Negative SEO

Negative SEO is the practice of deliberately attacking another website — usually a competitor's — with the goal of lowering its positions in search results. It is the mirror image of legitimate optimisation: instead of strengthening their own site, the attacker tries to trigger algorithmic filters or manual penalties against the victim, or simply to degrade the site until it stops ranking.

How negative SEO works

Attackers combine several vectors, which vary widely in effectiveness:

• Toxic link blasts — pointing thousands of links from link farms, gambling or adult networks at the victim, hoping its backlink profile starts to look manipulated.
• Content scraping — automatically republishing the victim's pages across dozens of domains to create duplicate-content confusion and dilute originality signals.
• False reports and fake signals — fraudulent DMCA complaints that de-index pages, bot traffic engineered to look like poor engagement, or fake negative reviews on the business profile.
• Technical sabotage — hacking the server to inject hidden links or spam pages, tampering with robots.txt, or overloading the site so that response times and crawl budget suffer.

Google has repeatedly said its algorithms discount most spam links instead of punishing the target, so pure link-based attacks are far less effective than a decade ago. Attacks that compromise the site itself remain genuinely dangerous.

Defending against negative SEO

Protection is mostly monitoring plus basic security hygiene:

1. Review newly discovered backlinks in Google Search Console and SEO tools; submit clearly hostile domains via the disavow tool if a pattern emerges.
2. Harden the website: CMS updates, strong credentials, a web application firewall and off-site backups close the doors most attackers actually use.
3. Set alerts for sudden ranking or organic-traffic drops so you can react within days, not months.
4. Keep evidence — in many jurisdictions deliberate sabotage qualifies as unfair competition or a computer crime.

The strongest defence is an authoritative site with a naturally earned link profile: the more genuine trust a domain has accumulated, the harder it is for third-party noise to move its rankings.