"security unrest" is correct and usable in written English.
It is typically used to refer to a situation in which people do not feel secure due to the political and social conditions of a region or country. For example, "Protests erupted in the region due to security unrest."
Although the king of Bahrain has since promised reforms to prevent abuses by security forces, unrest has continued there.
The stability of the prince's family is crucial for Monaco's numerous banks and its financial sector which craves security, not social unrest.
The official news agency SANA said the shipment, intercepted at the Tanaf border crossing on Monday, was intended "for use in actions that affect Syria's internal security and spread unrest and chaos".
"The security and political unrest and chaos the region is witnessing create the atmosphere for such criminal and condemned acts which threaten the security and stability of all countries of the region," the official said.
Given the current political climate, national security landscape, geopolitical unrest, nuance can be in short supply.
Two experts contacted by the BBC have said that the rise may be linked to the heavy use of teargas by security forces policing unrest in the kingdom.
The idea of international security or political unrest, well simply, it just didn't happen to nice girls like me.
From all I'd heard, Haiti would be hot, dirty, poor, with a lack of security and political unrest always lurking.
Volunteers Help Restore a Sense of Security Amid the unrest, the people of Ferguson came together to help their fellow townspeople in this time of need.
The governor of Barwon Prison, Brett Ryan, refused the request on the grounds that the tarot readings might also undermine the prison's security, potentially cause unrest or be used as a tool to manipulate vulnerable prisoners.
