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In another campaign, spammers pushed Rainbow International Corporation (RNBI) stock.
Depending on who you ask, Rainbow International Corp. is either a mining operations company
in Turkey, an organization that distributes boxes and bowls or a company trying to break into the
hemp industry. Either way, the company’s stock was pushed into the spotlight. Spammers
bought RNBI stock on or before June 24, 2014 for about $0.13 per share. A botnet, millions of
pieces of spam and a short time later the price nearly doubled to around $0.23 per share.

Safety Tips

The SEC has gone after traders who deal with falsely inflated stock scams, but a simple rule of
thumb is never taking action on the content of unsolicited emails. This includes clicking links,
opening attachments or in this case, making investment decisions.

Also, stay away from questionable websites and make smart choices when navigating from
search engine results to web pages. Cybercriminals know how to make their malicious sites
appear near the top of your search results and use this tactic more often than you think. It’s a
good standard practice to delete unsolicited email, especially if you are unfamiliar with the
sender or the sender appears to be forged.

Make sure your computer’s software remains up to date, and go ahead and uninstall unused
software programs from your computer because all too often they become forgotten, unpatched
and create yet another target option for attackers.

Remember, a multi-layered approach to security is smart – use a properly configured firewall,
anti-virus, email and web filtering products from a reputable security company and most of all,
remain vigilant.

About the Author

Troy Gill is a Manager of Security Research at AppRiver. Gill is primarily
responsible for evaluating security controls and identifying potential risks.
He provides advice, research support, project management services, and
information security expertise to assist in designing security solutions for
new and existing applications.

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