So there are multiple levels of security in place."

VOA: standard.2010.05.27

Such classified computer systems are protected by multiple levels of security and are among the most "hardened" systems against digital attack.

CENTERFORSECURITYPOLICY: Center For Security Policy

So, PayPal has multiple levels of security that protect my password.

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Thanks to advances in chip design and computational throughput, a typical SoC today contains multiple cores to deliver extremely high levels of packet processing, security functions, signal processing, programmability and more.

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