A group of hackers suspected of working at least in part for the Russian government targeted iPhone users in Ukraine with a new set of hacking tools designed to steal their personal data, as well as potentially steal cryptocurrency, according to cybersecurity researchers.  Researchers at Google and security firms iVerify and Lookout analyzed new cyberattacks against Ukrainians which were launched by a group identified only as UNC6353. The researchers looked at compromised websites in a hacking campaign that, they say, is related to one uncovered earlier this month. This most recent campaign used a hacking toolkit the companies called Darksword. The discovery of Darksword, which follows that of a similar hacking toolkit, suggests that advanced, stealthy, and powerful spyware for iPhones may not be as rare as previously thought. Even then, Darksword only targeted users in Ukraine, implying some restraint in what could have otherwise been a widescale hacking campaign targeting users worldwide.…