“安全感胁”可能是表述有误,推测你想表达的是“安全威胁”,其英文表达为 security threat 。
“security”意为“安全;保障”;“threat”意思是“威胁;恐吓” ,二者组合“security threat”就是指对安全造成潜在或实际危害的情况、行为或因素等。例如:The government is taking measures to address the security threat posed by cyber attacks.(政府正在采取措施应对网络攻击带来的安全威胁。)