The phrase "another layer of security" is correct and usable in written English.
It can be used when discussing measures taken to enhance safety or protection in various contexts, such as technology, finance, or personal safety.
Example: "To protect our sensitive data, we implemented another layer of security by adding two-factor authentication."
Alternatives: "an additional security measure" or "a further security layer."
It means you keep something the hacker cannot get to, securing your account with another layer of security.
It adds another layer of security and greatly reduces your risk of being compromised.
You also have to authenticate yourself biometrically before you can make any transactions, which adds another layer of security to mobile phone payments".
Another layer of security is provided by an outer box that can be opened only with a code given to building employees.
(Recent versions of major browsers all now use green in some way to indicate the existence of another layer of security called an extended validation SSL certificate).
Monitoring passengers' behavior "adds another layer of security to the airport environment and presents the terrorists with yet one more challenge they need to overcome" in their efforts to defeat airport security measures, the agency said.
Better intelligence and coordination, as we have seen out of New York and Denver recently, show another effective layer of security — stopping the would-be terrorist in the planning phase, well before he or she reaches execution.
Combined with voice recognition, you can see how the third option would provide yet another layer of added, personalized security, which would be very hard to beat via conventional machine-based security workaround tools.
"It is another layer, an intelligence-based layer of security," Mr. Pistole said.
"We're excited to offer this new authentication method for our iOS users right out of the gate, giving them another option for adding an extra layer of security to their LastPass vault".
