Secure authentication with one-time passwords

Despite the biometrics boom, passwords are still the most popular means of authentication. In hostile environments, rogue users try to sniff or log password entries. You can foil these attempts by using one-time passwords. A one-time password becomes obsolete after it is used.

Even if an attacker were to sniff the password en route to the authentication server, the password would be useless.For a one-time password to work, the client must have some means for determining what password to use, and the server must know what password to expect.

[...]

Use Express-Checkout link below to read the full article (PDF).

Buy this article as PDF

Express-Checkout as PDF
Price $2.95
(incl. VAT)

Buy Linux Magazine

SINGLE ISSUES
Print Issues
Digital Issues
 
SUBSCRIPTIONS
Print Subs
Digisubs
 
TABLET & SMARTPHONE APPS
Get it on Google Play

US / Canada

Get it on Google Play

UK / Australia

Related content

  • Smart Access Intro

    Maybe password security isn't perfect, but most networks depend on it. This month we examine some tools for smarter, more versatile authentication.

    more »
  • Nitrokey Pro 2

    The Nitrokey Pro 2 is a small device that covers a wide range of cryptographic functions.

    more »
  • OpenKubus

    If you are ready to experiment, an OpenKubus USB stick just might solve your password problems.

    more »
  • 2FA

    Protect your system from unwanted visitors with two-factor authentication.

    more »
  • Secure Online Passwords

    Securely storing passwords online can be a complex task. With a few tools, websites can offer better security, but users still need to choose their passwords wisely.

    more »
comments powered by Disqus