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The WannaCry ransomware attack, which was one of the largest cyber attacks faced recently, was based on exploit of a Windows OS vulnerability. Just a couple of months earlier, Microsoft had released patches in its MS 17-010 security update. This ransomware that spread across hundreds of countries and infected thousands of computers could have been blocked if appropriate patches had been applied in a timely manner.
The WannaCry ransomware typically targeted older versions of the Windows operating systems. Microsoft had stopped support for these versions some time back, and had advised those users to upgrade to the latest Windows operating system – Win 10. However, due to many reasons – some valid and some invalid, enterprises did not upgrade to Win 10.
The reasons include –
However, the implications of the WannaCry ransomware attack – the ransom demand, loss of data, business down time and loss of reputation – has highlighted the importance of patch management. And a name-only patch-management system will not serve the purpose. It must be effective.
The patch-management system must be compatible with the multiple operating systems, applications and endpoint devices. Many types of endpoint devices are used by employees in an enterprise. Linux, Windows, Mac, and Android OSs are used in devices. Further, various third-party applications, antivirus software’s, etc. are used. The windows patch-management system must be able to manage the patches on these entities.
2. Effective Tracking
OS vendors and application vendors release updated patches from time to time or as hotfixes due to a critical emergency such as a malware outbreak. The patch-management system must check out the availability of patches for the OSs, and other applications, and download them onto the centralized management server, test them in a simulated environment for compatibility issues and then promptly roll them out to the endpoints. It is very important that the system regularly checks for availability of patches. The more frequently it does, the safer the endpoints and enterprise network.
3. Endpoint Monitoring
All endpoints must be continuously monitored and status of their patches must be updated with the patch management server. The status must be available in real-time on the management dashboard. Whenever a new patch has been downloaded onto the management server, the endpoint must check the server for availability of new patches and immediately initiate installation of those patch updates.
4. Patch Status Monitoring
Even after deployment of the patch, the patch-management system must keep continuously monitoring the patch requirements and ensure that the endpoints are always secured with the latest patches.
5. Adherence to Regulatory Requirements
Based on regulatory requirements, compliance to necessary and defined policies must be adhered to, constantly.
Ensuring the above-mentioned criteria can ensure effective patch-management throughout the enterprise IT systems.
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Tags: Patch Management
Reading Time: 3 minutes The tried-and-tested practice in the IT service industry is keeping your systems updated – no matter what. It is important to have a patch management system specialized for your whole company and for your specific IT functions. Patch Management Definition Upgrades for software applications and systems that you have on your computers and network devices…
Reading Time: 3 minutes IT professionals understand the necessity of patches, even if it’s not one of their favorite things to do. However, if someone told you that there was an option that did almost everything for you, you’d probably be interested. A Windows patch management tool that will help you find and utilize patches to keep systems running…
Reading Time: 3 minutes Safeguarding the data environment is of prime importance to any enterprise. Breach of data can lead to loss of business strategies and secrets, loss of sensitive customer/client data, disruption of business, and loss of trust. The business may also have to face lawsuits. Cyber criminals try to infiltrate the enterprise network to steal data. They…
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