Transit States and Malicious Cyber Operations: No Due Diligence Obligation

Transit States and Malicious Cyber Operations: No Due Diligence Obligation

Transit States and Malicious Cyber Operations: No Due Diligence Obligation The Tallinn Manual 2.0 advances the view that a transit State has a due diligence obligation to take feasible measures to terminate malicious cyber operations that may affect the rights of...
Lieber Studies Non-State Actor Attribution Volume Series – The Customary Law Status and Relevance of the Attribution Rule in Article 11 ARSIWA

Lieber Studies Non-State Actor Attribution Volume Series – The Customary Law Status and Relevance of the Attribution Rule in Article 11 ARSIWA

Lieber Studies Non-State Actor Attribution Volume Series – The Customary Law Status and Relevance of the Attribution Rule in Article 11 ARSIWA Editors’ note: This post appears as an entry in a series dedicated to Dr Jennifer Maddocks’ monograph, Attribution of...
CyCon 2026 Series – Cyber Operations in the Multidomain Battlespace: A Legal View from the Ministry of Defence of Ukraine

CyCon 2026 Series – Cyber Operations in the Multidomain Battlespace: A Legal View from the Ministry of Defence of Ukraine

CyCon 2026 Series – Cyber Operations in the Multidomain Battlespace: A Legal View from the Ministry of Defence of Ukraine Editors’ note: This post introduces a series derived from panels and discussions that took place in 2026 at the 18th annual International...
The ICJ Advisory Opinion on Climate Change and Cyber Operations – Part II: Jus in Bello

The ICJ Advisory Opinion on Climate Change and Cyber Operations – Part II: Jus in Bello

The ICJ Advisory Opinion on Climate Change and Cyber Operations – Part II: Jus in Bello Part I of this two-post series analyzed how the International Court of Justice’s (ICJ) Climate Change advisory opinion might reshape State obligations in peacetime and the period...
The ICJ Advisory Opinion on Climate Change and Cyber Operations – Part I: General International Law Considerations

The ICJ Advisory Opinion on Climate Change and Cyber Operations – Part I: General International Law Considerations

The ICJ Advisory Opinion on Climate Change and Cyber Operations – Part I: General International Law Considerations In July 2025, the International Court of Justice (ICJ) issued its much-anticipated Climate Change advisory opinion. The opinion is worth reviewing...
The Tin Can Ruse: Lawful Deception or Prohibited Treachery?

The Tin Can Ruse: Lawful Deception or Prohibited Treachery?

The Tin Can Ruse: Lawful Deception or Prohibited Treachery? The law of armed conflict has always drawn an uncomfortable line between cunning and criminality. Commanders who deceive the enemy are celebrated; those who betray a protected confidence face prosecution. The...