TikTok says it is addressing a cyber-attack that targeted brands and celebrities, including Paris Hilton and CNN.However, the video-sharing app told the BBC that a “very limited” number of accounts had been compromised.It added that it was working with users to restore access to their accounts.TikTok, which is owned by Chinese company ByteDance, did not share further details on cyber-attack, such as how it was carried out.A TikTok spokesperson said Ms Hilton’s account was targeted, but it was not compromised.The reality TV star, who has more than 10 million followers on TikTok, is an…