Terry Zink: Security Talk

Discussing Internet security in (mostly) plain English

April, 2010

  • Terry Zink: Security Talk

    How traffic shaping works, part 1

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    With all of the brou-ha-ha of the past couple of years surrounding Net Neutrality, and especially with a federal court ruling that the FCC had no grounds to enforce it, I thought that I would get into a bit about how traffic shaping works, which is at...
  • Terry Zink: Security Talk

    How traffic shaping works, part 2

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    Continuing on from my previous post , we can see that in a packet switching network, data goes from point A to point B with no regards to the type of data being carried.  Various algorithms compute the best path with no regards for the type of traffic...
  • Terry Zink: Security Talk

    Out of office spam

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    This past week we started seeing some examples of out-of-office or vacation reply spams being reported as false positives (ie, our filters caught them and users reported them as Not Faslse; this type of thing happens all of the time). What is happening...
  • Terry Zink: Security Talk

    How Microsoft tracks down pirates

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    I read a pretty good article on PC World today on how Microsoft tracks down pirates, that is, people who make illegal copies of their software (not the ones that roam the Caribbean).  Piracy costs the industry billions each year, and the most recent...
  • Terry Zink: Security Talk

    Why bother changing your password?

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    Last month, DarkReading had an article about how end users’ tend not to choose strong passwords, and indeed have poor password habits, due to their inability to draw a line of correlation between strong passwords and personal security. End users routinely...
  • Terry Zink: Security Talk

    Perhaps Australia has something to worry about after all

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    A couple of months ago, I posted an article that my own internal statistics did not suggest that Australia was a hotbed of zombie activity.  This was a follow up response to a previous post where I highlighted that Australia was kicking infected...
  • Terry Zink: Security Talk

    Microsoft releases its Security Intelligence Report, version 8

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    Today, Microsoft released its Security Intelligence Report, version 8.  The SIR is a twice-a-year (semi-annual? biannual?) document issued by Microsoft that reports on threats across the Internet industry, including email threats, malware threats...
  • Terry Zink: Security Talk

    Should we trust the libertarians?

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    One of the RSS feeds that I read is Reason magazine, which is a web site for libertarians.  In general, libertarians want less government intervention both in our personal lives and in the economy.  The idea behind libertarians is that today...
  • Terry Zink: Security Talk

    Vietnam rejects Google hacking accusation

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    I found this on Yahoo news today (via the AFP): HANOI (AFP) – Vietnam has rejected accusations by Internet giant Google that Vietnamese computer users have been spied on and political blogs hacked into. The US-based firm last week said infected machines...
  • Terry Zink: Security Talk

    More details on the Google cyberattack

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    The New York times has some more details on the Chinese cyberattack that hit Google back in January, prompting Google to threaten to withdraw from China and eventually redirect all traffic to google.cn to google.com.hk.  Below are some excerpts:...
  • Terry Zink: Security Talk

    US Air Force adds training in cyberwar

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    I read an interesting article today that the US Air Force is adding the basics of cyberwarfare for new recruits to its training: The US Air Force will train all new recruits in the basics of Cyberwarfare and add more advanced schooling for others to help...
  • Terry Zink: Security Talk

    Military asserts right to return cyber attacks

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    The Washington Post has a good article up today capturing comments issued by the United States military that it has the right to return fire when it comes to cyber attacks: WASHINGTON -- The U.S. should counter computer-based attacks swiftly and strongly...
  • Terry Zink: Security Talk

    Sarah Palin to take the stand in “hacking” trial

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    From the Associated Press : KNOXVILLE, Tenn. – A former college student charged with hacking Sarah Palin's e-mail account fears some jurors in heavily Republican East Tennessee could be dazzled when the conservative star testifies. A jury of 12 and two...
  • Terry Zink: Security Talk

    Apparently my reputation precedes me

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    I recently made a slight shift in the team I report to at work.  I’m still in anti-spam but the organization under which I report has moved a bit.  Anyhow, we were in a team meeting when my new boss asked people to go around and make introductions...
  • Terry Zink: Security Talk

    Newest round of Twitter spam

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    This one fooled me for a half second. I got an email to my work account indicating that I had 3 delayed messages in my Twitter account.  The social engineering technique is designed to get me to click on the link and redirect me to a spam site, and...
  • Terry Zink: Security Talk

    Federal Appeals Court rejects FCC’s bid to enforce Net Neutrality

    • 2 Comments
    Yesterday, a federal appeals court ruled that Internet traffic regulators like the FCC had limited power over web traffic under current law.  The court decision was a setback to efforts by the Federal Communications Commission to require companies...
  • Terry Zink: Security Talk

    Russian Cyberthief Case Illustrates Security Risks For U.S. Corporations

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    National Defense Magazine has an article up in their May edition about the case of a Russian cyberthief.  It illustrates the mindset of a hacker and the challenges faced by US corporations.  Here is an excerpt: “Vladimir” came from a good family...
  • Terry Zink: Security Talk

    CallService.biz shut down by the FBI

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    Gary Warner over at Cyber Crime and Doing Time has a good post up this week about the CallService.biz website being shut down.  I’m not going to comment on it, rather, I will post a few good excerpts.  On April 19th a friend sent me a Facebook...
  • Terry Zink: Security Talk

    Twitter’s efforts paying off

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    I’m proud of Twitter. Last year they started taking action to reduce the amount of spammers on their network.  As a free service, they are the target of abuse attacks.  Yet in the beginning, it’s not something that most services need to worry...
  • Terry Zink: Security Talk

    Assessing the botnet threat

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    I came across this video today.  Botnet researcher Joe Stewart discusses the current threat levels presented by botnets, recent attacks from Operation Aurora and the Black Energy botnet, and how to protect your enterprise from DDoS and other botnet...
  • Terry Zink: Security Talk

    An ominous warning

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    Those of you who have been following my blog for a few months know that this past November while I was in Peru, a spammer tried to kill me .  This was the same guy who tried to take me out when I went to China a year earlier.  In this latest...
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