Vulnerability Assessment & Management — Continuous, Risk-Prioritised
Over 29,000 CVEs were published last year and the average time to exploitation has dropped to 15 days. Without continuous vulnerability assessment and systematic remediation, your attack surface grows faster than your team can patch — leaving dangerous gaps attackers actively scan for every day.
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What is Vulnerability Assessment & Management?
Vulnerability Assessment and Management is a continuous security process that identifies, classifies, risk-prioritises, and tracks the remediation of software and configuration vulnerabilities across an organisation's infrastructure, cloud, and container environments.
Why You Need Continuous Vulnerability Management
New vulnerabilities are published daily — over 29,000 CVEs in 2023, up 15% year over year, and the trend is accelerating. The average time from vulnerability disclosure to active exploitation has dropped from 45 days to just 15 days, and for critical vulnerabilities with public exploits it is often hours. Without continuous vulnerability assessment and management, your attack surface grows faster than your team can patch. Point-in-time assessments become outdated within weeks, leaving dangerous gaps that attackers actively scan for.
Opsio's vulnerability management service provides continuous automated scanning using industry-leading tools — Qualys VMDR, Tenable Nessus and Tenable.io for infrastructure; AWS Inspector, Azure Defender, and GCP Security Command Center for cloud workloads; and Trivy, Grype, and Snyk for container images and open-source dependencies. Our multi-tool approach ensures complete coverage across servers, endpoints, cloud configurations, containers, and applications.
Without a managed vulnerability assessment programme, organisations accumulate thousands of unpatched vulnerabilities with no clear way to prioritise them. Security teams waste time on low-risk findings while critical exploitable vulnerabilities sit in remediation backlogs for months. The result is compliance audit failures, increased breach risk, and security teams drowning in scan data instead of reducing actual risk.
Every Opsio vulnerability management engagement includes continuous automated scanning across your full asset inventory, risk-based prioritisation using CVSS scores combined with CISA Known Exploited Vulnerabilities (KEV) data and asset criticality, assigned remediation owners with defined SLAs by severity, progress tracking dashboards, automated escalation workflows, and compliance-ready reporting mapped to your regulatory frameworks.
Common vulnerability management challenges we solve: scan data overload where teams receive thousands of findings with no clear priority, remediation backlogs where critical vulnerabilities sit unfixed for months, incomplete asset coverage where shadow IT and cloud resources go unscanned, container vulnerabilities in CI/CD pipelines reaching production, and compliance reporting that requires manual spreadsheet work instead of automated dashboards.
Following vulnerability management best practices, our initial assessment evaluates your current scanning coverage, prioritisation methodology, remediation SLA performance, and compliance gaps. We use proven vulnerability assessment tools — Qualys, Tenable, AWS Inspector, Trivy — selected for your specific environment. Whether you are building a vulnerability management programme from scratch or scaling an existing one, Opsio delivers the operational expertise to transform raw scan data into systematic risk reduction. Wondering about vulnerability assessment cost or whether to build in-house versus engage managed services? Our assessment provides a clear answer with a tailored programme design.
How We Compare
| Capability | DIY / Ad-hoc Scanning | Generic MSSP | Opsio Managed VM |
|---|---|---|---|
| Scanning coverage | Partial, manual setup | Single tool | ✅ Multi-tool, full asset coverage |
| Risk prioritisation | Raw CVSS only | Basic severity filtering | ✅ CVSS + KEV + EPSS + business context |
| Remediation tracking | Spreadsheets | Ticket creation only | ✅ Full lifecycle with SLA enforcement |
| Container scanning | None or manual | Basic | ✅ CI/CD integrated with Trivy/Grype |
| Compliance reporting | Manual | Generic reports | ✅ Multi-framework mapped dashboards |
| Remediation support | Your team only | Guidance only | ✅ Direct remediation for managed infra |
| Typical annual cost | $50-100K (tools + 1 FTE) | $30-60K (scanning only) | $24-96K (fully managed) |
What We Deliver
Continuous Vulnerability Scanning
Automated vulnerability assessment of infrastructure, applications, containers, and cloud configurations using Qualys VMDR, Tenable.io, AWS Inspector, Azure Defender, and GCP SCC. Scans run continuously or on defined schedules with automatic asset discovery ensuring nothing goes unscanned — including ephemeral cloud resources and container workloads.
Risk-Based Prioritisation
Not all vulnerabilities are equal. Our vulnerability management process prioritises using CVSS v3.1 base and environmental scores, CISA Known Exploited Vulnerabilities (KEV) catalog data, EPSS exploit prediction scoring, asset criticality classifications, and network exposure analysis — focusing remediation effort on what actually poses business risk.
Remediation Tracking & SLA Management
Assigned remediation owners, defined SLAs by severity (critical: 48h, high: 7d, medium: 30d, low: 90d), progress tracking dashboards, automated escalation workflows, and management notifications. Our vulnerability management ensures findings do not linger in backlogs — with clear accountability from detection through verified closure.
Cloud Configuration Assessment
Continuous vulnerability assessment of AWS, Azure, and GCP configurations against CIS benchmarks using cloud-native tools. Detect IAM misconfigurations, unencrypted storage, publicly exposed services, overly permissive security groups, and insecure defaults across your entire multi-cloud estate with automated remediation for critical findings.
Container & Image Scanning
Scan Docker images and running containers for known vulnerabilities using Trivy, Grype, and Snyk integrated directly into CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins). Block vulnerable images from deployment, track base image freshness, and monitor running containers for newly discovered CVEs post-deployment.
Compliance Reporting & Dashboards
Automated vulnerability management reports mapped to ISO 27001 Annex A.8.8, NIS2 vulnerability handling, NIST SP 800-40, PCI DSS Requirement 6 and 11, and SOC 2 CC7.1 with audit-ready evidence packages, trend dashboards, and executive summaries showing risk posture improvements over time.
Ready to get started?
Get Your Free AssessmentWhat You Get
“Opsio's focus on security in the architecture setup is crucial for us. By blending innovation, agility, and a stable managed cloud service, they provided us with the foundation we needed to further develop our business. We are grateful for our IT partner, Opsio.”
Jenny Boman
CIO, Opus Bilprovning
Investment Overview
Transparent pricing. No hidden fees. Scope-based quotes.
Initial Assessment
$5,000–$12,000
One-time baseline
Continuous Scanning & Management
$2,000–$8,000/mo
Ongoing operations
Remediation Support
$3,000–$10,000/mo
Hands-on fixes
Pricing varies based on scope, complexity, and environment size. Contact us for a tailored quote.
Questions about pricing? Let's discuss your specific requirements.
Get a Custom QuoteWhy Choose Opsio
Beyond scanning to remediation
We prioritise vulnerabilities by real exploitability risk and track remediation all the way to verified closure.
Multi-tool comprehensive coverage
Qualys, Tenable, AWS Inspector, Trivy, and cloud-native scanners — the right tool for each asset type.
Business context in prioritisation
Asset criticality and business impact factor into every risk ranking, not just raw CVSS scores alone.
Remediation support included
We provide specific fix guidance and perform direct remediation for managed infrastructure environments.
Compliance-mapped from day one
Vulnerability reports align to ISO 27001, NIS2, NIST, PCI DSS, and SOC 2 requirements automatically.
Executive dashboards and trends
Clear, actionable dashboards showing risk posture trends, SLA compliance, and remediation velocity metrics.
Not sure yet? Start with a pilot.
Begin with a focused 2-week assessment. See real results before committing to a full engagement. If you proceed, the pilot cost is credited toward your project.
Our Delivery Process
Asset Discovery & Inventory
Comprehensive discovery and classification of all assets — servers, endpoints, containers, cloud resources, APIs, and applications — establishing the complete scope for vulnerability scanning. Timeline: 1-2 weeks.
Scanner Deployment & Configuration
Deploy and configure Qualys, Tenable, cloud-native scanners, and container scanning tools tailored to your environment. Define scan schedules, authentication credentials, and exclusion windows. Timeline: 1-2 weeks.
Prioritisation & SLA Framework
Establish risk-based prioritisation methodology combining CVSS, KEV, EPSS, and asset criticality. Define remediation SLAs, assign ownership, and configure escalation workflows. Timeline: 1 week.
Continuous Management & Reporting
Ongoing scanning, remediation tracking, SLA enforcement, compliance reporting, and monthly vulnerability management reviews with trend analysis and risk reduction metrics. Timeline: Ongoing.
Key Takeaways
- Continuous Vulnerability Scanning
- Risk-Based Prioritisation
- Remediation Tracking & SLA Management
- Cloud Configuration Assessment
- Container & Image Scanning
Industries We Serve
Financial Services
PCI DSS vulnerability management and DORA ICT risk requirements compliance.
Healthcare
HIPAA technical safeguard compliance for systems handling protected health data.
Technology & SaaS
Continuous vulnerability management integrated with agile development CI/CD cycles.
Critical Infrastructure
NIS2 vulnerability handling obligations for essential and important entities.
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Vulnerability Assessment & Management — Continuous, Risk-Prioritised FAQ
What is vulnerability assessment and management?
Vulnerability assessment and management is a continuous security process that identifies, classifies, prioritises, and tracks the remediation of software vulnerabilities and configuration weaknesses across your entire IT infrastructure and cloud environments. It combines automated scanning tools (Qualys, Tenable, cloud-native scanners) with risk-based prioritisation and systematic remediation tracking to reduce your attack surface methodically. Unlike point-in-time assessments, continuous vulnerability management ensures your security posture improves steadily rather than degrading between audit cycles.
How much does vulnerability assessment cost?
An initial vulnerability assessment engagement runs $5,000-$12,000 depending on environment size. Continuous scanning and management services cost $2,000-$8,000/month including tool licensing, scanning operations, risk prioritisation, remediation tracking, and compliance reporting. Optional hands-on remediation support adds $3,000-$10,000/month. Most organisations find managed vulnerability assessment 40-60% cheaper than building an equivalent in-house programme when factoring in tool licenses, analyst salaries, and operational overhead. For example, Qualys or Tenable licensing alone can cost $20,000-$50,000 annually before adding the staff needed to operate scanners, triage findings, and drive remediation across teams.
How long does it take to set up a vulnerability management programme?
A production-ready vulnerability management programme takes 3-5 weeks to establish. Week 1-2: asset discovery and scanner deployment across servers, endpoints, and cloud resources. Week 2-3: scan configuration, baseline scanning, and initial findings triage to separate genuine risks from false positives. Week 3-5: SLA framework establishment, dashboard configuration, and first remediation cycle. Critical vulnerabilities identified during initial scanning are escalated immediately — you do not wait for the programme to be fully operational before addressing urgent risks. Throughout setup, we document your asset inventory and establish risk-based prioritisation criteria tailored to your business context and regulatory requirements.
What is the difference between vulnerability assessment and penetration testing?
Vulnerability assessment is continuous, automated scanning that identifies known vulnerabilities at scale across your entire infrastructure — providing breadth of coverage. Penetration testing is periodic, manual testing where certified ethical hackers attempt to exploit vulnerabilities and chain findings — providing depth of analysis. Assessment tells you what is vulnerable; pen testing proves what is exploitable. Both are essential components of a mature security programme and complement each other. For example, a vulnerability scan might flag 500 findings, while a penetration test reveals which ten of those are actually exploitable in your specific environment and could lead to data compromise or system takeover.
Do I need vulnerability management if I already patch regularly?
Yes — patching alone is necessary but insufficient. Vulnerability management addresses configuration weaknesses that patches do not fix, such as misconfigurations, default credentials, and overly permissive access rules. It prioritises which patches matter most based on exploitability and business context, tracks remediation to ensure patches are actually applied across all systems, covers cloud configurations and container images that traditional patching does not address, and provides the compliance evidence auditors require. For instance, many breaches exploit known vulnerabilities that were patched by the vendor months earlier but never applied by the organisation due to lack of visibility and tracking.
What vulnerability scanning tools does Opsio use?
Our vulnerability assessment toolkit includes Qualys VMDR for enterprise infrastructure scanning, Tenable Nessus and Tenable.io for network and application assessment, AWS Inspector for AWS workloads, Azure Defender for Cloud for Azure resources, GCP Security Command Center for Google Cloud, Trivy and Grype for container image scanning, and Snyk for open-source dependency analysis. We select the optimal combination based on your environment, compliance requirements, and existing tool investments. Where clients already have scanner licenses, we integrate with those tools rather than requiring replacements, ensuring maximum value from your current security technology spend while filling coverage gaps.
How do you prioritise vulnerabilities?
We use a multi-factor risk-based approach: CVSS v3.1 base score for technical severity, CISA Known Exploited Vulnerabilities (KEV) catalog for confirmed exploitation in the wild, EPSS (Exploit Prediction Scoring System) for exploitation likelihood, asset criticality based on business impact, network exposure and accessibility, and existing compensating controls. This produces a business-relevant risk ranking that ensures your team remediates the most dangerous vulnerabilities first — not just the ones with the highest CVSS score.
How often should vulnerability scans run?
We recommend continuous or weekly scanning for critical infrastructure, servers, and cloud configurations. Container images should be scanned on every build in CI/CD pipelines. Monthly scans are acceptable for lower-risk internal systems. Cloud configurations should be monitored continuously for drift. PCI DSS requires quarterly external ASV scans, but best practice is much more frequent. Our scanning schedules are tailored to your risk tolerance and compliance requirements. Importantly, scan frequency should also account for your patch cycle timing — scanning immediately after patch windows verifies successful remediation, while mid-cycle scans catch newly disclosed vulnerabilities before the next scheduled maintenance window.
Can vulnerability management help with compliance?
Absolutely. Our vulnerability assessment and management service produces compliance-mapped reports for ISO 27001 (Annex A.8.8), NIS2 (vulnerability handling), NIST SP 800-40, PCI DSS (Requirements 6 and 11), SOC 2 (CC7.1), and HIPAA (technical safeguards). We provide audit-ready evidence packages, remediation timelines, SLA compliance metrics, and trend dashboards that demonstrate continuous security improvement to auditors and regulators. For example, auditors reviewing ISO 27001 can see exactly how technical vulnerabilities are identified, prioritised, and remediated within defined SLAs — providing the documented evidence trail that satisfies Annex A control requirements without additional preparation work.
What metrics should I track for vulnerability management?
Key vulnerability management metrics include: mean time to remediate (MTTR) by severity level, SLA compliance percentage, vulnerability backlog age distribution, scan coverage percentage across all assets, remediation velocity measured as vulnerabilities closed per month, risk score trend over time, and percentage of CISA KEV vulnerabilities remediated within 48 hours. Opsio provides monthly reporting on all these metrics with benchmarking against industry peers and clear improvement trajectories. These metrics enable data-driven conversations with leadership about security investment priorities and help demonstrate measurable programme maturity improvement to auditors, regulators, and cyber insurance underwriters during renewal assessments.
Still have questions? Our team is ready to help.
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Vulnerability Assessment & Management — Continuous, Risk-Prioritised
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