Twitter also revealed the perpetrators had downloaded data from up to eight of the accounts involved. It declined to reveal their identities but said none of bitcoin videó were "verified". This means they did not have a blue tick to confirm their ownership, and thus were not among the most high-profile hacked accounts.
However, the fact the attackers were able to make use of the Your Twitter Bitcoin videó download tool means they now potentially have access to affected users': private direct messages, including photos and videos contacts, which Twitter's app would have imported from their smartphone address books physical location history, logged at times they had used the service details about the accounts they had muted and blocked interest and bitcoin videó information Twitter had inferred about them via their use of its platform In a further development, the New York Times bitcoin videó suggested that the social network became exposed after the hackers gained access to credentials that had been shared on Twitter's internal Slack messaging channel - a service that some companies use as an alternative to email.
The newspaper also suggests that at least two of those involved are from England.
In total, Twitter said accounts had been targeted, of which the hackers had managed to reset the passwords of 45, giving them control.
It added that it believed those responsible may have attempted to sell some of the pilfered usernames.
Twitter said the attackers had targeted certain Twitter employees through a "social engineering scheme". A small number of staff had been successfully manipulated, it said. Once inside Twitter's internal systems, the hackers were not able to see users' previous passwords but could bitcoin videó personal information including email addresses and phone numbers as these are visible to staff using internal support tools.