Summary

  • A new warning has been issued about an ongoing phishing campaign that abuses Microsoft’s OAuth standard, which allows users to authenticate via device codes.
  • Rather than identify users through their usernames and passwords, this method gives them a code to enter into a linked device to verify their identity.
  • Russian hackers have been using this to target Microsoft 365 accounts, with instances of the campaign dating back to last August.
  • The attackers pretend to be senior executives, talking to their victims on messaging platforms before sending them a suspicious link.
  • Once the victim enters the code on their device, the hackers can access their account.
  • The Russian group, known as “Storm 230” has focused on non-governmental organisations (NGOs) and think tanks, but also impersonated media companies.

By Dan Goodin

Original Article