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Contents:

The process of vulnerability management requires going through multiple steps to properly secure your systems. Together, these steps represent the vulnerability management lifecycle.

Key Takeaways:

What Is Vulnerability Management Lifecycle?

The vulnerability management lifecycle is the key process for finding and remediating security weaknesses before they are exploited. Policy definition, assessment, shielding, mitigation and monitoring are required.

Gartner

Vulnerabilities can be described as being holes found in an IT system, that leave the system open to cyberattacks. Some people believe that their systems are flawless because they haven’t been affected by cyberattacks so far, which may be true in some instances, but in a lot of cases, companies do not realize that their systems may be flawed until it’s too late to act.

This is why vulnerability management practices have a crucial role in your company’s security and data privacy.

Vulnerability Management Lifecycle: Steps and Stages

The vulnerability management lifecycle can be divided into five steps, each one with its specific role in identifying, preventing, mitigating, and classifying vulnerabilities existent in your IT infrastructure.

VULNERABILITY MANAGEMENT LIFECYCLE

The five steps are sequential, so when the final step of the lifecycle ends, the process restarts.

Step 1: Assessment

Experts pick which parts of the system to check. They look for weaknesses and decide which needs patching, additional research, or remediation.

There are two methods for completing a vulnerability assessment: using an “agent”, which requires installing a sensor on individual assets to detect vulnerabilities or using a network-based solution, which requires all endpoints to be connected to the same network.

Step 2: Prioritization

After finding weaknesses, they rank them by importance.

With the vulnerabilities now ranked based on their importance, it is time to assess the threat to exposure of each asset. Based on the level of exposure, you can prioritize the remediation of the assets, from the most to the least exposed.

Step 3: Action

With the information gathered in the first steps, it is time to start the process of remediating the vulnerabilities. There are more ways in which you can patch vulnerabilities, based on the level of exposure:

  • Low Exposure: you can accept the risks of the assets to your system;
  • Mid Exposure: you can mitigate the vulnerability to stop the attacker from taking advantage of the exposure through security policies;
  • High Exposure: it is recommended to remediate the vulnerability through patches.

Step 4: Reassessment

After dealing with the vulnerabilities, a reassessment is necessary. This process will tell you whether the actions you took to nullify the vulnerability have been efficient or not.

Step 5: Improvement

After following all the previous steps, you may find flaws that need to be fixed. However, manual steps take time. Heimdal® Patch & Asset Management automates this with a continuous vulnerability management program.

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But before concluding this article, it’s essential to circle back to the foundation of Vulnerability Management.

What Is Vulnerability Management?

Vulnerability management is the process of identifying, preventing, mitigating, and classifying vulnerabilities in an IT system, based on the level of threat they possess.

Vulnerabilities have to be remediated as soon as they are discovered, or otherwise, threat actors may take advantage of them to enter your system and steal data. It is an important piece and acts as a cornerstone for a top-notch security strategy.

The vulnerability management lifecycle is designed to make it possible for enterprises to detect vulnerabilities in their computer system security, rank assets, evaluate, report, and rectify the flaws, and then confirm that they have been fixed.

Conclusion

Your business’s protection against cyberattacks largely depends on how you handle system vulnerabilities. Effective vulnerability management is crucial for your company’s security.

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Author Profile

Cristian Neagu

CONTENT EDITOR

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Cristian is a Content Editor & Creator at Heimdal®, where he developed a deep understanding of the digital threat landscape. His style resonates with both technical and non-technical readers, proof being in his skill of communicating cybersecurity norms effectively, in an easy-to-understand manner.

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