Millions of internet users visiting popular news sites over the past few months may have been exposed to a malicious malvertising campaign. The cybercriminals behind the campaign are distributing malicious ads, which redirect users to the Stegano exploit kit. Security researchers uncovered that the Stegano malvertising campaign, exploited several Flash vulnerabilities. The malicious ads came embedded with attack codes within individual image pixels. Stegano has been active since 2014, however, researchers noted a fresh campaign launched in October, which operates in an exceedingly stealthy manner to infect victims.
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ORIGINAL SOURCE: International Business Times