QOTD on Double-Edged Cyber-Weapons

Once you introduce them [cyber-weapons] to the battlefield, it's trivially easy for the other side to capture your artillery, as it were, and then use it against you if you're not already inoculated against it, and then against other friendlies. -- Ed Skoudis, InGuardians co-founder & SANS instructor

Src: The Cyberwar Plan | National Journal Magazine