What is a Vulnerability Assessment? A vulnerability assessment is a periodic review of security weaknesses in an information system. It estimates if the system is susceptible to any comprehended vulnerabilities, allocates severity levels to those vulnerabilities, and suggests remediation or mitigation , if and whenever required. Also, using a risk-based method, vulnerability assessments may target different layers of technology and systems, the most common being host-, network, and application-layer, the infrastructure of network reviews. There are several types of vulnerability assessments. These include: Host-based assessment – The review of critical servers, which may be vulnerable to attacks if not adequately tested or not generated from a tested machine image. Network and wireless assessment – The assessment of policies and practices to prevent unauthorized access to private or public networks and network-accessible resources. Database assessment – The assess...