Is using a singularity sandbox an effective way to increase security through isolation / compartmentalization?

I am using singularity sandboxes in my workflow for several reasons unrelated to security. However, after using it a bit, I am now wondering: is using a singularity sandbox an effective way to increase security by enforcing isolation / com… Continue reading Is using a singularity sandbox an effective way to increase security through isolation / compartmentalization?

Is it a database security hazard to let multiple Oracle databases UTL_FILE the same filesystem?

I’m looking at a scenario in which it would be convenient to let 3 different cloud-rented Linux boxes (server A is the "scheduler control server", server B runs "database 1" on Oracle, & server C runs "database… Continue reading Is it a database security hazard to let multiple Oracle databases UTL_FILE the same filesystem?

Is there a more convenient, yet safe, way to run DOSBox-X than I’m currently doing it?

I recently learned about DOSBox-X. It’s basically a somewhat less awful version of the basically-abandoned DOSBox.
I currently have it installed inside a Windows 10 VM inside of my Windows 10 bare metal PC. It’s the only computer I have. I… Continue reading Is there a more convenient, yet safe, way to run DOSBox-X than I’m currently doing it?