Following a wave of subversive activity, including the failed infiltration and the March 1951 bombing of the Soviet embassy in Tirana, the Albanian regime implemented harsh internal security measures.
在一连串的破坏行动，包括已失败的渗透行动和1951年3月地拉那苏联大使馆炸弹袭击之后，阿尔巴尼亚政府采取了严格的内部安全措施。