Making systems hard to hack and robust to rare events:
* is really hard,
* costs a lot of money, and
* reduces earnings in the short term.
Faced with these inconvenient facts, many executives who want to see stock prices go up prioritize... other things.
https://en.wikipedia.org/wiki/Single_point_of_failure
To each individual company, it’s better to have the big single point of failure. That’s the problem.
It's still not enough.
Making systems hard to hack and robust to rare events:
* is really hard,
* costs a lot of money, and
* reduces earnings in the short term.
Faced with these inconvenient facts, many executives who want to see stock prices go up prioritize... other things.