Prevent your systems from being hijacked: A quick guide

Thwart 'passing-the-hash' attacks by following these steps

It's time to rethink some old, and now outdated, security truisms that enable a very scary kind of attack.

As computing power and programming prowess have increased, so have the means to make this attack simple, effective and lightning-quick, to the point where it's now a huge risk. Tools are freely available to let someone own your entire Active Directory infrastructure in a matter of minutes, without brute-force cracking or any other compute-intensive resources.

The attack is not new: It's known as a "passing-the-hash" attack, and it's been around for years. Those proficient in security matters know of the attack and the general principle behind it: Passwords are converted by Windows into a "hash" -- a fixed-size string of cryptographically transformed data -- every time they are created. This way, your passwords aren't sitting in plain text anywhere on your machine, nor are they transmitted in clear text when the authentication happens over the wire.

To continue reading, register here to become an Insider. You'll get free access to premium content from CIO, Computerworld, CSO, InfoWorld, and Network World. See more Insider content or sign in.

Join the Computerworld Australia group on Linkedin. The group is open to IT Directors, IT Managers, Infrastructure Managers, Network Managers, Security Managers, Communications Managers.

More about: etwork
References show all
Comments are now closed.
Related Coverage
Related Whitepapers
Latest Stories
Community Comments
Tags: freemium, security
Whitepapers
All whitepapers

iPhone 6 rumour rollup for the week ending April 21

READ THIS ARTICLE
DO NOT SHOW THIS BOX AGAIN [ x ]
Sign up now to get free exclusive access to reports, research and invitation only events.

Computerworld newsletter

Join the most dedicated community for IT managers, leaders and professionals in Australia