Russian hackers tracked Ukrainian artillery units using Android implant
UK nuclear submarines are running Windows for Submarines (customized Win XP). It should be noted that the Windows operating system probably doesn't control the nuclear launch operations itself.
McAfee VirusScan Enterprise for Linux can be remotely compromised. Some of these vulnerabilities can be chained together to allow remote code execution as root.
Trend Micro analysed very lightweight ATM malware called Alice (BKDR_ALICE.A). Its only purpose is to empty the ATM safe.
Veles: Nice open source tool for binary data visualization and analysis.
Noriben is a Python-based script that works in conjunction with Sysinternals Procmon to automatically collect, analyze, and report on runtime indicators of malware.