Newsroom Tokyo S2015E45 - Growing Cyber Threat

With cyber-attacks on the rise, officials in Japan and the United States are seeking ways to fight back. Japan's pension service was recently hacked resulting in one of the biggest thefts ever of personal data from a public institution. US officials, meanwhile, say hackers may have stolen the personal data of up to 4 million federal workers. Security experts on both sides of the Pacific are trying to figure out who breached these government computer systems and how.