Sysdig vs Tenable
- ✦ Runtime Security (Falco-based)
- ✦ Kubernetes Security
- ✦ CSPM
- ✦ Exposure Management (Tenable One)
- ✦ Cloud Security Posture
- ✦ OT/ICS Security (Tenable OT)
Sysdig and Tenable are both Cloud Security (CNAPP/CSPM) tools. Compare features, pricing, and ratings below to find the best fit for your team.
When to Choose Sysdig vs Tenable
The question that matters: “In what situation will I regret choosing A over B after 3 months?”
Sysdig's runtime drift detection flags binaries executing inside a container that were not present in the original image, catching supply chain compromises within seconds of execution.
Sysdig's ML baselines learn normal process behavior per container type, auto-tuning Falco rules to reduce false positives without requiring manual rule authoring.
Sysdig correlates CloudTrail and container events to MITRE ATT&CK tactics, surfacing a full attack chain timeline within 5 minutes of a credential compromise.
Tenable.io correlates vulnerability severity with asset criticality scores, surfacing the top 3% of vulnerabilities that pose real risk versus thousands of theoretical findings.
Tenable Identity Exposure maps Active Directory misconfigurations to known attack paths like AS-REP Roasting, showing how attackers could escalate from a standard user to Domain Admin.
Tenable Attack Surface Management discovers internet-facing assets not in the asset inventory, attributing orphaned domains and IP ranges back to the owning organization.
Pricing Comparison & PlansHigh· Verified Jul 6, 2026
Sysdig Plans
Paid plans only
Monitor Enterprise
from $36/host/moBest for: Cloud & container monitoring
- ✓$36/host/month (minimum 20 units)
- ✓Cloud & container monitoring
- ✓Time-series metrics + Cost Advisor
- ✓Overage: $0.06/host-hr, $7.00/time-series metric
CNAPP Enterprise
from $72/host/moBest for: Full cloud-native security (CNAPP)
- ✓$72/host/month (minimum 20 units)
- ✓Full cloud-native security: runtime + posture + detection & response
- ✓Real-time threat detection; prioritize in-use vulnerabilities (reduce noise up to 95%)
- ✓Overage: $0.13/host-hr, $2.50/cloud-log event
Tenable Plans
Free tier available
Nessus Essentials
FreeBest for: This free plan is ideal for individuals or small teams needing basic vulnerability scanning capabilities
- ✓Basic vulnerability scanning
- ✓Suitable for basic evaluation
- ✓Limited plugin access
Tenable Web App Scanning
Contact SalesBest for: Focusing on web application security, this plan provides dynamic and static analysis for web apps
- ✓Web application security
- ✓Cloud-based scanning
- ✓Vulnerability management for web applications
- ✓Asset tracking for web applications
Tenable One Foundation
Contact SalesBest for: Tenable One Foundation unifies vulnerability management across IT, OT, and cloud environments
- ✓Unified asset visibility
- ✓Vulnerability management
- ✓Unified risk scoring
- ✓AI discovery
- ✓Cloud workload protection
Tenable One Advanced
Contact SalesBest for: The Advanced tier of Tenable One offers enhanced exposure management with advanced analytics and attack path analysis
- ✓Integrated intelligence
- ✓Ticketing
- ✓Third-party data connectors
- ✓AI workload and agent protection
- ✓Cloud security posture management
Tenable Security Center
Contact SalesBest for: Tenable Security Center provides on-premises vulnerability management and compliance auditing
- ✓Identify and prioritize vulnerabilities
- ✓Risk-based prioritization
- ✓Centralized security management
- ✓SaaS and on-premise deployment options
- ✓Integrations and APIs for SIEM, ITSM, DevSecOps
Nessus Professional
$283/license/moBest for: Designed for professional vulnerability assessment, this plan offers advanced scanning and reporting
- ✓Real-time vulnerability updates
- ✓Unlimited vulnerability scanning
- ✓Pre-built policies for configuration audits
- ✓Compliance audits
- ✓Vulnerability scoring for prioritization
Capability Breakdown
9 differences found across 20 standardized features
- •Runtime Security (Falco-based)
- •Container Security
- •Kubernetes Security
- •CSPM
- •CWPP
- •Vulnerability Management
- •Compliance Frameworks
- •Drift Prevention
- •Network Topology
- •Identity & Access Risk
- •CDR
- •Incident Response
- •Forensics
- •IaC Scanning
- •CI/CD Integration
- •Open Source Falco
- •Vulnerability Management
- •Exposure Management (Tenable One)
- •Cloud Security Posture
- •OT/ICS Security (Tenable OT)
- •Attack Surface Management
- •Web Application Scanning
- •Container Security
- •Identity Exposure
- •Active Directory Security
- •Compliance Frameworks
- •Risk-Based Prioritization
- •Integration with Ticketing
- •Nessus Scanner (Industry Standard)
- •Asset Inventory
- •Threat Intelligence
- •API
Strengths & Limitations
Evaluative strengths and weaknesses: not feature lists
- +Creator and primary sponsor of CNCF Falco: community trust
- +Best runtime container security in the market
- +Strong Kubernetes-native architecture
- +Open source roots give strong community support
- −Sysdig Secure could improve in terms of scalability and expanding services to other areas like database monitoring and support.
- −Reporting can definitely be better.
- −Sysdig's biggest weakness is dashboarding and reporting.
- −Banks and financial institutions cannot use Sysdig Secure because it doesn't sell SaaS-hosted versions for under two hundred worki
- −I tested the solution, however, I haven't put my hands on it too much and haven't seen any issues so far.
- +43k+ customers: industry standard for vulnerability management
- +Nessus scanner is the most widely trusted vuln scanner
- +Tenable One covers cloud, OT, identity and web in one platform
- +Strong risk-based prioritization engine
- −Tenable could improve by integrating Gemini or ChatGPT for deeper analysis in risk assessment, making it easier to analyze risks w
- −The integration part is not good because five years ago, Tenable Nessus had more integration capability.
- −I would not personally speak to what other features I would like to see in future updates of Tenable Nessus; this is perhaps more
- −The most that Tenable Nessus could improve is its speed because they might have put a lot of effort into compatibility issues that
- −The user interface of Tenable Nessus feels outdated and could be more user-friendly.
At a Glance
Recent Price History
Sysdig "CNAPP Enterprise" price changed from Custom to $72/mo
Price change · Jul 6, 2026
Sysdig added a new "Monitor Enterprise" plan at $36/mo
Plan added · Jul 6, 2026
Sysdig removed the "Monitor Enterprise Host" plan
Plan removed · Jul 6, 2026
Sysdig added the "CNAPP Enterprise" plan at $72/mo
Plan added · Jun 28, 2026
Sysdig added the "Monitor Enterprise Host" plan at $36/mo
Plan added · Jun 28, 2026
Tenable updated "Nessus Professional" from $332.5/mo to Custom
Price change · May 30, 2026
Tenable added a new "Tenable One Foundation" plan (Custom pricing)
Plan added · May 30, 2026
Tenable added a new "Nessus Expert" plan (Custom pricing)
Plan added · May 30, 2026
Tenable removed the "Tenable One" plan
Plan removed · May 30, 2026
Tenable added a new "Tenable Web App Scanning" plan (Custom pricing)
Plan added · May 30, 2026
Frequently Asked Questions
Related Comparisons
Sysdigfrom $36/mo
TenableFree planSources & Data Trail · Sysdig
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-07-06)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.8/5 · 112 reviews
- 4.Capterra·Capterra verified reviews
- 5.PeerSpot·PeerSpot enterprise peer reviews
Sources & Data Trail · Tenable
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-07-02)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.5/5 · 122 reviews
- 4.Capterra·Capterra verified reviews · 4.4/5
- 5.TrustRadius·TrustRadius verified reviews
- 6.PeerSpot·PeerSpot enterprise peer reviews