For decades they have waged guerrilla warfare against such targets as landlords, businesspeople, politicians, and security forces, and they have disrupted infrastructure by damaging transportation, communication, and power lines.
Responding agencies must be prepared to provide the equipment and supplies needed to carry on their operations, often in austere environments or those with disrupted infrastructure.
Polio, like many other vaccine-preventable diseases, was widely reported in Iraq during early 1990s due to lack of vaccine supply, poor maintenance of vaccine cold chain, and disrupted infrastructure of the health care system in the country.
Part of that is the use of cyber-weaponry to disrupt critical infrastructure and disable democratic machinery," he said.
Increased inundation during storm surges could disrupt health infrastructure in a time when it would be most needed.
The new interagency effort in Washington comes at a time when Israeli and American intelligence officials have been concerned by Iran's swift advances in its computer weaponry, particularly its ability to disrupt existing infrastructure.
The revelation comes amid heightened concerns that Russia has targeted Nato members, including the US, France, Germany, the Netherlands and Bulgaria, as part of a cyber campaign that seeks to weaken the governments of those countries and disrupt critical infrastructure.
There was not one word on the most extensive and continuous attempt to intrude into our computers, disrupt electronic infrastructure and steal technology and information.
The US has blamed Russia for a recent strike on its electrical grid, while the NCSC held the Kremlin responsible for several attempts to disrupt UK infrastructure.
