The phrase "a security alert to" is correct and usable in written English.
It can be used when notifying someone about a potential security issue or warning that requires attention.
Example: "The system generated a security alert to inform the users of the recent breach in data protection."
Alternatives: "a security warning to" or "a security notification to".
The state was put on a security alert to prevent any violent reaction to the killing.
When Tamerlan Tsarnaev left the country on Jan . 12 , 2012for a six-month trip to Dagestan and Chechnya, predominantly Muslim republics in the North Caucasus region of Russia, his flight reservation set off a security alert to customs authorities, the homeland security secretary, Janet Napolitano, told a Senate committee on Tuesday.
His flight reservation set off a security alert to customs authorities when he departed, Ms. Napolitano said, in spite of a "mismatch" in the spelling of his name on his airline ticket, his travel document and the passenger manifest of his flight.
The Federal Deposit Insurance Corporation issued a special alert last month, notifying bank executives of the problem, and Thomas Kelly, a spokesman for J.P. Morgan Chase, said that it had issued a security alert to all its branches regarding the counterfeit postal money orders.
The club has also confirmed that Wednesday night's fixture will go ahead after a security alert at Anfield came to an end.
Mr Davis asks Sir Alan to consider claims that Mr Blunkett passed on confidential information about a security alert at Newark airport in New Jersey to Mrs Quinn for "personal reasons".
A grenade was thrown at police officers during a security alert at Southway in Londonderry on 9 May.
France raised its security alert to the highest level in the wake of the attack.
It is understood the closure is temporary and follows a security alert issued to all Israeli tourists in Sinai yesterday.
The PSNI have said "nothing untoward" has been found during a security alert close to a police station in Londonderry.
Residents evacuated from their homes in Londonderry due to a security alert have been allowed to return.
