In the world of hacking, every malicious tool has its heyday—that period when it rules the underground forums and media headlines and is the challenger keeping computer security pros on their toes. Viruses and worms have each had their day in the spotlight. Remote-access Trojans, which allow a hacker to open and maintain a secret backdoor on infected systems, have had their reign as well. These days, though, point-of-sale RAM scrapers are what’s making the news.
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