How to create a Vulnerability management security team, roles & responsibilities in your organizations?
★“Vulnerability management is the cyclical practice of identifying, classifying, remediating, and mitigating vulnerabilities”.
★Vulnerability management is an integral part of computer and network security, and must not be confused with a Vulnerability assessment. We discover vulnerabilities with a vulnerability scanner, which analyzes a system in search of known vulnerabilities, like open/insecure ports, software miss configurations, and susceptibility to malware infections. Unknown vulnerabilities, like a zero-day attack, identified with fuzz testing, which might identify certain types of vulnerabilities, as a buffer overflow with relevant test cases. Test automation can facilitate such analysis.
“Vulnerability management is the cyclical practice of identifying, classifying, remediating, and mitigating vulnerabilities”.
★In computer security, a vulnerability is a weakness in the system, a threat actor can exploit the weakness, to perform unauthorized actions within organizational applications or networks. To take advantage of a vulnerability, an attacker must have a minimum of one applicable tool or technique that will be wont to identify and connect with system vulnerability. During this frame, we also know vulnerability because of the attack surface. Vulnerability management is that the cyclical practice of identifying, classifying, remediating, and mitigating vulnerabilities.
★This practice refers to software vulnerabilities in computing systems. A security risk is usually incorrectly classified as a vulnerability. Using vulnerability with the identical meaning of risk can result in confusion. the danger is that the potential of a major impact resulting from the exploit of a vulnerability.
★There are vulnerabilities without risk: when the affected asset has no value. We classify a vulnerability with one or more known instances of working and fully implemented attacks as an exploitable vulnerability — a vulnerability that an exploit exists.
1.1 Why Vulnerability Management is Important:
★Both hardware, and software applications from multiple industry vendors constantly lookout for security bugs, cause of that actions frequently ending with updates and security patches. According to the CVE management website, more than 16,500 CVE were reported in 2018, 14600 in 2017, each and every year the overall reporting rates continue to emerge. The more sophisticated network attacks are conducted on vulnerable devices, networks, and software products. It is very critical to proactively implement security measures and control to protect the information assets.
1.2 Implications on our cloud products, Infrastructure, and Customers:
★The vulnerability rating framework(VRF) and the Vulnerability rating checklist (VRC) becomes (VRFC) outline the bug researchers the type of issues that are existed, accepted through comprehensive severity and priority criteria. It helps one to understand the type of bug they exploited on particular products, infrastructure, devices, and endpoint users.
★While R&D engineers and security engineers discover bugs on our cloud products and services through vulnerability & Risk assessment programs, this VRFC helps to brief the vulnerability and remediating the identified vulnerability issues clearly. In addition, VRFC guide provides information about the OWASP Top 10 Web Application Security Risks and other vulnerabilities based on the above-mentioned platforms.
★The vulnerability framework guide (VFG) and Vulnerability Rating checklist (VRC) designed to support the security, operation, Network, and Research & Development(R&D) team, to enhance the effort to further bolster the vulnerability management process and handling with clear transparency and communication.
2. Information Security Assessment Approach:
★The information security assessment approach focuses on a number of services to provide your organization management and its customer with broad business decision-making approaches. We implement cyber intelligence, vulnerability management, Incident response, and incident handling, and threat management operations enabled in our organization to protect and defend from external threats, cyber risks, adopt adequate measures.
2.1 Assessment Team:
★In the vulnerability management process, we defined the number of participating teams and required team members to conduct vulnerability assessments.
2.2 Roles and responsibilities:
★In this section, we defined the roles and responsibilities of each individual member in the vulnerability management operations, which can be identified within the organization in Table 1. Note: The given roles and responsibilities are only applicable to vulnerability management operations, and differ from their regular responsibilities.
★The given roles and responsibilities are only applicable to vulnerability management operations and differ from their regular responsibilities or you may add and define responsibilities based on the size of your organization such as small and medium-sized businesses (SMB)to large enterprises.
3.Vulnerability Management Process (VMP):
★The objective of this VMP is to identify and eradicate the vulnerabilities in a timely manner. Vulnerability assessment is not conducted periodically by many organizations, most of them perform scans on a quarterly or annual basis. This could trigger the possibility of potential threats to hide and stays there for longer than the expected period. Hence, organizations should conduct a periodical assessment on their network to remediate the threats quickly.
3.2 Vulnerabilities Assessment Types:
(I)The window of vulnerability is that the time from when the protection hole was introduced or manifested in deployed software, to when access was removed, a security fix was available/deployed, or it disabled the attacker — see a zero-day attack.
(ii)A security bug (security defect) could be a narrower concept: there are vulnerabilities that aren’t associated with software: hardware, site, personnel vulnerabilities are samples of vulnerabilities that don’t seem to be software security bugs.
★The other integral part of vulnerability management, these are the following assessment methodologies can be performed within an organization to discover vulnerabilities, assess, and audit the physical and virtual infrastructure of the network.
⍟Web application assessment
⍟Operating system security assessment (OSSA)
(i)Discovering and cataloging all assets within your network.
(ii)Assigning a price to identified assets.
(iii)Identifying vulnerabilities and threats that exist for every asset.
(iv)Assessing the likelihood that they also exploit threats and
★Building a recommendation for cost-effective mitigation. In the above section, potential impact, and also the likelihood of occurrence are projected, considerately of existing controls safeguards that would reduce the impact of the likelihood.
Note: Please, use the rating matrix to evaluate the vulnerabilities, risk rating of Critical, High, Medium, low to explain the magnitude of risk.
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4. Vulnerability Management Phases (VMP):
★Vulnerability management is the process of Preparing, Discovering, identifying, evaluating, remediating, and report on security vulnerabilities in software applications and hardware systems. A vulnerability management process consists of five phases:
★The preparation phase is used to build a scope for the vulnerability management process. The discovered vulnerabilities can be identified with the marginal scopes. When the Security architect defines the scope (assets, scan types (Internal-External), assessment types, limitation, network infrastructure, cloud resources, roles, responsibilities) are reviewed and approved by CISO, and the security manager prior to the next process (Discover). It depends on the organizations to obtain and document a request, approval from each asset owner or department head before performing vulnerability scans on the assets. When an organization implementing a vulnerability management process, it is highly recommended to initiate with a number of limitations in the scope. A risk-based approach to the management process helps to determine vulnerability risks with different elements. It helps the security engineer to process, control, handle informations about vulnerabilities more efficiently and prevent them from being overwhelmed. The stakeholders and other top management members can initially understand the scope and its potentials.
★Once the scope and responsibilities are defined in the preparation phase, the discovery phase begins and the security engineer actively performs the scanning operations on information assets that include both physical and virtual security of the organization. For instance, the majority of the dynamic scanning performed through industry-standard tools, engineers can apply templates to create a various number of vulnerability results.
4.3 Identify and Evaluate:
★Once security engineers completed the scanning, the next step is to identify and apply an evaluation matrix on each vulnerability type and assign it to a group. Engineers can integrate and apply the Risk rating matrix and risk exposure on the vulnerability to separate them. The security engineers can produce different types of scanning results such as overall CVE, risk exposures, risk rating matrix, priority’s, solutions, recommendations for mitigation and submit to the security manager, security architect, and CISO.
★After the completion of the report generation process, the security manager, architect, CISO will review each individual report based on the results. CISO will review and accept the report based on the defined inputs in the feasibility, and provide feedback to architects, security engineers on the potential required to remediate actions. Based on the feedback, security engineers apply the inputs and regenerate the indenity& evaluation phase results. The previous and new inputs are all recorded with timeframe information for references and analysis purposes. The security architect must track the status of the remediation process and actions.
★When the remediation inputs are applied to the process, the security engineer enters the final phase re-scan, and it can be performed only after the confirmation of the remediation phase. It will be performed with the same discovery applications and initial configurations on the templates. The security architect, manager actively engaged with the security engineer team to understand the remediation inputs have been effectively implemented. It is highly recommended to the CISO/CTO to establish a new set of scheduling frameworks on your organization's procudts& Resources to perform scanning operation activities such as a Weekly or Monthly, Quarterly basis. It will ensure the rapid discovery, detection, remediation of existing and new vulnerabilities, allowing CISO to determine and deploy necessary security measures and controls in a timely fashion.
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★The objective of this Vulnerability management process, guide, and framework we learned in this article helps individual organizations identify and eradicate the vulnerabilities in a timely manner. Vulnerability assessment is not conducted periodically by many organizations, most of them perform scans on a quarterly or annual basis. This could trigger the possibility of potential threats to hide and stays there for longer than the expected period. Hence, organizations should conduct a periodical assessment on their network to remediate the threats quickly.
★I believe this article provided and covered important measures and guides related to the article title. This approach focuses on a number of services to provide your organization management and its customer with broad business decision-making approaches. I encourage organizations to implement cyber intelligence, vulnerability management, Incident response, incident handling, and threat management operations enabled in your organization to protect and defend from external threats, cyber risks, adopt adequate measures to act defend-early, and avoid damages to the assets.
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Explanation: The fish sees the food but not the hook, and people see the profit but not the harm.
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