Intelligence sources believe that while a one-off attack on the mainland, an idea cherished by the terrorists, is possible, they are incapable of sustaining a major campaign on the other side of the water.
"There is nothing at the moment to suggest that this incident is related to any other alleged incidents, neither is there anything to suggest that this was anything other than a one-off attack.
The emerging history of Dzohkahr Tsarnaev suggests that while the much-expanded national security establishment has been largely successful at thwarting organized assaults by terrorists, it cannot prevent a one-off attack by an extremist-influenced sociopath.
"Domestic abuse is not a one-off violent attack.
But we are less likely to believe a nuclear war – as opposed to a one-off terrorist attack – is possible.
Will Coach Warzycha continue to bunker down in the back to play for the tie and hope for a one-off counter attack goal?
A con like Tiger's may be more typical of our time than a one-off domestic terrorist attack, however devastating.
"We won't see any large-scale attacks leveraging IoT, but instead one-off attacks against connected devices such as home routers, Smart TVs and connected car apps, for example, for sensitive and private information".
One-off attacks are possible, but so are simultaneous attacks that could trigger armed intrusions at the same facilities or on other critical infrastructure, such as banking systems.
New Labour's unwillingness to examine the quality of intelligence begs the question, what will happen if 11 September isn't a one-off and Britain is attacked?
You know, kind of a one-off, home grown-type inspired attack.
