bad seo for competitors

Hi! I was checking my backlinks to spot anything new and see what others are doing and found a harmful domain 301 redirected to my website and it's a bad SEO attack. Why? 1. Domain is spammy 2. Viagra and porn links 3. More than 5k spammy links were created in the last month. What have I...

Hello Black hat seo experts. I am new , and don;t know about black hat seo, but my friend is doing this and not telling me how to do that , i want to beat my competitors by doing black hat seo, i want my 10 competitors will not on google first page with keywords , any one is there who expert in...