heise devSec: Keynote zu Software Security in Zeiten des Cyberkriegsheise-Angebotheise developer Von Heise Security Ticker 03. September 2026 security heise devSec: Keynote zu Software Security in Zeiten des Cyberkriegsheise-Angebotheise developer Quelle: Heise Security Ticker Tags: devs, heise, kent, Security, software