And without compute nodes, air-gapped systems are even less accessible. The idea is that without an open connection between the two sites, threats theoretically have no bridge across. These intervals could happen once a day or on any defined frequency. By allowing data in from the production network at regular intervals, backups are regularly updated, but the two sides are not always connected. The goal of an air gap is to isolate critical data from local networks and production areas that are more vulnerable to attacks.
When the “virtual air gap” had a tepid reception from customers (i.e., low sales), operation air gaps were created in a bid to reduce infrastructure costs and add additional automation around the setup and maintenance.Īt their cores, both of those approaches most often rely on WORM capabilities built for regulatory and compliance requirements.*
#AIR GAPPED PROFESSIONAL#
This was delivered via extensive consulting and Professional Services. The network between sites would open and close periodically. These were first introduced by vendors who wanted to focus on logical network separation and sell a duplicate set of infrastructure with Write Once, Read Many (WORM) capabilities. Some vendors have adapted the concept into: Essentially, they are network design topologies that separate production and backup networks. Modern air gaps focus more on logical separation, primarily with network controls. Today, the definition and concept of “air gaps” is evolving past the traditional “physical network isolation” to be a valuable component of an effective, efficient data security strategy. The bridge goes down when data is transferred, then goes back up the rest of the time. Administrators create a connection between the production system and air-gapped system, like a drawbridge. Traditionally, an air gap was physical, using tape-based backups or offsite systems, separated with zero physical connectivity.
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