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Vulnerability management is a service offered by a cybersecurity provider that allows your organization to discover and address vulnerabilities before threat actors can exploit them. The service provider highlights which vulnerabilities are most at risk of being exploited and advises you on developing a plan to remediate them.
Organizations use a vulnerability management service to automate the identification of vulnerabilities across dynamic and expanding IT assets, track and measure the lifecycle of vulnerabilities, reduce operations, staffing, and resource constraints, prioritize remediation against larger potential business risks, and satisfy regulatory requirements.
There are four distinct benefits of implementing a comprehensive vulnerability management program:
Overall, a comprehensive vulnerability management program includes continuous awareness of the threat landscape, vulnerability scanning to understand which systems are inadvertently exposed, remediation of any found vulnerabilities, and the implementation of a disciplined patch management program.
A strong vulnerability management program can be broken down into five steps:
The first step is meant to cover your bases as you begin the vulnerability management process. This means compiling a list of assets you need to test, identifying which assets you’ll need to prioritize for remediation, and map each of these assets across your environment – on-premises, cloud, and hybrid. The goal here is to ensure you have complete visibility into the full cyberattack surface so there are no blind spots.
Next, use a vulnerability scanner to identify all the vulnerabilities that may be present in your environment. Vulnerability scanning tools will assess every single endpoint, server, or any other system asset running on your network to determine the presence of all known vulnerabilities that exist in the wild.
Once all possible vulnerabilities have been identified, they must be ranked in order of the level of risk they pose to your organization so your team can begin the remediation process. We recommend prioritizing vulnerabilities based not only on their risk level, but also on the likelihood that they will be exploited by threat actors.
It’s important to remember that just because a vulnerability has a high CVSS score does not mean it’s actively being exploited by cybercriminals. In addition, consider which vulnerabilities impact your most critical assets (as identified in Step 1) so you can adjust your remediation efforts accordingly.
Typically, there are three ways your team can deal with any vulnerability. You can remediate it entirely, mitigate it, or simply accept it. If a vulnerability is particularly critical, or at high risk of being exploited, you must remediate it by patching immediately. If a patch is not yet available for the vulnerability, the next best option is to place mitigating controls to limit the vulnerability from being exploited.
However, as a last resort, your team may have to accept the risk, especially if a vulnerability is low risk or if it exists in legacy systems that are no longer patched by the software vendor. In this case, you’ll have to discuss with your team if the impacted asset is critical enough to keep despite a lack of patch updates from the vendor.
Even though your team may have decided how to deal with the vulnerabilities, you need to continue monitoring the vulnerabilities and reassess your decisions. It’s important to remember that vulnerability management is not a once-and-done engagement – it’s a dynamic process, especially given that as your team works through the vulnerabilities, more will pop up.
As part of the vulnerability management program, we recommend you reassess your decisions to ensure that the decisions you’ve made in the previous step (i.e., mitigation, remediation, or acceptance) are correct.
This last stage is as much about evaluating your vulnerability management program for areas of improvement as it is about implementing a disciplined patch management program. The best way to do so is to assign a process lead and document a process that allows you address patch assessment, harvest testing, and deployment. For example, work with your team to determine a timeframe within which all critical security patches must be installed once they are released from the vendor versus non-critical patches. Evaluate your security infrastructure (e.g., firewalls, anti-virus, VPN, etc.) to ensure it’s running properly and receiving regular updates.
A vulnerability assessment is an analysis of your organization’s weaknesses and risks that are present in your cybersecurity defenses. It identifies vulnerabilities present in your system before threat actors can exploit them. It’s conducted via a host of vulnerability scanning
Performing a vulnerability assessment is part of a greater vulnerability management program used to understand where an organization’s cyber risks are present, the type of threats impacting the overall organization, and what needs to be done to mitigate them.
Vulnerability management and cyber exposure are closely intertwined, as they both involve the protection of sensitive data from potential cybersecurity threats and ensuring the security of your organization’s most valuable assets.
In the context of vulnerability management, it is important to understand exactly where your organization's vulnerabilities lie so that you can take proactive steps (e.g., by conducting penetration tests or red team exercises) to prevent any intrusions or cyberattacks.
By assessing various aspects of your organization's infrastructure, such as your network architecture and applications, you can identify points of vulnerability that may be targeted by cyber threat actors. Likewise, in order to effectively manage cybersecurity exposures, it is crucial to have a deep understanding of the types of data that are most valuable to your organization and how those sensitive data are being used.
With this knowledge in hand, you can better prioritize your efforts and focus on tactics like encryption and role-based access control to reduce the risk of losing sensitive data.
There is no single answer to the question of whether vulnerability management solutions can ensure cybersecurity success. At one level, vulnerability management solutions are undoubtedly essential for ensuring that cybersecurity risks are properly identified and mitigated. This can help companies to better protect their systems and sensitive data from cyberattacks and cybersecurity breaches, minimizing the chances of significant damage and keeping customer information safe.
However, vulnerability management solutions are not a guarantee of security. Even with these security tools in place, there is always some risk of an accidental vulnerability being overlooked or new cyber threats emerging that have not yet been detected by vulnerability tools. In addition, companies need to be aware of the ever-changing landscape of cybersecurity threats and be proactive in taking preventative measures to stay ahead of potential cyberattackers.
Ultimately, then, vulnerability management solutions should be seen as an important part of a comprehensive approach to cybersecurity rather than as a standalone solution. In this way, vulnerability management helps companies to achieve success in securing their networks and sensitive data against malicious cyberattacks.
Before evaluating a vulnerability management vendor, there are a number of important questions that you should consider. First, you should consider the vendor's level of experience and expertise and be prepared to ask:
Another key consideration is the vendor's approach to vulnerability management:
Finally, you should consider how compatible the vendor's services are with your organization's overall cybersecurity strategy:
By asking these important questions before choosing a vulnerability management vendor, you can ensure that you select a provider that will best serve your needs.
When zero-day vulnerabilities emerge, you need to act quickly before a breach happens. eSentire’s Managed Vulnerability service is all-inclusive and completely transparent. We provide flexible scanning tools, dynamic asset tracking, and continuous optimization and guidance to keep you ahead of the threat curve.
Don’t let unexpected zero-day cyberattacks throw your business operations off. Learn more about how our Managed Vulnerability service can protect your organization from zero-day cyberattacks.
Take control of cyber risk. eSentire offers multiple Managed Risk Services, tailored to your business needs, to help your organization proactively identify gaps and refine your cybersecurity strategy. This includes a regular cadence of security assessments and testing to continue to strengthen your security posture