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Semalt botnet hijacked nearly 300k computers


Help Net Security - (International) Incapsula researchers reported that the Semalt botnet is spreading quickly and is currently made up of around 290,000 infected machines. The botnet is linked to a Ukrainian search engine optimization (SEO) service and spams millions of Web sites in a referrer spam campaign designed to fraudulently boost a site's search engine ranking.


Note: This news synopsis is taken from the DHS Daily Open Source Infrastructure Report, a daily [Monday through Friday, except US Federal holidays] summary of open-source published information concerning significant critical infrastructure issues; a 10-day archive of the DOSIR can be found at:

Last Updated: 27 May 2016 10:21:35