Apache Closes Down Vulnerabilities

Sep 10, 2007

No less than five vulnerabilities were eradicated by the release of a new version of the Apache Web server.

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Survey: Instant Messaging Dangerous for Businesses

Aug 28, 2007

A joint survey performed by security experts from Infowatch and Russia's Securitylab points to the dangers that Instant Messengers (IM) can mean to enterprise communications structures.

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Security Holes: Bugzilla Recommends Update

Aug 27, 2007

The developers of the free bug tracking system, Bugzilla, advise users of older versions to update for security reasons.

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Vulnerability in GNU "tar"

Aug 24, 2007

Linux distributor Red Hat has discovered a vulnerability in the GNU "tar" program that could allow attackers to overwrite files.

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Bluetooth Hacks Exploring the secrets of Bluetooth in Linux

Jul 01, 2007

The user rules in Linux – if you know where you’re going. This month the trail leads deep into the Linux Bluetooth stack.

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Blocking Spam Intro Facing down the masterminds of unsolicited Internet mail

Mar 01, 2007

Spammers charge real money for their dubious services, and hundreds of advertisers are willing to pay. We’ll show you some innovative techniques for controlling and containing spam, including strategies for slowing down spam bots, keeping spammers from getting your address, and separating spam from legitimate email.

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Charly's Column The Sysadmin’s Daily Grind: Arpalert

Dec 01, 2006

Corporate policies prohibit the unauthorized connection of hardware to the company network, threatening dire consequences in the case of non-compliance. Fair enough, but how do you actually go about catching somebody trying to plug an illegal laptop into your Ethernet?

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Crypto Tricks Intro Disk-level cryptography in Linux

Nov 01, 2006

Today’s computers are fast enough for some very sophisticated cryptography techniques. We’ll show you how to keep your data safe from the prying eyes of snoops and spies.

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