Mystery of alleged Chinese hack on eve of Ukraine invasion Allegations of Chinese cyber activity as the recent conflict broke out in Ukraine have been emerging. The details appear unusually murky but one western intelligence official believes the aim was espionage -and the cyber-attack may have been broader than previously reported. The Times first reported that hackers, alleged to be based in China, began targeting Ukrainian websites on 23 February, the day before the invasion. That led to questions as to whether they had advance notice of Moscow’s plans and if their intention was somehow to support Russia. A broad…