for

Mid-market under 500 employees, organizations without dedicated data engineering, or anyone wanting transparent pricing.

Strengths

  • Real-time analytics on petabyte-scale data
  • No data tiering complexity
  • Right call for MSSPs and high-data-volume enterprises
  • 400 days hot data retention
  • Modern UX

Weaknesses

  • Pricing opaque
  • Brand recognition lower than Splunk
  • Smaller ecosystem
  • Implementation requires data architecture expertise
  • Support is hit-or-miss

Pricing tiers

opaque
  • Devo SIEM
    Industry estimate $100K-$1M+ annually
    Quote
Watch for
  • · Multi-year contracts standard
  • · Implementation services

Key features

  • +Real-time analytics
  • +400 days hot data retention
  • +Petabyte-scale ingestion
  • +Pre-built use case packs
  • +AI features
  • +Custom dashboards
  • +API for custom workflows
  • +Multi-tenant for MSSPs
200+ integrations
AWSAzureGCPSplunkCrowdStrike
Geography
Global
#10

LogRhythm

On-prem legacy SIEM with co-managed services.

Founded 2003 · Boulder, CO · private · 500–10,000+ employees
G2 4.0 (280)
Capterra 4.1
Custom quote
○ Sales call required
Visit LogRhythm

LogRhythm is one of the longest-standing SIEM platforms (founded 2003), known for on-premises deployment and co-managed services for resource-limited SOCs. Merged with Exabeam in 2024 to create combined SIEM + UEBA platform. Trade-offs: on-prem heritage feels older than cloud-native competitors, post-merger product roadmap settling, brand momentum slowed.

Best for

Traditional enterprises (banks, government, healthcare) requiring on-premises SIEM deployment with co-managed services for resource-limited SOCs.

Worst for

Cloud-native organizations, modern SOCs (any cloud-native SIEM wins), or anyone affected by post-merger uncertainty.

Strengths

  • Long-standing SIEM (founded 2003)
  • On-premises deployment option
  • Co-managed services for resource-limited SOCs
  • Works for traditional enterprises
  • Mature compliance reporting

Weaknesses

  • On-prem heritage feels older than cloud-native
  • Post-Exabeam merger roadmap settling
  • Brand momentum slowed
  • UI dated
  • Uneven support quality

Pricing tiers

opaque
  • On-Premises
    Industry estimate $80K-$500K annually
    Quote
  • Cloud
    Industry estimate $100K-$300K annually
    Quote
Watch for
  • · Co-managed services priced separately
  • · Multi-year contracts standard

Key features

  • +On-premises or cloud SIEM
  • +Co-managed services
  • +Compliance reporting
  • +AI Engine for detection
  • +CloudAI integration
  • +Threat intelligence
  • +Custom dashboards
  • +SOAR integration
250+ integrations
Microsoft 365AWSCisco network monitoringCrowdStrikeOkta
Geography
Global

Frequently asked questions

The questions buyers actually ask before they sign.

How does the SOCI Act 2018 affect Aussie SIEM tooling selection?
SOCI-covered entities (across 11 critical-infrastructure sectors) must maintain a Critical Infrastructure Risk Management Program. SIEM and SOC capability are central to CIRMP cyber controls. Mandatory cyber-incident reporting to CISC within 12-72 hours applies. SOCI does not mandate specific SIEM products, but the Department of Home Affairs and CISC expect demonstrable detection, retention and response capability. Splunk ES, Microsoft Sentinel, Securonix and Google SecOps all support SOCI-aligned deployments with appropriate retention and run-book configurations.
Splunk vs Sentinel for an Aussie 2,000-person bank?
Splunk for legacy and complex on-prem environments with deep custom rules and existing SOC playbooks built up over many years, which describes most Big Four banks. Sentinel for cloud-first or Microsoft-heavy environments where Defender XDR integration is the differentiator and Aussie data residency in Azure Australia East or Australia Central simplifies sovereign requirements. Most Big Four banks run Splunk for the core SOC and Sentinel for Azure-native workloads, a common Aussie hybrid pattern.
Do Aussie SOCs prefer in-house or CyberCX-managed SIEM?
Roughly evenly split at mid-market and below. CyberCX runs the largest Aussie MSSP SOC and operates Splunk, Sentinel, Securonix and Google SecOps for Aussie buyers across most ASX 200, government and critical-infrastructure operators. In-house SOCs cluster at Big Four banks, Telstra, Optus and the largest ASX 50 firms. The Aussie MSSP market is mature, with Macquarie Government Cloud, BAE Systems Applied Intelligence and ASX-listed firms inside CyberCX covering the rest.
Does federal-government use require IRAP-assessed SIEM?
PROTECTED-level workloads at Defence, Services Australia, DTA, ATO and ASD require IRAP-assessed processing. Microsoft Sentinel on Azure Australia Central, Splunk Cloud Australia and selected Google SecOps deployments have IRAP coverage at PROTECTED. SECRET-tier workloads require additional accreditation and typically run on Defence-controlled infrastructure rather than commercial SaaS SIEM.
Splunk vs Microsoft Sentinel, which one?
Splunk if you have a mature SOC running custom detection engineering with SPL programmability. Microsoft Sentinel if you're Microsoft 365 + Azure-anchored, free ingestion for Microsoft data sources dramatically reduces TCO. At $200K+ annual spend, Sentinel often comes in 40-60% cheaper for Microsoft-anchored orgs.
How much should I budget for SIEM?
Mid-market (200-1,000 employees): $50K-$300K annually. Enterprise (1,000-5,000): $300K-$1.5M annually. Large enterprise (5,000-50,000): $1.5M-$15M annually. Add 0.5x-2x first-year for implementation. SIEM TCO is heavily driven by data ingestion volume; reducing log volume is the #1 cost lever.
How long does SIEM implementation take?
Microsoft Sentinel: 4-12 weeks for Microsoft-anchored orgs. Google SecOps: 4-12 weeks. Sumo Logic, Rapid7: 4-12 weeks. Exabeam, Securonix, Devo: 8-16 weeks. Splunk Enterprise Security: 12-32+ weeks for Fortune 500. IBM QRadar, LogRhythm: 16-32 weeks.
Should I pick standalone SIEM or integrated SecOps platform?
Standalone SIEM (Splunk, IBM QRadar): better when you have separate UEBA, SOAR, threat intel investments and want best-in-class SIEM. Integrated SecOps (Microsoft Sentinel, Google SecOps, Securonix, Exabeam, Rapid7): better when you're consolidating multiple security tools to reduce vendor sprawl. The 2026 trend strongly favors consolidation.
How does SIEM pricing actually work?
Per-GB ingestion (Splunk on-prem, Microsoft Sentinel default): pay for data volume. Per-EPS (events per second; IBM QRadar): pay for event volume. Per-employee (Google SecOps): predictable scaling. Per-asset (Rapid7): predictable scaling. Free Microsoft data on Sentinel for Microsoft 365 + Azure customers is a huge cost benefit.
What about MSSPs and co-managed SOC?
For organizations without dedicated SOC capacity, MSSPs (Mandiant, CrowdStrike, Arctic Wolf, etc.) provide co-managed services on top of underlying SIEM platforms. LogRhythm and Devo have strong MSSP heritage. Microsoft Sentinel + Defender supports many MSSPs. Splunk + partner network is enterprise default.
Can I evaluate via free trial?
Microsoft Sentinel: 31-day free trial + free Microsoft data ingestion. Google SecOps: 15-day free trial. Splunk Enterprise Security: 14-day. Rapid7: 30-day. Sumo Logic: 30-day. Demo only: Exabeam, Securonix, IBM QRadar, Devo, LogRhythm.
How does AI fit into SIEM?
AI in SIEM 2026: (1) UEBA, Exabeam, Securonix, Splunk UBA. (2) Detection authoring, Microsoft Sentinel Copilot, Google Duet AI. (3) Investigation acceleration, Smart Timelines (Exabeam), Microsoft Security Copilot. (4) Autonomous SOC, Securonix, Sumo Logic AI. AI is moving from differentiator to baseline expectation in 2026.

Final word

Looking at a different market? See the global SIEM Software ranking, or pick another country at the top of this page.

Last updated 2026-05-24. Local pricing reverified quarterly. Found something inaccurate? Tell us.