The Cyber Security Review | Monday, March 25, 2024
Finding and compiling an inventory of all the various assets (such as software, web apps, operating systems, and devices) that need to be scanned for vulnerabilities is the first step in the vulnerability management lifecycle. In order to prevent scenarios where you have vulnerabilities in systems or apps that aren't adequately tracked, a thorough investigation is essential.
Fremont, CA: In the current threat scenario, effective vulnerability management is cyclical. In the intricate interaction between people and technology, new vulnerabilities continually appear due to a dynamic and growing attack surface. Finding vulnerabilities and fixing them at a later date is not sufficient to declare vulnerability management "done." The vulnerability management lifecycle is outlined in this article, along with its significance for enhancing the security posture of your business.
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Vulnerability
Vulnerability is a weakness in a computer system's security that a malevolent actor can use for evil intent. An essential aspect of this concept is that vulnerabilities can also arise from the way a system is run or managed; they are not limited to flaws in the software or hardware's design or implementation.
Steps in Vulnerability Management
The steps in vulnerability management include:
Discover:
Finding and compiling an inventory of all the various assets (such as software, web apps, operating systems, and devices) that need to be scanned for vulnerabilities is the first step in the vulnerability management lifecycle. In order to prevent scenarios where you have vulnerabilities in systems or apps that aren't adequately tracked, a thorough investigation is essential.
Prioritize Assets:
Systems should be grouped according to priority since not all assets are equally vital to enterprises. High-priority assets typically have the following qualities: they are essential to regular business operations, they are not fault-tolerant, or they store sensitive data.
Assess:
During the assessment phase, conventional vulnerability scans should be conducted, ideally with the most significant amount of automation. Here, it would help if you strived for both depth and breadth. The process of achieving range involves using specialized tools to check for code vulnerabilities, misconfigurations, and other issues on cloud infrastructure, web apps, and other assets in your inventory. By including penetration testing—in which professional security testers search for flaws that are challenging to find using scanning tools—you can attain depth.
Report:
The data collected in the earlier processes must be compiled, and the results must be documented and presented to the appropriate parties. Reports should be customized for various audiences according to the level of technical information they require. Executives and other technological decision-makers need to be informed succinctly about high-level trends. Security teams require reports that are easy to understand and comprehensive, ideally including suggested remedies, to enable efficient remediation operations.
Remediate:
Any action taken to address vulnerability—such as installing a security patch, upgrading hardware, or altering system configurations—is included in the remediation phase. The best course of action will be to reduce the likelihood that vulnerability will be exploited until a remedy is feasible, for example, by isolating a susceptible system from the rest of the network, as direct remediation may not always be available right away. Prioritizing remediation will be aided by the severity of the vulnerability and the importance of the underlying system.
Verify:
The verification phase ensures that all attempts to eliminate or mitigate vulnerabilities have been successful, concluding the vulnerability management lifecycle. Since companies must routinely check for vulnerabilities in their IT environments, the verification phase may coincide with the find and assess stages of the subsequent cycle. As an alternative, additional audits that include independent re-scans or penetration tests can assist in confirming whether repair efforts were practical.
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