Cybersecurity · head to head
LogRhythm SIEM vs Nessus
LogRhythm SIEM
Cybersecurity
AI-powered SIEM platform for modern security operations
- From
- On request
- Rated
- -
Nessus
Cybersecurity
The most trusted vulnerability assessment solution
- From
- $4790/year
- Rated
- -
The short version
- Each has a real cost: LogRhythm SIEM no pricing published; sales contact required; Nessus nessus Professional is $4,790 for one year, with no free or low cost commercial tier
- They diverge on capability: LogRhythm SIEM covers AI-driven analytics, Nessus covers Vulnerability scanning.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which LogRhythm SIEM and Nessus actually diverge.
| Attribute | LogRhythm SIEM | Nessus |
|---|---|---|
| Starting price | On request | $4790/year |
| Platforms | Web, Api | Desktop, Api |
| Founded | 2003 | 2002 |
Identical on both: pricing model (subscription), free tier (No), user rating (Not yet rated), category (Cybersecurity).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in LogRhythm SIEM
- AI-driven analytics
- UEBA
- NDR integration
- SOAR automation
- Threat lifecycle management
- Case management
- Compliance reporting
- Embedded playbooks
Only in Nessus
- Vulnerability scanning
- Configuration auditing
- Malware detection
- Web application scanning
- Cloud scanning
- Compliance checks
- Patch auditing
- Pre-built policies
Both cover
- AWS
- Azure
- ServiceNow
What people use each for
The jobs each tool is most often brought in to do.
LogRhythm SIEM
- Security information and event managementnot Nessus
- Threat detection and incident responsenot Nessus
- Compliance monitoring and reportingnot Nessus
- User and entity behavior analyticsnot Nessus
Nessus
- Vulnerability scanning for individual practitionersnot LogRhythm SIEM
- Enterprise vulnerability managementnot LogRhythm SIEM
- Web application security assessmentsnot LogRhythm SIEM
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
LogRhythm SIEM
- No pricing published; sales contact required
- No public information on licensing model or per-unit costs
Nessus
- Nessus Professional is $4,790 for one year, with no free or low cost commercial tier
- Multi year terms are the only discount route, at $9,330.95 for two years and $13,637.54 for three
- It is a single user scanner, so team workflows mean migrating to another Tenable product
- Tenable One vulnerability management is priced separately, starting at $3,500 a year for 100 assets
Pricing, plan by plan
LogRhythm SIEM
On request- LogRhythm SIEMFree
- Threat detection
- Log management
- Compliance
- LogRhythm AxonFree
- Cloud-native SIEM
- Self-service deployment
- Elastic scaling
- Managed Detection & ResponseFree
- 24/7 monitoring
- Expert analysts
- Threat hunting
Nessus
$4790/year- Nessus Professional$4790/year
- 1 year license
- Best for individual security professionals
- Nessus Professional 2-Year$9330.95/2 years
- 2 year license with discounted rate vs. annual
- Nessus Professional 3-Year$13637.54/3 years
- 3 year license with discounted rate vs. annual
- Nessus Expert$6790/year
- 1 year license
- Enhanced capabilities vs. Professional
Which should you pick?
Choose LogRhythm SIEM if
- You need ai-driven analytics.
- You work on Web, Api.
- You also want ueba.
Choose Nessus if
- You need vulnerability scanning.
- You work on Desktop, Api.
- You also want configuration auditing.
Questions people ask
- Is LogRhythm SIEM or Nessus better?
- Neither clearly leads. LogRhythm SIEM starts at On request and Nessus at $4790/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, LogRhythm SIEM or Nessus?
- LogRhythm SIEM starts at On request and Nessus at $4790/year.
- Does LogRhythm SIEM or Nessus run on more platforms?
- LogRhythm SIEM runs on Web, Api. Nessus runs on Desktop, Api.
- What is LogRhythm SIEM best used for?
- LogRhythm SIEM is most often used for security information and event management, threat detection and incident response, compliance monitoring and reporting, user and entity behavior analytics. Of those, security information and event management and threat detection and incident response are not what Nessus is typically brought in for.
- What can LogRhythm SIEM do that Nessus cannot?
- LogRhythm SIEM covers AI-driven analytics, UEBA, NDR integration, SOAR automation. Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning. Both handle AWS, Azure, ServiceNow.
Answered from the vendors’ own pages
LogRhythm SIEM: How does Exabeam (formerly LogRhythm SIEM) handle pricing?
Exabeam does not publish pricing on its website. To obtain pricing information, request a demo through the website or contact Exabeam's sales team directly for a personalized quote based on your deployment size and requirements.
SourceNessus: What is the cheapest Nessus option?
Nessus Professional starts at $4,790 per year for a 1-year license. Multi-year commitments offer discounts, with 2-year licenses at $9,330.95 and 3-year licenses at $13,637.54.
SourceLogRhythm SIEM: Is there a free trial or freemium version of Exabeam?
Exabeam does not advertise a free trial or freemium tier on its homepage. Interested buyers must contact the sales team to discuss trial availability and pricing options.
SourceNessus: What is the difference between Nessus Professional and Expert?
Nessus Expert costs $6,790 per year for a 1-year license (compared to $4,790 for Professional) and includes enhanced capabilities. Multi-year rates are available at discounted prices.
SourceNessus: Does Nessus offer optional support or training?
Yes, Nessus offers add-on services: Advanced Support at $400/year provides 24x365 access to phone, email, community, and chat support. On-Demand Training costs $275/year for Fundamentals course access or $385/year for both Fundamentals and Advanced courses.
SourceRelated pages
More on LogRhythm SIEM
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- Nessus vs SentinelOne Singularity
- Nessus vs CrowdStrike Falcon
- Nessus vs NordPass
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- Nessus vs Ory Kratos
- Nessus vs OWASP ZAP
- Nessus vs Palo Alto Networks Prisma Cloud
- Nessus vs Passbolt
- Nessus vs Qualys VMDR
- Nessus vs Mimecast
- Nessus vs Arnica
- Nessus vs Burp Suite
- Nessus vs Acunetix
- Nessus vs KnowBe4
- Nessus vs Rapid7 InsightVM
- Nessus vs Omada Identity
- Nessus vs Jumio
- Nessus vs Kaspersky Total Security
- Nessus vs LogicManager
- Nessus vs Mullvad VPN
- Nessus vs Private Internet Access
- Nessus vs Quantexa