Nation-state sponsors learn lesson of too-sophisticated cyber
weapons  Pavel Ignatov/  The presumed government sponsors behind
a string of targeted attacks on mainly Middle Eastern computers
likely are evolving their techniques to hide trademarks that
have revealed their work to be a unified campaign, according to
computer security researchers. The public’s ability to attribute
cyber strikes to a single, organized entity could undermine the
covert maneuvers.  During the past year various antivirus
analysts have connected Stuxnet, a cyber sabotage tool allegedly
authored by Israel and the United States to disable Iran's
nuclear program, with other malicious software also thought to
be state-sponsored. Unlike Stuxnet, the others are designed to
scavenge intelligence from adversary computers without
necessarily disrupting operations. After Stuxnet was first
discovered in 2010, Russia-based Kaspersky Lab, U.S. company
Symantec and other international research groups came across the
other bugs.    Although Stuxnet