I agree with you that it's our money, and, in the same vein, it's also our government : ). So, IMHO one answer to your question is we can engage in activism to

I agree with you that it's our money, and, in the same vein, it's also our government : ). So, IMHO one answer to your question is we can engage in activism to motivate our government to change our laws and regulations to prevent a repeat of the violation in question, and vote for representatives who also would support such things. Like, once you find a bug in production, you fix it, and ideally then do an analysis of how it got there and what practices might be worth changing and maybe you also write a test in case someone slips up in the future.