This was partially a security mechanism to stop programs from being able to corrupt control words on the stack.

But for reading information, we need to have a proper security mechanism in place.

"It's fair to describe the credential itself as a highly developed security mechanism," he added.

Its security model is extensible to support new security mechanisms.

Immediately after the end of the Cold War, we discussed new security mechanisms on our continent.

Until the security mechanisms are in place, the banking industry is offering a limited form of customer service on the Web.

The security mechanism on the original camera consisted of a challenge and response.

Then he waited for the security mechanism to announce his presence.

Every communication channel has its own set of security mechanisms.

When the system is working, it's important to use security mechanisms to keep attackers from disrupting it.