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Hacker Attacks That Can Damage Your Site & SEO

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Ann Smarty
Ann Smarty VIP CONTRIBUTOR
Hacker Attacks That Can Damage Your Site & SEO

A great thread over at WebmasterWorld forums lists most common hacker attacks types, their footprints and features.

These attacks can cause damage to the presentation of your site, the users who visit your site, and also leave a negative taste on your search engine rankings.

I’ve figured the discussion is worth attention and organized it into a short table also adding:

  • some tools that can help to detect the attack;
  • links to related articles and discussions.

TypeFeaturesAimsTools to detect the attack
Malware distribution Common footprint: an iframe that doesn’t belong in your code – especially one with a lot of hex coding.Uses your site to distribute malwareGoogle; Google Webmaster tools; Google Safe Browsing Blacklists (SerpGuard)
Defacement Hacks "Old school""Online graffiti", no financial valueNone, it can be visible by everyone
Robots.txt Hacks Block Googlebot or other crawlers from your site.Malicious delight, competitive disruptionGoogle Webmaster tools Robots.txt inspection
Parasite HostingPlace a link back to another siteSite promotionXenu LinkSleuth ; Google Alerts
Cloaked Hacks Cloak parasite content so that only Googlebot sees it.Google referral traffic stealingA user-agent spoofer
Cloaked Redirects – .htaccess hacksMake it look like the pages of a website moved to a new domain name. In this case, search engines will more or less pass the “value” of a page on to the new URL.PageRank stealingGoogle URL: advanced operator (check if the URL is indexed); a user-agent spoofer
Complex Cloaking – using IP and cookiesCloak parasite content by user-agent and IP address.Traffic stealingBrowse your site with cookies turned off; study your server logs
DNS TroublesSet up a website that looks enough like the original; hijack the original domain via cache poisoning for as many ISPs/companies as possible, causing their traffic to hit the phony site instead.Traffic stealingCheck your DNS settings and fix any warnings you get; run a DNS report.
Adsense Code hackReplace your AdSense or affiliate IDs.
Adsense or affiliate income stealing.Check your Google account stats
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Ann Smarty

Ann Smarty

Brand amd Community Manager at Internet Marketing Ninjas

Ann Smarty is the blogger and community manager at Internet Marketing Ninjas. Ann's expertise in blogging and tools serve as ... [Read full bio]

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