Watch out, watch out, there's a link spammer about!
When researching possible future clients for our PR agency, one of the things we always check out their site in terms of how well it is optimised for SEO and this can sometimes lead to interesting surprises. One such was a UK trade association, where upon digging into the site we unearthed a nasty bit of 'black hat' SEO link hacking-spam, related (it appears) to that found by Rishil on his post about a link hacker.
Upon digging further, we found that when we searched for a phrase the spammers were targeting we found that 30% of the top 100 search results returned by Google were sites that had in some way been compromised without the (apparent) knowledge of the site owners. (If you're interested, the search was for a pharmaceutical product - think little blue pills for men online.)
It seems there are many, many sites still out there suffering from this hack and sadly, the spammers are using these techniques to score high results in serches for competitive pharmaceutical-related phrases.
While protecting against these attacks can be difficult (some sites were hit multiple times after being 'cleaned up') - you can at least protect yourself to some extent by ensuring that you are alerted should your site be compromised.
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