Find network and information security news, reviews and analysis, covering data protection, privacy, endpoint security, and security management.
  • New Windows worm builds massive botnet

    Posted December 1, 2008 - 6:02 pm

    The worm exploiting a critical Windows bug that Microsoft Corp. patched with an emergency fix in late October is being used to build a new botnet, a security researcher said Monday.
  • London hospitals almost back online after worm infection

    Posted December 1, 2008 - 11:46 am

    Three London hospitals whose computer systems were infected with a relatively old worm are now almost back online.
  • How do you encode hundreds of data points into one single graph? Use Sparklines.

    Posted November 30, 2008 - 6:13 pm

    Have you tried to visualize your traffic flows? Did you have the problem that your graphs got really cluttered? Did you find a way around that problem? Did you filter data? Did you aggregate multiple nodes into one?

  • Survey: Despite Risks, Employees Still Holiday Shop at Work

    Posted November 29, 2008 - 12:37 pm

    Most workers will do some kind of online shopping from their work computer in the coming weeks, according to a recent survey from ISACA, a global, nonprofit association of IT professionals.
  • Anti-virus no defense against botnets, says vendor

    Posted November 28, 2008 - 12:17 pm

    A new analysis of botnets has come up with a possible reason for their prodigious ability to infect PCs - many anti-virus programs are near to useless in blocking the binaries used to spread them.
  • Estonian ISP cuts off control servers for Srizbi botnet

    Posted November 27, 2008 - 1:20 pm

    An Estonian ISP that temporarily hosted the control servers for a botnet responsible for a large portion of the world's spam has cut off those servers.
  • How spyware nearly sent a teacher to prison

    Posted November 27, 2008 - 1:10 pm

    If there's a poster child for the dangers of spyware, it's Julie Amero. Here's her story.
  • Mumbai terrorist attacks don't deter technology companies

    Posted November 27, 2008 - 8:26 am

    Multinational companies in India shocked but unfazed by terrorist attacks in Mumbai.
  • Bayesian Spam Filtering

    Posted November 27, 2008 - 4:46 am

    Bayesian filtering is one of the most effective and intelligent solutions to combat spam email nowadays. Spam is a problem faced by all email users and it shows no sign of slowing down anytime soon; in fact, the number of spam emails is increasing daily.
  • Why you can't trust 'friends' on Facebook

    Posted November 26, 2008 - 1:57 pm

    If you're on Facebook, you've no doubt got a bunch of friends. And if you're like most Facebook users, you're certain those friends are exactly who they say they are. And you might be right. Or you could be wrong. They could be scammers posing as your friends.
  • Microsoft warns of new Windows attacks

    Posted November 26, 2008 - 1:49 pm

    Security researchers at Microsoft Tuesday warned of a significant climb in exploits of a Windows bug it patched with an emergency fix last month, confirming earlier reports by Symantec.
  • Who's been reading my cell-phone records?

    Posted November 26, 2008 - 11:02 am

    If Verizon Wireless employees could snoop into then-U.S. Senator Barack Obama's cell-phone records, as the carrier acknowledged last week, then mobile subscribers may worry how well protected they are. They should, according to some industry analysts and privacy lawyers.
  • Spammers regaining control over Srizbi botnet

    Posted November 26, 2008 - 10:38 am

    Security vendors say spammers are reconnecting with hacked PCs used for sending spam as evidenced by a rising number of spam messages circulating on the Internet the last few days.
  • Spam is silenced, but where are the feds?

    Posted November 25, 2008 - 10:42 pm

    Two weeks after McColo was dropped by its network providers, the company's data center remains untouched. That frustrates some security researchers who say that the servers used to control these operations could provide a treasure trove of evidence about cybercriminals.
  • Spam levels fluctuate as crooks try to revive botnets

    Posted November 25, 2008 - 5:24 pm

    The shutdown of California-based McColo Corp., a company that hosted a staggering variety of cybercriminal activity, cut spam by as much as 75% in the first few days. Two weeks later it's unclear whether spammers have resumed their usual practices.
  • Seven classic PC symptoms

    Posted November 25, 2008 - 4:52 pm

    Don't have 24/7 IT support? Don't panic. You can solve many of the most common computer problems yourself. Here's how...
  • Surveillance system helps police snare shooters

    Posted November 24, 2008 - 5:55 pm

    A network of electronic ears is quietly monitoring more than six square miles of high-crime Boston neighborhoods, listening for the telltale sounds of gunfire ripping, booming or crackling through the air.
  • Bug allowed free access to Sirius radio service

    Posted November 24, 2008 - 5:35 pm

    TippingPoint says it has found a flaw in Sirius satellite radio that could be used to get free service.
  • Symantec uncovers underground cybereconomy

    Posted November 24, 2008 - 4:19 pm

    Symantec is warning of a hugely profitable, online underground economy for stolen goods and fraud, where credit card and bank account details are sold and exchanged, following a year-long study.
  • Facebook wins spam suit

    Posted November 24, 2008 - 4:14 pm

    Facebook won a case against a spammer who was ordered to pay the social-networking giant $837 million in damages.
  • Why I didn't skip Microsoft Vista: Security

    Posted November 24, 2008 - 4:00 pm

    It's been a hard road for Vista, but even though negative perceptions have followed the OS since its release, IT professionals who have upgraded or are upgrading to Vista point to the OS's security as a major plus as compared to Windows XP.
  • Video

    Cyber-criminals Get Organized

    Posted November 24, 2008 - 2:29 pm

    Symantec just released a new way to make us lose sleep at night, called the Symantec Report on the Underground Economy. In case you weren't depressed enough by the regular economy, Symantec will be happy to bum you out about the increasingly organized world of hackers, spammers, and phishers.
  • Verizon employees fired for accessing Obama's cell record

    Posted November 24, 2008 - 12:26 pm

    Verizon has quietly fired the employees who couldn't resist the temptation of peeking at the President-elect Obama's cell phone records.
  • Microsoft purges phony security software from 1 million PCs

    Posted November 22, 2008 - 9:22 pm

    Microsoft said that the anti-malware tool it pushes to Windows users as part of Patch Tuesday removed fake security software from nearly a million PCs during nine days this month.
  • Old worm infects Department of Defense computers

    Posted November 22, 2008 - 9:13 pm

    Department of Defense computers have been hit with an old worm that the DoD won't discuss other than to say it is taking steps to mitigate its effects.
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