How good of an idea is it to create a "good virus" to defend against viruses and cyberattacks?
To combat DDoS attacks, the Japanese government is apparently working on a "virus" that can trace back to an attacking resource, then disable it. I can't help but wonder how good of an idea it is to install a "good" piece of malware (or should I call it posiware?) as a preventative measure? What do you think about the concept, is it a good or bad idea?