What to do if your website is banned by the search engines for black hat practices?

[Dynapro]

What to do if your website is banned by the search engines for black hat practices?

[jayam]

While black hat SEO is not illegal, it does violate webmaster guidelines set out by search engines. In other words, it's still against the rules. This means if you engage in black hat SEO, you must be willing to get hit with a nasty penalty as punishment.

[jayammrg]

Black hat SEO refers to a set of practices that are used to increases a site or page's rank in search engines through means that violate the search engines' terms of service. The term "black hat" originated in Western movies to distinguish the "bad guys" from the "good guys," who wore white hats (see white hat SEO).

[chandrao7]

Avoid Duplicate/Spun Content At All Costs. ...
Don't Place Too Many Ads Above “The Fold” ...
Don't Use Hidden Text Or Links. ...
Keep Track Of User Generated Spam. ...
Don't Use Cloaking. ...
Combat Negative SEO. ...
Link building commandments. ...
“Thou shall not buy links but earn them”

[dombowkett]

You have stop link-building immediately, start removing it's spam content & backlinks.

[swaroop97]

While black hat SEO is not illegal, it does violate webmaster guidelines set out by search engines. In other words, it's still against the rules. This means if you engage in black hat SEO, you must be willing to get hit with a nasty penalty as punishment.

[Neo_5678]

Take the necessary steps mentioned in google webmaster. It will help you to deal with the issue.