Mr. Hunt said they were “making sure that our data is properly backed up, and making sure that we are using the software patches.”<br />The British National Crime Agency, which is taking part in a global investigation into the attack, said<br />that a second wave of attacks could still occur, and it urged computers users to take precautions<br />“But it is very important that business and enterprises<br />that are in the private or government sector make sure those patches for the Windows systems that were made available by Microsoft in March are installed.”<br />In Japan, about 2,000 terminals in 600 locations, used by individuals as well as by large companies, were most likely affected by the ransomware attack, according to JPCert, an independent group<br />that helps respond to and track computer security breaches.<br />Cyberattack Spreads in Asia, Though No ‘Second Wave’ Is Seen -<br />By GERRY MULLANY and PAUL MOZURMAY 15, 2017<br />HONG KONG — A global cyberattack spread to thousands of additional computers on Monday as workers logged in at the start of a new workweek.