The phrase "a small security" is correct and usable in written English.
It can be used in contexts where you are referring to a minor or limited form of security, such as in finance or safety measures.
Example: "The company implemented a small security measure to protect sensitive data from unauthorized access."
Alternatives: "a minor security" or "a limited security".
Let's say at one extreme Apple invests $2 million dollars in a small security and engineering team that develops a physical and virtual vault to securely develop and use the patch.
Qatar has a small security force and minimal security at its international airport.
While this is a small security risk (to you) it may be worth it.
He is staffing his country's embassy along with a small security detail.
Lucas, who also owns a small security company, continues to live in the Portland area with his wife, Pamela.
Further, the Ravens will bring a small security force of off-duty Maryland police officers as extra protection for players and team personnel.
The space previously housed a small securities firm, lending it a certain authenticity in its Wall Street neighborhood.
And some N.A.S.D. members will oppose the combination, said Alan L. Davidson, a frequent critic of the association who runs a small securities firm in Jericho, N.Y.
A small securities firm in New York that is run by Kenneth G. Langone, a director of the New York Stock Exchange and a founder of Home Depot, illegally shared in customer profits by overcharging them to trade in hot new stock offerings during 1999 and 2000, according to a lawsuit filed yesterday by securities regulators.
Levy rose from being research analyst with a small securities firm to senior partner of Oppenheimer & Co., founder of the Oppenheimer mutual fund empire, and finally founding partner in Odyssey Partners, a hugely successful private investment partnership.
In 1925, Kimball and Joseph W. Greenhalgh, a Latter-day Saint businessman who served as a bishop in one of the local wards, began a small securities business making and purchasing loans from local businesses and individuals.
