The phrase patch update is used to describe a periodic to a software package that is made to mitigate a software vulnerability. The asymmetric threat environment faced by information infrastructure owners includes a large number of individuals and questionable organizations that work tirelessly to “crack” software and compromise computers. Publishers of software struggle to keep up with the challenge and routinely offer modifications to their software packages to plug the holes. The cycle is so intense that specific days of the week are recognized as the days that exploits and defenses against them appear.
Its Relevance: Most software publishers discover "bugs" and vulnerabilities in newly minted products. Patches are usually written to update the products as soon as a problem is discovered. Infrastructure owners need to adopt a disciplined approach to access the software publisher’s websites, download fixes to close the vulnerabilities, testing and deploying the remedies. The process should be instilled in the security policies of the organization and monitored.
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