Download e-book for kindle: Security Patch Management by Felicia M. Nicastro

By Felicia M. Nicastro

Although the patch administration strategy is neither incredibly technical nor tremendous complex, it truly is nonetheless perceived as a fancy factor that’s frequently left to the final minute or resolved with items that automate the duty. potent patch administration isn't really approximately know-how; it’s approximately having a proper method in position which could set up patches to susceptible platforms quick.

Helping you determine precisely what to patch and which patches to take advantage of, Security Patch Management offers special counsel in the course of the strategy of developing and enforcing a good and effective patch administration method. It makes use of a layout that's easy-to-understand and appropriate whatever the working process, community gadget, or patch deployment software. the writer illustrates the correct implementation of patches on units and platforms inside numerous infrastructures to supply the perception required to:

  • Design your personal patch unencumber technique and preserve it motion prepared
  • Test the effectiveness of your patches
  • Keep up with the most recent patch releases
  • Prioritize the vulnerabilities that have to be addressed
  • Apply patches quick and with out draining crucial community assets

This publication provides the instruments and guidance you want to remain one step prior to the exploits at the horizon. it's going to assist you identify a patch administration approach that not just protects your company opposed to zero-day assaults, but additionally is helping you develop into extra proactive by way of this severe part of knowledge security.

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Sample text

Ultimately, hackers are the ones who regularly create the exploits, depending on the severity of the vulnerability discovered, and what damage it can potentially cause. Their level and skill may be different, but they all have the same end result in mind. Once the vendor is notified of a vulnerability, it has to make a determination on how quickly it will develop a patch to eliminate it. There is typically no inside information on whether this vulnerability will turn into an exploit; instead, the vendor should look at the severity of the vulnerability to determine the vulnerability’s potential level of impact to its software and operating system.

If it comes from white-hat hackers, they are informing the vendor in an effort to ensure that a patch to remediate this issue is released in the near future. These individuals may also inform the other organizations, such as CERT, about this vulnerability so that CERT can further investigate and follow up with the vendors to obtain the information for remediation. If black-hat hackers, who are malicious, inform the vendor of the vulnerability, the risk of immediate exploit is extremely high. These individuals may also release the vulnerability to the rest of the hacker community before it is publicly announced by CERT (or BugTraq).

Each organization may rate an exploit differently. Of course, this depends on how dramatic the impact is to its business operations. Overall, the security community does not rate a specific exploit unless it has had a dramatic consequence on the Internet. The effect of an exploit can be rated by the number of vulnerable systems within the organization, the speed of propagation, or the impact it has on business operations. If an organization has determined that the number of vulnerable systems is high or that a large percentage of its information technology (IT) infrastructure is vulnerable, the damage potential of an exploit can be exponential.

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