Five Tips to Securely Decommission Business Applications

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Eighty percent of respondents in AlgoSec’s State of Network Security Survey 2013, noted that application-related rule changes resulted in outages or impaired performance. Changing or decommissioning rules is tricky if you don’t have all of the information you need. If you blindly remove firewall rules, more often than not some very unpleasant side effects will occur. Remember that rules and objects can be shared across multiple applications. For example, if you remove one rule that allows traffic through the entire application zone, as a side effect, you will also break the traffic patterns required by a business application that still needs its connectivity.

Accurately identifying and removing access rules for decommissioned applications, without impacting the accessibility of other applications, is a huge issue for many organizations. Oftentimes, unnecessary or overly permissive access rules are left in place due to the fear of making a change that impacts the network or applications.

In this slideshow, AlgoSec, a security policy management company, examines the challenges of decommissioning business applications and offers five tips for improving security without affecting network operations by removing firewall rules that are no longer in use.

 

Related Topics : Vulnerabilities and Patches, Resellers, Broadcom, Broadband Services, Supercomputing

 
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