Negative SEO means de-promote a website. There is lot of strategies to promote a website at the same time we can de-promote a website using black hat and other spammy strategies.
Negative SEO occurs when someone makes attempt to lower a site's rankings in the search engines. There are multiple ways that this can be attempted. The most common type of negative SEO that gets discussed is link based negative SEO, but there are many other techniques that unscrupulous people can use to try to reduce your rankings. Some seo services kerala offers the best SEO strategies. And they do not use these negative seo methods to promote websites.
Negative SEO is really dangerous towards your web presence and it could occur if you do not follow the rules and/or start spamming your web site around the web and emails.
That could poorly damage your PR and SEO.