What is Vulnerability Scanning?
Vulnerability scanning is the automated process of identifying security weaknesses in systems, applications, and networks. It's a key component of Cyber Essentials Plus certification.
Types of Vulnerability Scans
Network Vulnerability Scans
These scans examine network infrastructure, including routers, switches, firewalls, and servers for security weaknesses and misconfigurations.
Web Application Scans
Specialised scans that test web applications for common vulnerabilities like SQL injection, cross-site scripting (XSS), and authentication flaws.
Database Scans
Focus on database security, checking for default passwords, excessive privileges, and known database vulnerabilities.
Vulnerability Assessment Process
Scanning Methodology
- Asset Discovery:Identify all systems and services on the network
- Port Scanning:Determine open ports and running services
- Vulnerability Detection:Identify known vulnerabilities in discovered services
- Risk Assessment:Evaluate and prioritise identified vulnerabilities
Popular Scanning Tools
Commercial Tools
- Nessus: Comprehensive vulnerability scanner
- Qualys VMDR: Cloud-based vulnerability management
- Rapid7 InsightVM: Vulnerability management platform
Open Source Tools
- OpenVAS: Free vulnerability assessment tool
- Nmap: Network discovery and security auditing
- OWASP ZAP: Web application security scanner
Integration with Patch Management
Effective vulnerability management requires close integration with patch management processes to ensure identified vulnerabilities are remediated promptly.
Vulnerability-Driven Patching
- Risk-based prioritisation: Focus on high-risk vulnerabilities first
- Automated correlation: Match vulnerabilities to available patches
- Patch verification: Confirm vulnerabilities are resolved after patching
Cyber Essentials Plus Requirements
CE+ includes vulnerability scanning as part of the technical verification process:
- External scans: Identify vulnerabilities visible from the internet
- Internal scans: Assess internal network security
- Remediation validation: Confirm vulnerabilities are properly addressed
- Documentation: Maintain records of scan results and remediation actions
Need Vulnerability Scanning Services?
Get professional vulnerability scanning and assessment services for Cyber Essentials Plus compliance.