More disruptions feared from cyber attack; Microsoft slams government secrecy

By Dustin Volz and Eric AuchardWASHINGTON/FRANKFURT (Reuters) - Officials across the globe scrambled over the weekend to catch the culprits behind a massive ransomware worm that disrupted operations at car factories, hospitals, shops and schools, while Microsoft on Sunday pinned blame on the U.S. government for not disclosing more software vulnerabilities.Cyber security experts said the spread of the worm dubbed WannaCry - "ransomware" that locked up more than 200,000 computers in more than