Heffner, like most security researchers revealing dangerous bugs, argues that releasing an exploit may be the most effective way to draw attention to severity of the problem and convince both browser and router makers to fix the fundamental vulnerability.

FORBES: "Millions" Of Home Routers Vulnerable To Web Hack

Weber added that a fire on board was the most dangerous situation for a pilot because the only way to escape it was by jumping overboard.

CNN: How safe is hot air ballooning?

Facility directors, she says, have now been warned to expect Chechens driving up to the gates and trying to bash their way through, and Russia is also heeding American requests to concentrate the most dangerous nuclear materials in fewer sites.

ECONOMIST: The time-bombs of Tomsk

Most make their way to the South by a long and dangerous land route, she says.

BBC: North Korea soldier 'defects to South'

He said there was no way of ensuring that the parts of the animals considered most dangerous, the brain and spinal column, were being removed safely.

BBC: Renewed British mad cow disease warning

In Johnson, Everton had the game's most dangerous looking forward, even if few chances had come his way until that dramatic finale.

BBC: SPORT | Football | Premiership | Everton 1-0 Arsenal