We believe that the only viable strategy for authenticating users is to apply the defense in depth principle, mixing a number of authentication techniques.

我们相信用于认证用户的唯一可行的策略是以深度原则应用防御，混合多种认证技术。

youdao

There are a number of different types of biometric authentication that are used in real-world systems.

在现实世界系统中使用的生物认证有许多不同的类型。

youdao

This sort of authentication is widespread, but has a number of associated problems.

这类认证被广泛采用，但存在许多相关问题。

youdao

The unique number will be put on an identity card which will have biometric authentication, such as fingerprints and photographs.

VOA: standard.2009.09.24

Veritel of America is one of a number of vendors demonstrating voice authentication technologies.

CNN: Comdex: With biometrics, you're the password

He also advised adopting two-step authentication, which involves a personalised "secret number" allocated to users in addition to a username and password, and ensuring that the latest version of Wordpress is installed.

BBC: Wordpress website targeted by hackers

Nevertheless, of the ten workshops put on by the FTC last year identity theft, security, and authentication seem to not have been addressed, although a number of workshops dealt with issues of privacy broadly.

FORBES: Yet Again Consumers Rank Identity Theft As Top Concern