The phrase "a system of security" is correct and usable in written English.
It can be used when discussing measures, protocols, or frameworks designed to protect assets, information, or individuals from threats.
Example: "The company implemented a system of security to safeguard sensitive data from cyber attacks."
Alternatives: "a security framework" or "a security protocol".
Those who pray regularly at St Mark's Cathedral described a system of security within the compound that appeared strong, but could be lax.
What we are seeing is the slow sucking of emergency powers into the framework of the ordinary law, the legalisation of a system of security that began life as a device with which to escape the lawyers.
As if winking at the critics who called muzak (a portmanteau of Kodak and music) an instrument of societal control, the Muzak corporation branded itself a "System of Security for the '70s," as well as "The Total Communications System".
Look squarely at the future of the human family without being trapped in the past, and make the decision to shift to a system of security based on trust and dialogue".
Access between the different areas of the stadium was limited by a system of security gates until the end of the 2011 season, when Malmö FF announced that supporters would be able to roam the stadium freely, except for the areas occupied by away supporters.
A system of security measures and backup procedures preserved the integrity of the data and ensured restoration capabilities.
But at the same time we are determined to deliver a system of border security which is among the most secure in the world.
The legislature has established programs to provide a system of economic security and social welfare for various categories of citizens.
States were forbidden to enforce the law on their own and had to work through a system of collective security.
6) to create, without delay, a system of economic security measures in every sector in which we depend on the American and Asian markets.
He proposed the elimination of all nuclear weapons by the year 2000 and the establishment of a system of comprehensive security, a military doctrine that stressed reasonable sufficiency and recognized the complexity of the modern world.
