After analysing traffic from 68 ISPs around the globe, a security researcher claims that as much as five percent of all Internet traffic is from DDoS-attacks.
Denial-of-service attacks are growing faster than bandwidth is being added to the Internet, according to VeriSign, the company that administers the .com domain.
A technical contractor may have started a chain of events that led to security professionals divulging classified information
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.
A cyberattack that shut down Blue Security also felled thousands of blogs when the antispam site deflected the malicious hits, analysts said.
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.
The latest variant of the Zafi worm was discovered on Wednesday and unlike the previous two variants, Zafi.C has been coded to launch a DDoS attack against Google.com, Microsoft.com and miniszterelnok.hu, which is the Web site of the Hungarian Prime Minister.
Security researchers have been infiltrating denial of service 'botnets' to study what may be an unstoppable Distributed Denial of Service (DoS) technique.
Many network administrators new to Linux find it hard to transition from a point-and-click security configuration interface to one based on editing complicated and hard-to-locate text files. Here are seven easy things administrators can and should do to make their Linux server more secure and significantly reduce the risk they face.
The domain name system--the global directory that maps names to Internet protocol addresses--was designed to distribute authority, making organisations literally "masters of their own domain".
In 2002, users and companies got a respite from the disruptive viruses of 2001. But a more sophisticated generation of worms is on the way.
There are positive changes to XP's networking, but will they benefit your business?
Your data is important to you, but do you know if others are trying to get at it? ZDNet Australia investigates.
History of British PCs
The cash-strapped UK National Museum of Computing is home to an exhibition of the evolution of British PCs.… Watch it now
In this exclusive video interview, Optus chief information officer Lawrie Turner speaks to ZDNet.com.au about being the IT head for Australia's number two telco.
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