Attack Surface Inventory
External assets, public servers, databases, and services.
Orange County Vulnerability Management
External Vulnerability and Attack Surface Management Assessment
Use this external vulnerability and attack surface management to identify gaps across asset and authentication coverage, finding validation and false positives, and exploitability and business context. Treat the result as initial guidance and validate material findings through a professional review.
CISO-led guidance from Ali Hassani, backed by 25+ years of IT, cybersecurity, compliance, and infrastructure experience.
Professional Intro
What this external audit tool reviews
External vulnerability and attack surface management keeps public exposure visible over time. This tool helps teams review scanning coverage, remediation ownership, exploitable vulnerabilities, and whether new external assets are caught quickly.
This free tool gives an initial readiness view based only on your answers. It helps identify practical gaps, missing evidence, and next steps before a deeper external security audit, vulnerability assessment, penetration test, or vCISO review.
Scanning and Prioritization
Recurring scans, known exploited vulnerabilities, TLS weakness, and exposure.
Remediation Management
Ownership, SLAs, exceptions, and reporting.
Attack-Surface Review Guidance
What to validate before a formal attack-surface review
Effective attack-surface management connects asset discovery, vulnerability context, ownership, remediation deadlines, and verified closure. Business owners, IT managers, CISOs, and compliance leaders can use this guidance to identify the evidence that should be validated before an audit, cyber insurance review, or remediation project.
Use this page to identify evidence gaps, weak configurations, missing ownership, and remediation priorities related to internet-facing assets, vulnerability scanning cadence, exposure tracking, remediation SLAs, and certificate hygiene. The strongest result comes from comparing the answers against real evidence such as screenshots, exported settings, logs, tickets, policies, diagrams, vendor records, backup reports, access reviews, and recent remediation activity.
What this assessment reviews
- Public domains, IP addresses, cloud resources, ports, certificates, and exposed applications
- External vulnerability scan cadence, ownership, severity rating, and remediation tracking
- Known exploited vulnerabilities, unsupported services, weak TLS, and exposed management ports
- Evidence that remediation is validated after patching or configuration change
Technical areas to validate
- Reconcile scanner results with DNS, registrar, cloud, firewall, CDN, and certificate records
- Assign owners and SLAs based on exploitability, internet exposure, business criticality, and data sensitivity
- Retest findings after remediation and preserve before/after evidence for audit and cyber insurance reviews
- Track exceptions with compensating controls, expiration dates, and leadership visibility
Implementation should start with a clear control owner, a documented current state, and a short remediation backlog. Prioritize gaps that affect internet exposure, privileged access, regulated data, business continuity, audit evidence, ransomware resilience, or executive risk reporting. Where a gap cannot be fixed quickly, document the exception, business owner, compensating control, and review date.
This tool is for initial guidance only and does not replace a professional cybersecurity audit, compliance assessment, penetration test, technical validation, or legal/compliance review. For a deeper review, use the result as a starting point for an OC Security Audit engagement with Ali Hassani, CISO, or request help through OC Security Audit contact.
Created by OC Security Audit
Guided by Ali Hassani, CISO
Ali Hassani brings 25+ years of cybersecurity, compliance, network security, Microsoft 365 security, cloud security, firewall security, vulnerability management, incident response, and risk assessment experience. His background includes CISSP, CCISO, CCNP, MCSE, MCSA Security, MCITP, MCP, and MCTS credentials.
Free Self-Assessment
Build your external audit readiness score
Select the sections you want to review, answer the questions, then generate a results-only readiness report with charts, gaps, and recommendations.
Assessment Questions
What the Report Shows
How to use your score
The output may show your overall external audit readiness score, internet-facing security gaps, missing documentation, weak external controls, priority remediation areas, and suggested consulting next steps. Use it as a starting point for evidence gathering and risk reduction.
Helpful Resources
Authoritative external guidance
Disclaimer: This free External Audit Tool is an introductory self-assessment based only on the answers provided by the user. It is not a full external security audit, compliance certification, penetration test, vulnerability assessment, technical validation, or final professional opinion. For formal review, compliance readiness, security remediation, technical validation, or executive reporting, a professional external cybersecurity assessment by OC Security Audit is recommended.
Need a deeper external security audit?
OC Security Audit can help assess public exposure, website and DNS risk, cloud and SaaS exposure, remote access security, external vulnerabilities, vendor portals, and incident readiness.