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NEW YORK (AP) — President Barack Obama will impose even steeper cuts on greenhouse gas emissions from U.S. power plants than previously expected, White House officials said Sunday, in what the president called the most significant step the U.S. has ever taken to fight global warming.
Hackers are not just after your computer: connected devices from cars to home security systems to sniper rifles are now targets for actors looking to steal or cause mischief. The rapid growth in the "Internet of Things" has opened up new opportunities for cyber attacks and new markets for cyber defenders. This is among the hot topics at a Black Hat computer security conference that kicks off in Las Vegas on Sunday and an infamous Def Con hacker gathering that follows.