All the compromised accounts were attacked through their use of a popular third-party analytics service, Twitter Counter. Amnesty International’s Twitter account, one of the hacked users. Screengrab of hacked Twitter account Photograph: TwitterThe company’s chief executive, Omer Ginor, told the Guardian that “we are aware of the situation and have started an investigation into the matter”. No additional accounts are impacted.”The breach made it on to Twitter proper through the social network’s “third party permissions” process. Those actions can range from minor – such as “reading tweets” – to near-complete control of the linked Twitter account, as with the permissions Twitter Counter was granted.
Source: The Guardian March 15, 2017 09:30 UTC