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this post was submitted on 07 Apr 2024
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We don't know. But if there were well known backdoors to mainstream security practices we might see more companies that depend on security shutting down, or at least shutting down their online activities. Banks, stock trading, crypto exchanges, other enterprises that handle money, where hacking would be lucrative.
I don't think you need to worry about backdoors with most of those. Worry more about unfixed security holes due to an extreme emphasis on "stability" as in using old versions when fixes have already been released when it comes to anything hosted by large companies.
There's a concept of acceptable levels of risk. Companies are not going to shut down out of fear, or miss out on the business opportunities of online presence. There's money to be made.
Even with things as serious as spectre allowing full dumping of CPU and RAM contents simply by loading a website, I can't think of a single company that just said "well shit, better just die".
Serious, potentially business ending, security issues usually have a huge amount of effort when discovered put into mitigations and fixes. Mitigations are usually enough in the immediate "oh shit" phase. Defense in depth is standard practice.
There are several known instaces of crypto exchages getting hacked.