Terry Zink: Security Talk

Discussing Internet security in (mostly) plain English

  • Terry Zink: Security Talk

    Can I opt-out of opinion spam? Because that would be nice.

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    Last week, my parents were in town and they were staying at my place.  I was commenting to them that my wife and her mother get along okay, but only because they are not living under the same roof.  Her mother has a habit of giving her plenty...
  • Terry Zink: Security Talk

    Cisco buys IronPort

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    I was going to write a post on the story that Cisco just bought IronPort, but Richi Jennings beat me to it. :) I was an employee of Frontbridge Technologies when Microsoft bought us in July 2005. A year earlier, Symantec bought Brightmail. CipherTrust...
  • Terry Zink: Security Talk

    Classic Viagra spam

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    It's been a while since I processed the spam abuse inbox, but I came across the following spam message today. Usee \/ i a g r /\ Proo and all wmoen wiill be yorus. Etxend the qualtiy of yoour sxeual perfromance with Ge |\| eerik \/ i a g r /\. ...
  • Terry Zink: Security Talk

    Clearing up some data on comparisons

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    I was reading Trend Micro’s blog the other day where they take aim at Microsoft’s claims for its new Internet Explorer 9 browser and how the Smartscreen built-in protection feature was doing at blocking malware.  Trend decided to look at the effectiveness...
  • Terry Zink: Security Talk

    CollegeHumor – If spammers wrote ads

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    I’m currently traveling, but here are some humorous things I have come across on the web. See more funny videos and funny pictures at CollegeHumor .
  • Terry Zink: Security Talk

    .com – the riskiest TLD

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    A couple of weeks ago, NetworkWorld published an article indicating that the .com TLD was the riskiest TLD in terms of containing code that can steal passwords or take advantage of browser vulnerabilities to distribute malware.  Here’s an excerpt...
  • Terry Zink: Security Talk

    .com – the spammiest TLD

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    Following up from my post yesterday, I thought I would take a look at how spammy each particular TLD is.  At the moment, I only track 8 TLD’s - .cn, .ru, .com, .net, .org, .info, .biz and .name.  To check to see which one is the spammiest, I...
  • Terry Zink: Security Talk

    Combating phishing

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    From time to time, customers call in and ask us what we are doing to combat phishing attacks. My guess is that they are really asking how we combat spoofing as most malware attacks delivered via email use spoofing (that is, they imitate someone they are...
  • Terry Zink: Security Talk

    Couple more thoughts on the Twitter attack

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    Earlier, I blogged that Twitter was DOS’ed last Thursday to go after one guy who goes under the user alias Cyxymu.  I postulated that someone was impersonating Cyxymu in order to discredit during a spam blitz and then DOS’ed various sites where he...
  • Terry Zink: Security Talk

    Cool Pepsi commercial

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    A reader sent me this link, it's a video of a new Pepsi commercial where they turn the city of San Francisco into a pinball machine. As the subject line says, it's pretty cool.
  • Terry Zink: Security Talk

    Comparison: Top malware threats

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    All Spammed Up published a post this week highlighting the top seven malware threats for that (May 3).  Here they are: MyWebSearch (delivers rogue pop-ups, tracks surfing) Vundo (Rogue A/V, information stealer) Dr. Guard (Rogue A/V) OnLineGames ...
  • Terry Zink: Security Talk

    Conficker - The Enemy Within

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    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 ...
  • Terry Zink: Security Talk

    Consumer vs Enterprise

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    Recently, at a Sharepoint conference in early March, Microsoft co-founder and chairman made the following comments regarding Google: “In terms of Google, not to overstate it, but they really don’t understand the special needs of business....
  • Terry Zink: Security Talk

    Context matters

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    A few weeks back, me and my crazy co-worker (the one who insists that all mail must have SMTP AUTH in order to not be considered spam regardless of its content or what proportion of the target end user considers it spam) were in another discussion about...
  • Terry Zink: Security Talk

    Cyberattacks hit US, South Korea

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    From the Associated Press : SEOUL, South Korea – South Korean intelligence officials believe North Korea or pro-Pyongyang forces committed cyber attacks that paralyzed major South Korean and U.S. government Web sites, aides to two lawmakers said...
  • Terry Zink: Security Talk

    Cybercrime forum suspects arrested

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    Over at Graham Cluley’s blog , news out of England that two suspects have been arrested by the British police: Britain's Police Central e-crime Unit (PCeU) have announced today that they have arrested two men as part of an eight month investigation into...
  • Terry Zink: Security Talk

    Credit card hackers and hotels

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    Last week, the New York Times reported an interesting story: the hotel industry is a favorite target of hackers. A study released this year by SpiderLabs, a part of the data-security consulting company Trustwave, found that 38 percent of the credit card...
  • Terry Zink: Security Talk

    Does Stuxnet, Flame, etc., unleash a Pandora’s Box?

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    In my previous post where I linked to an New York Times article, the last paragraph is the following: Mr. Obama has repeatedly told his aides that there are risks to using — and particularly to overusing — the weapon. In fact, no country’s infrastructure...
  • Terry Zink: Security Talk

    Do tech-savvy readers practice what they preach?

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    While at the Virus Bulletin conference in Dallas last week, Sabina Raluca Datcu and Ioana Jelea of BitDefender gave a presentation entitled “ Practise what you preach: a study on tech-savvy readers’ immunity to social engineering techiques .” In this...
  • Terry Zink: Security Talk

    Digging through the problem of IPv6 and email, part 3

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    IPv6 changes things up because there are 128-bits in an IP address. Here’s an example from Wikipedia: It’s beyond the scope of this post to describe the notation of IPv6, but you can see that a /32 is no longer the smallest IP range, it is now /64. The...
  • Terry Zink: Security Talk

    Distribution of spam by country in the past 4 months

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    Sophos recently posted on its Naked Security blog the top 12 countries relaying spam for the past quarter (July – September).  I thought I would go and do my own comparison. Before I post the results, here are some disclaimers: This is only on post...
  • Terry Zink: Security Talk

    Déjà vu–Gmail attacked by hacktivists… again

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    In January 2010, Google was the victim of a cyber attack.  Google employees were sent spear phishing attacks and the attackers were able to make off with some important code.  This was about a year and a half ago.  At the time, there was...
  • Terry Zink: Security Talk

    Daily spam trends - is there a pattern?

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    A couple of months ago, I posted on daily historical spam trends wherein I examined whether or not some days of the week experience higher volumes of spam than others. I have supplemented that study with some more data. To begin with, are some days of...
  • Terry Zink: Security Talk

    Designing secure data transfer

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    As I have mentioned before on this blog, I’m currently designing an iPad app and I want to build it with security in mind.  Even though I don’t think I’ll be a hacking target (not enough money in it for them, and I suck at marketing), I still want...
  • Terry Zink: Security Talk

    FireEye knocks Mega-d offline

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    From the Register : A botnet that was once responsible for an estimated third of the world's spam has been knocked out of commission thanks to researchers from security firm FireEye. After carefully analyzing the machinations of the massive botnet, alternately...
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