article_snippet.sent: No single measure can provide broad-spectrum protection against risks or adversaries," A new TSA report said.
article_snippet.sent: Therefore, risk-based, multi-layered security offers the greatest ability to mitigate risks through the application of flexible and unpredictable measures to protect commercial aviation.
article_snippet.sent: Although there is no perfect security system, the multiple layers -- which can be routinely enhanced or modified -- provide an effective means to secure passengers, employees and facilities," the TSA report said.
highlights_snippet.sent: A new TSA report says such measures would not lower the overall risk to the public .