Tags: firewalls, hacker, hat

News (35)

• Is there a hole in your wireless network?

  White-hat hackers are being employed to expose one of the newest and potentially most dangerous security holes in business, in the form of wireless computer networks.

• Setting up a strong Linux firewall

  Linux has long been a popular option for those who want to save some big money and who don't mind rolling up their sleeves and building the firewall configuration themselves. How can you build a strong Linux firewall?

• Net vigilance

  The days when you might have left your virtual front door unlocked are long gone. More and more organisations are experiencing unauthorised use of computer systems. And, if experts are right, it's only going to get worse! Read ZDNet's comprehensive guide on Net security, and start protecting yourself.

• Unpatched VoIP hole cracked at Black Hat

  Researches have demonstrated a vulnerability in VoIP software which they claim allows a the hacker to take control of a victim's computer.

• Vista hacked at Black Hat

  While Microsoft talked up Windows Vista security at Black Hat, a researcher in another room demonstrated how to hack the operating system.

Blogs (1)

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  Baiting the Black Hats?

  The CIO of a rather large Australian company recently told me that the firm was happy with its security set-up but then quickly made a U-turn. Would that statement, on record, effectively lay down a hacker challenge?

Features and Case Studies (25)

• Security: Are you fully armed?

  Security is like an onion: getting to the heart of it makes people cry a lot. But in order to protect your systems, security vendors are now recommending an onion-like multilayered approach.

• Setting up a strong Linux firewall

  Linux has long been a popular option for those who want to save some big money and who don't mind rolling up their sleeves and building the firewall configuration themselves. How can you build a strong Linux firewall?

• Better tools let hackers strike more quickly

  Increasingly, attackers are using better tools to find vulnerabilities quickly, exploit flaws and hide their attacks.

• Security: Companies asleep at the wheel?

  IT observer Jon Oltsik says corporate network defenses protect against the wrong enemy. Additional reading: Microsoft's bounty hunter

• Hackers: Under the hood

  Mudge, Kevin Mitnick, Adrian Lamo, Jericho and Raven Alder speak to ZDNet Australia about the making of a hacker.

Reviews (6)

• Keeping it virtually private: 5 Firewall/VPN cards tested

  Want to put a VPN or firewall on your network card? A new class of product handles all the processing, keeping your server free to do the hard work.

• Seven mail servers tested

  Microsoft Exchange might be the most popular mail server but is it the best? We test the alternatives.

• Meet the dark side of Windows XP

  While I really like Microsoft's new operating system, there are still some issues that may make it impossible for you to upgrade. And other issues may make you want to skip XP entirely. Here are a dozen potential roadblocks to consider--don't upgrade before you read this!

• Worry-free wireless

  Everybody's going wireless"even those intruders who are after your precious data. Here's how to stop them.

• Should You Set Your Sights on Windows XP

  Microsoft's Windows XP has received a fair amount of hype in the lead up to its release-Matt Lake and Josh Mehlman assess its usefulness for businesses.

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