A report in 1997 by the President's Commission on Critical Infrastructure Protection found pipelines like this one "a huge, attractive and largely unprotected target array for saboteurs".
In the past, teachers have rarely if ever been singled out, and this attack raised fears that Iraqi schools, largely unprotected, could become targets.
One big change taking place internationally, according to Smither, is that terrorists are increasingly focusing on so-called soft targets–unprotected tourists, commuters and other civilians.
However, critics point out that tens of thousands of children are already in Europe, where they are already unprotected and are targets for abuse and exploitation.
The virus then takes around a year for the virus to mutate and target unprotected children.
Awareness campaigns on the dangers of unprotected sex largely target the young, while the media continues to perpetuate the stereotype of older people as impotent and chaste or perverted and figures of ridicule.
The commander of Attercliffe district, Superintendent John Hudson, says a policy of turning a blind eye to what is going on leaves those who work in massage parlours unprotected and a target for drug dealers.
She said: "He denied it was him on the video footage, saying it was Elvis". The crown lawyer said as police officers held their shields in front of them during the trouble, rioters targeted the unprotected lower parts of their bodies.
Once hackers find unprotected websites, they can target them with automated attacks.
But if all you're trying to do is carry out a strike on a static target in unprotected airspace, why not just send a regular attack aircraft (like they just did with the IS training camps in Libya)?
