One of the security issues that Bruce Schneier talks about on his blog is movie plot threats. These are security threats that are so over the top that they could be used as a movie plot.
Here are some of the most recent:
A Thai minister has claimed that by returning missed calls on their cell phones people from the Muslim-majority southern provinces could unintentionally trigger bombs set by Islamic militants. Link
A scientist is concerned that the SETI signals may be an alien computer virus. Link
The United States is highly vulnerable to attack from electronic pulses caused by a nuclear blast in space, according to a new book on threats to U.S. security. Link
Movie-plot threats aren’t limited to terrorism. Bird flu is the current movie-plot threat in the medical world. Link
Kentucky has been awarded a federal Homeland Security grant aimed at keeping terrorists from using charitable gaming to raise money. Link
Plenty more if you go back into the archives.