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We have a related issue in US civilian Federal agencies, where the IT security posture has been moving for some time to a formal compliance scheme. The idea is that to manage things at scale, it's desirable to have certified solutions, and mandate a very broad set of controls. This makes general-purpose Linux systems a hard sell -- Ubuntu and RHEL have e.g. FIPS-validated encryption stacks, but they're generally older releases (currently Ubuntu 20.04 is certified and 22.04 certification is pending), and of course limiting your choice of distro is unwelcome for computational researchers. For data at rest, there are certified self-encrypting hard drives, but they are very hard to source, in part because the FIPS 140-2 suite is also very old, and the newer FIPS 140-3 suite is not yet certified. There are probably ways around this, the diversity and flexibility of Linux cuts both ways, so you can maybe do a FOSS VM infrastructure on top of a certified hypervisor, and get the best of both worlds that way, but it's a lot of work. And unlike in the aviation-safety world, it's not clear that the certified solution is technically better. It has pluses and minuses, but the biggest plus is administrative, not technical -- it's easy to check. |
Whoever tells you otherwise has got a bridge to sell, as well as some compliance- and "security"-facilitating "solutions" on top.