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Securing databases with systemd for containers and services

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Data is the most valuable entity associated with a system, particularly when it is a sensitive one. Not only are there threats associated with physical access
to the box, but also ones where logical access suffices - sql injections etc.

Vulnerabilities like shellshock and heartbleed have also shown that an exploit in one component can also be used to access others through buffer overflows, memory overruns etc. and/or impact the immunity of system severely.

This is where "Principle of least privilege" comes into play. Wikipedia defines it as "a particular abstraction layer of a computing environment, every module (such as a process, a user or a program depending on the subject) must be able to access only the information and resources that are necessary for its legitimate purpose".

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Securing databases with systemd for containers and services

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