"far less secure" is a correct and usable phrase in written English.
It is used to describe something that is much less secure than something else. For example, "The new security measures are far less secure than the old ones."
First, most point-of-sale terminals will require chip-and-signature, which is far less secure than chip-and-pin — a security shortcut chosen by the financial industry.
American economic life has become far less secure over the past 25 years, and more than anything else changes to economic security are associated with changes in national fertility rates.
More recently, we may have risked making the world far less secure by providing waivers from stringent laws prohibiting the sale of high tech security equipment to authoritarian places -- making sure that our firms don't miss out on the market for making the Olympics safer.
But Hales, the Test cricketer, is far less secure.
At the same time, the status of ImClone was far less secure.
Along with Parwan, the Mercy Corps program operates in Kandahar Province, which is far less secure.
By contrast, the worst-off families are far less financially secure than before the recession triggered by the near- collapse of several major banks.
Obama didn't name them all, but a decent list would look something like this: new technologies that have made some blue-collar work obsolete; a slowing in the nation's educational attainment; the shriveling of labor unions; the increase in one-parent families, which are far less economically secure; and the rise of other countries that have huge low-wage work forces.
While this is also true for women in general, older women may have an additional reason for voting Democratic: because they are far less economically secure than older men, they may be more responsive to Democrats' promises to protect government benefits.
If people in your small American town are far less economically secure than they were in living memory, or if you're a young British person facing the prospect that you might never own a home, it's not particularly consoling to be told that more and more Chinese people are entering the middle classes.
Women are the primary or co-breadwinners in two-thirds of American families, but they are far less financially secure than men.
