A flaw that could cause denial-of-service attacks on Research In Motion's BlackBerry handheld devices has been discovered.
The Samba Team released on Tuesday a patch to fix two flaws that could result in disruptions for networks using the widely installed Unix and Linux software.
Security researchers have published details of a denial-of-service vulnerability which could allow hackers to attack Microsoft Windows and spin computers into senseless processing loops.
Security researchers have been infiltrating denial of service 'botnets' to study what may be an unstoppable Distributed Denial of Service (DoS) technique.
Sophos anti-virus has confirmed that it is in the preliminary stages of analysing a new Trojan that may be linked to an organised attack on Verisign's domain name servers.
Security researchers have been infiltrating denial of service 'botnets' to study what may be an unstoppable Distributed Denial of Service (DoS) technique.
A simple flaw in Internet Explorer 6.0 causes the browser to crash when it views pages containing malicious HTML code, a security researcher has found.
Hackers are increasingly focusing on Apple's Mac OS X, and the number of newly discovered vulnerabilities has surged. Such a switch could mean big implications for Apple's user base, which has traditionally not had to concern itself too much over security.
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.
An Australian security researcher has discovered a vulnerability in versions of OpenSSH, which companies are being warned could expose them to a hacker attack.
Microsoft has released four security advisories to fix security holes, the most serious of which could allow an attacker to take over the database functions of the company's SQL Server 2000.
Intrusion detection systems (IDS) have become indispensable in helping to manage threats and vulnerabilities, yet many companies have yet to implement one. Here are some tips and suggestions.
Apple Computer on Tuesday in the US released an update for its Mac OS X that repairs several security flaws and includes feature updates.
United States-based security company @stake (atstake.com) has released a security advisory detailing a Denial of Service (DoS) vulnerability in the Nokia 6210 GSM mobile phone, and although the flaw isn't serious it could be a sign of worse things to come.
Commentary: Anti-virus software won't protect you from the latest type of worm affecting Windows systems -- you need a personal firewall.
Rumour mill about Yahoo's future goes into overdrive
ZDNet correspondent Sumi Das talks with Editor in Chief Larry Dignan about the many variables at play in the Y… Watch it now
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