Brief: Ascom affected by cyber attack
March 17 (Reuters) - Ascom Holding AG ASCN.S: ASCOM AFFECTED BY CYBER ATTACK ASCOM HOLDING AG: ON 16 MARCH 2025, A CYBER-ATTACK COMPROMISED ASCOM'S TECHNICAL TICKETING SYSTEM ASCOM HOLDING- GROUP CALLING ITSELF "HELLCAT RANSOMWARE GANG" ANNOUNCED ON X IT HAD BREACHED ASCOM'S IT INFRASTRUCTURE ASCOM HOLDING AG - OTHER IT SYSTEMS AND CUSTOMER SYSTEMS UNAFFECTED, BUSINESS IS FULLY OPERATIONAL AS USUAL Source text: ID:nGNXb1YQdS Further company coverage: ASCN.S ((Reuters.Briefs@thomsonreuters.com;))