PC World Business

Qantas’ online booking site today breached the privacy at least two of its customers, with their personal details revealed to another party when they attempted to access flight check-in [[xref:http://www.qantas.com.au|information online]].

An Austrian security vendor has found a vulnerability in Windows Vista that it says could possibly allow an attacker to run unauthorized code on a PC.

The Internet engineering community is grappling with what to do about a serious flaw in the DNS discovered mid-year, and the ongoing debate brings to mind a famous quotation from Voltaire: "The perfect is the enemy of the good."

The head of VMware's security group has left to join San Francisco's OpenDNS, a startup that provides Internet infrastructure services.

As President Bush prepares to leave office, the task of upgrading the security of federal information systems to deal with new cyberthreats continues to be very much a work in progress.

An unsavory connection from your past. An annoying link to your name that's dragging down your career. A spicy quote you tossed off to a reporter that you wish you could take back.

Frank Boldewin had seen a lot of malicious software in his time, but never anything like Rustock.C.

When it comes to children and the Internet, most parents focus on safe Web browsing. That's understandable, given that the Web can sometimes seem like one big Red Light District. But the Web isn't the only source of objectionable material online. E-mail can be just as bad.

Just because you don't have a large enterprise doesn't mean you can't run your IT operation like the big guys. Here are seven ways to help your SMB--a small or medium-size business--implement some of the lessons big IT operations have learned over the years. Using these tips, you should be able to improve productivity, cut costs, and keep your business running smoothly.

The Internet will mark an infamous anniversary on Sunday, when the Morris worm turns 20.

Does my company need to be more proactive about insiders during hard times?

Here's a statistical downer: there will be around 40 trillion inbox-clogging spam e-mail messages delivered this year. Experts know this because there were 30 trillion spam messages last year. With this much hay in the stack, it's hard to find those message needles, and that's why some smart companies are looking beyond public e-mail.

There has been a long history of attacks on the Domain Name System ranging from brute-force denial-of-service attacks to targeted attacks requiring specialized software. In July 2008 a new DNS cache-poisoning attack was unveiled that is considered especially dangerous because it does not require substantial bandwidth or processor resources nor does it require sophisticated techniques.

Heard about a competitor's security being breached? Then you're probably next. In fact, you may already be owned.

What if I was to tell you that I have a secret that could end the Internet as you know it? What if I was only going to tell you at a fee-based conference once speculation had gone on for a month or more? How would you respond to that?

In his 25 years in business, Steven Rambam has worked on some high-profile cases, including tracking down Nazi war criminals in Canada. He also owns PallTech, an investigative database service with more than 25 billion records on US citizens and businesses.

Edward Amoroso is the chief security officer at AT&T in the US, as well as a professor who has written several textbooks on information security. Amoroso spoke with Jon Brodkin last week in Boston, where he delivered a keynote about network security during Forrester's Security Forum.

Zack Anderson was one of three MIT students who caused a stir over the summer when they decided to disclose flaws they discovered in the Massachusetts transit authority's "Charlie Card" fare system.

VeriSign is in many ways synonymous with managing the Web, thanks to its handling of key DNS root servers and of name resolution for .com, .net, and other domains. In recent years, it's had both strong ups and strong downs.

John Stewart doesn't talk like your typical corporate executive. He said that his company, Cisco Systems, has been lucky when it comes to security and that his company's Self-Defending Network marketing push has painted "a big bull's-eye" on its products.

Microsoft tried to make the simple task of addressing a message easier in Windows Mail. They succeeded in making it less intuitive.

If you click Start, type cookies, and press ENTER, Vista tries to do what XP did: Take you to your Cookies folder, located at C:\Users\your logon\cookies. Except that the Cookies folder isn't there. What is there is a pointer that tells Vista where the real cookies folder can be found. Since Vista doesn't believe you should be privy to this information, it tells you it's not accessible.

Do-it-all suites are the name of the security game these days. Sure, you can gather free programs that cover the bases much as a suite would, but who wants to bother with finding out which apps work together and which ones might leave you pulling your hair out?

If you use Firefox 3 and Yahoo Mail (the nice new interface, not Classic), you might be dealing with a bug I've noticed where the message pane scrollbar doesn't display. It's not a game-breaker, as you can still use the page-down and page-up keys to navigate, but it's an annoyance.

Ever since the computer age began, boffins have worked to reduce the amount of space required by digital data through compression. Take music, for instance. A typical album in CD format uses about 600MB of storage. Converted to MP3s, however, the files are compressed to just 60MB.

New exploits against VoIP continue to emerge, but experts say these demonstrations reveal the need for vigilant security and are not fatal flaws to the technology.

Spyware ranges from the merely annoying to the potentially devastating, but our Anti-spyware guide will keep your PC pesk free.

If you have multiple computers around the home or office and want to network them together to share an ADSL Internet connection then this guide is for you.

By investing a little more in a surge protector, you can protect and prolong the life of your electrical products.

Uninterruptible Power Supply, or UPS are designed to save you heartache and money.