Last week's Sapphire worm, widely known as SQL Slammer, infected more than 90 percent of vulnerable computers within 10 minutes, opening a new era of fast-spreading viruses on the Internet, according to a think tank.
The next generation of self-spreading code will be stealthier, more targeted and harder to defend against, a security expert predicts.
Australian businesses are being warned to install patches and signature files to protect against a worm variant which has surfaced in the US and Europe.
What's changed since Code Red wreaked havoc on the Net? Worms and viruses have gotten sneakier, but your antivirus software hasn't. Here's how to prepare for future threats.
An e-mail message that promises to reveal secret information with a password is a variant from the pesky Frethem worm family.
Would you be happier that Google collects data about your Internet history if you knew their log data was used to fight some seriously nasty worms?
OS X security scares, a Linux worm and Microsoft bragging about security: so why is the world a safer place?
Following a rash of Telstra customers reporting phishing attacks, the telco has issued advice on how to discern the real Telstra from fake ones -- but the advice it gives is more likely to help phishers than its customers.
Botnet operators have become public enemy number-one as consumers, businesses and governments fall foul to identity theft, DDoS attacks and spam. Yet no one appears to be able to stop the spread of bots -- except maybe the media.
The world of IT security is in chaos, with CSOs seemingly on the front lines of a full scale global cyberwar being fought out by government hackers, botnet-controlling criminal gangs and compromised Web sites. Can we ever hope to keep networks safe in such an environment?
Australian businesses are being warned to install patches and signature files to protect against a worm variant which has surfaced in the US and Europe.
What's changed since Code Red wreaked havoc on the Net? Worms and viruses have gotten sneakier, but your antivirus software hasn't. Here's how to prepare for future threats.
A very clever mass-mailing worm is spreading rapidly across the Internet and has many different components, each timed to trigger different processes.
The number of security events detected by companies in the first quarter of 2003 jumped nearly 84 percent over the preceding three months, according to a report.
Australian IT departments continue to battle worm and virus outbreaks. But are IT professionals doing enough to protect their organisations against these threats?
An e-mail announcing a new Trojan horse scanner is itself an Internet worm that could flood e-mail servers with useless mail.
While the media was preoccupied with Code Red last weekend, a second major worm was making the rounds. SirCam didn't target the White House, nor did it capitalise on Microsoft's vulnerabilities, nor did it specifically target Outlook. Stealth was just what the virus writer wanted, and under the crush of Code Red's press coverage, that's what SirCam got. Now SirCam is the number one virus in the world.
Antivirus management is complex, time consuming, and absolutely essential. Handing it over to a service provider could prove to be the easiestâ€"and safestâ€"option.
Keeping your network safe from viruses sounds easy, but watch out for complacency. Often, it's your own worst enemy.
Today’s PC viruses, Trojan horses, worms, and blended threats can cause run-of-the-mill Windows or application problems, that could also be caused by your typical hardware or software malfunction. Here are some suggestions for determining if a PC has a virus.
Can Chrome give Internet Explorer a run for its money?
ZDNet correspondent Sumi Das talks with Senior Editor Sam Diaz about the perks and pitfalls of the newly relea… Watch it now
Mission-critical now a meaningless phrase
Telstra's BT coat doesn't fit
Australian security: the lucky country
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