When Does a Cyber Attack Become an ‘Act of War’?

Time to read-up on the Tallin Manual…:

The Tallin Manual uses the definition provided in Article 2(4) of the UN Charter to argue that any cyber operation that “constitutes a threat or use of force against the territorial integrity or political independence of any state, or that in other manner is inconsistent with the purposes of United Nations is unlawful”. Such a cyber operation could trigger a response under the law on armed conflict.

Original article