Overview

• Czech authorities traced a persistent breach of unclassified email systems at the foreign ministry back to APT31, a group linked to China’s Ministry of State Security.
• Foreign Minister Jan Lipavský summoned the Chinese ambassador to warn that such hostile actions carry serious consequences for bilateral relations.
• An interagency investigation involving the Security Information Service, Military Intelligence and NUKIB provided high certainty of Beijing’s involvement in the breach.
• The European Union and NATO issued statements of solidarity with Prague and urged China to respect international cyber norms and critical-infrastructure safeguards.
• Following the discovery, the ministry rolled out a new encrypted communications system to protect future diplomatic correspondence.