Daily Cyber News – September 26, 2025

This is today’s cyber news for September 25, 2025. In this edition we cover major developments that matter to defenders, leaders, and builders. From new malware variants slipping into developer tools, to phishing training that fails in practice, to dangerous flaws in Cisco firewalls already under attack—today’s feed is packed with lessons that directly affect how organizations secure their people and systems. We also examine supply-chain compromises in popular software packages and the fallout from data breaches hitting telecoms and retailers. Each story highlights where attackers are gaining ground and where defenders need to respond quickly.