"We believe these larger rewards reflect the additional challenge involved with tackling the security defenses of Chrome OS, compared to traditional operating systems"
see Google offers $3.14159 MILLION in prizes for hacking Chrome OS • The Register.
That’s confidence! Google is offering $millions in prizes for cracks of their OS. I wouldn’t bet that much on anything except M$’s eventual/continuing decline in the market for client OS. Thanks, Google. Who says “They don’t give back.”?

17519
12804
206
3
2
23977
11884
11736
4660
4286
1643
198
14
2
0
0
0
Microsoft offers thousands for information leading to those who have already compromised their OS. That’s the difference between Microsoft and Google. Microsoft has conceded defeat. Not a day goes by where somebody demonstrates anew that you can break into Microsoft’s OS and cause havoc.