News (28)

  • DNS servers do hackers' dirty work

    In a twist on distributed denial-of-service attacks, cybercriminals are using DNS servers -- the phonebooks of the Internet -- to amplify their assaults and disrupt online business.

  • New denial-of-service threat emerges

    A new kind of denial-of-service attack has emerged that delivers a heftier blow to organisations' systems than previously seen DOS threats, according to VeriSign's security chief.

  • Cyberattack knocks millions of blogs offline

    About 10 million LiveJournal and TypePad blogs were offline or barely reachable for several hours on Tuesday as the result of a massive denial-of-service attack.

  • TCP flaw threatens Web servers

    Two researchers in Sweden have found multiple flaws in the TCP stack that could lead to massive denial-of-service attacks if exploited. At present there is no workaround and there are no patches available.

  • MS attack raises DDoS concerns

    The attack that took many of Microsoft's sites off the Web recently may have been a new, and more dangerous, variant of the distributed denial of service attacks that have hit many high-profile sites over the last year. Is this the beginning of a new breed of sophisticated infrastructure attacks?

Features and Case Studies (17)

  • How to improve DNS security

    It's no surprise that domain name system (DNS) servers are vulnerable to a multitude of attacks, which can come in several forms. Here are tips on how to overcome these problems.

  • Securing DNS servers

    Whether it’s configurations within Microsoft DNS service that can be used to make a server more secure, or additional operating system and network environment configurations, there are small measures you can take to help offer greater security.

  • Take notice of three serious new BIND/DNS flaws

    DNS runs the Internet, and in most cases, BIND is the underlying DNS software being used. Any BIND/DNS flaws are serious business, and now admins need to address three new, critical BIND vulnerabilities.

  • Can e-mail survive?

    E-mail has taken a battering over the last year or so with mountains of spam and viruses delivered to our mailboxes daily. Can the problem be fixed, and can e-mail still be free?

  • How Estonia's attacks shook the world

    The idea that attacks on computer systems could provide an alternative method of spreading terror and disruption has been a concern for governments since IT systems began to proliferate.

Reviews (2)

Create an e-mail alert for "denial of service"
ZDNet Australia Alerts is an e-mail alert service which provides personalised news, features and reviews to readers’ inbox on an hourly, daily and weekly basis.
Alert:
denial of service


Frequency: *

Filter Tags

Latest Videos

Sponsored content

Power Centre - Content from our premier sponsors

Blogs

  • David Braue NBN needs workers on board
    Without consensus on labour issues, the eventual winner of the NBN may end up as little more than a lame duck and a cashed-up symbol of the conflict between the desire for progress and the lack of mechanisms to deliver it.
  • Array D'Ascenzo: Read p23 of security review
    Following yesterday's admission by the Australian Taxation Office that its courier had lost a CD containing the details of 3,000 self-managed super funds, it wants to review how it handles information. My suggestion: go back to the review completed in April.
  • Array Opening the floodgates on missing drives
    News headlines about portable storage devices going missing are as common as muck, but the problem could be even more widespread than you suspect.
  • More blogs »

Back to top

Featured