Reuters just broke a story about a password breach said to affect more than 250 million webmail accounts around the world. The claims come from an American cyberinvestigation company that has reported on giant data breaches before: Hold Security. The company’s founder, Alex Holden, reportedly told Reuters that: The discovery of 272.3 million stolen accounts included a majority of users of Mail.ru, Russia’s most popular email service, and smaller fractions of Google, Yahoo an