Cybercrime underworld ISP 3FN is permanently shut down

An ISP which made its fortune largely by hosting content for malware authors, identity thieves, child pornographers and spammers, has been permanently dismantled and put out of business by authorities in the United States.

San Jose-based (which used a variety of other names including Triple Fiber Network, APS Telecom or Pricewert LLC) became a hub for those running botnets, spreading phishing attacks, and child abuse images, making some $15,000 a month through hosting illegal content during six years of operation.

Many believe that that figure is conservative, and that if more evidence had been available regarding the ISP’s finances it could have been much higher.

Although 3FN did have some legitimate customers, the FTC accused it of protecting its more shadowy clients by ignoring takedown requests, and advertising its illegal services on criminal messageboards. As part of…

Read more in my article on the Naked Security website.

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Graham Cluley is a veteran of the cybersecurity industry, having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent analyst, he regularly makes media appearances and is an international public speaker on the topic of cybersecurity, hackers, and online privacy. Follow him on Twitter, Mastodon, Threads, Bluesky, or drop him an email.