[cfgvjkljhgfb]

with cuda and the cloud it's quicker to try all possible passwords (starting with aaaaaaa...) than to search a rainbow table of dictionary words so ":Hy6&z@z" is now no more secure than "password"

[pavel_lishin]

Rainbow tables don't apply to salted passwords.

[ylem]

But you can still do a brute force attack--that's part of why SHA1 has some issues--you can beat it with brute force and enough GPUs.