Russia’s ‘Fancy Bear’ Hackers Exploit a Microsoft Office Flaw—and NYC Terrorism Fears

As dangerous as they may be, the Kremlin-linked hacking group known as APT28, or Fancy Bear, gets points for topicality. Last year, the group hacked the Democratic National Committee and the Clinton campaign with shrewd, politically savvy timing. Now, those same hackers seem to be exploiting last week’s ISIS attack in New York City to …