I’ll likely be adding a few more categories to better be able to organize my posts. When I started out with this format, I thought nested categories were a good idea. After seeing them in practice, I’m thinking I may wind up renaming some existing categories so that things maybe will make a bit more sense. Anyway, this is just a “heads up” to let you know that the structure of categories will likely be changing if not this week, after the new year.
Author: Avery
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Network Security guide for the home or small business network – Part 11 – Why?
Alright, so you’re still reading this series and you’re thinking. Look, I’m not protecting national security secrets. All I’m doing is (running a business|emailing my grandkids|using the web for research).
True, good point. You’re not at the defense department. OK. Let’s say you just use your computer for email and web browsing. That’s low priority stuff right? No sensitive information on your PC? Do you ever do banking online? Yes – then you should be concerned… No? You should still be concerned… here’s why…
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Disinfecting a PC… part 10
Before I get things wrapped up, I like to scan rinse and repeat until the scans come up clean. So, this scan of AVG gives a chance to delete the archive entry I mentioned the first pass it took. And spybot get’s updated from the internet and re-runs. All looks clean there… Ad-aware get’s an update check and runs again. Everything there looks clean now. The next thing to do is disable and uninstall tightvnc, I don’t want to leave bhodemon running at boot or the tea-timer from spybot now that things are fairly settled.
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Giving the gift of PC security
Brian Krebs at the securityfix has a good article for those that are getting a new pc for Christmas (or those that know someone who is.) He has a nice outline of setting up limited privilege user accounts, installing windows updates, using a firewall and using antivirus. This is a nice concise guide to get a Windows machine tweaked to a fairly secure state.
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More on the Santa IM worm
There are a couple of stories out about the Santa IM worm, otherwise known as IM.GiftCom.All. First up Sans has some interesting analysis of it. It appears that it’s being hosted at 69.56.129.67, when run it resolves smtp.girlsontheblock.com to 38.118.133.241 and attempts to open tcp port 53. It renames itself as c:\windows\winrpc.exe and sets up shop as “Windows RPC Services”. They’re saying instead of a worm it should be more accurately termed a bot with replicating capabilities, it is reliant on controls from an outside site. (From their analysis I presume the 69. ip address above?)
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Quicktime and iTunes vulnerabilities
Details of a vulnerability in Apple’s Quicktime and iTunes reported at betanews.com. Secunia also has an advisory. It is listed as moderately critical and affects the current version of both quicktime and itunes on Mac or Windows.
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Network Security guide for the home or small business network – Part 10 – use good passwords
In a small, trusted network you might be able to get away with weak passwords for file sharing for instance. What’s a weak password? Anything you might find in a dictionary. Most people don’t realize this, but there are programs designed to crack passwords. They’re designed to take a dictionary file and run through it trying every combination possible. It might take a while, but this kind of brute force attack can be VERY effective against a weak password.
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Disinfecting a PC… part 9
Ok – about 22 or 23 critical updates for Windows ME. I’m suspecting it’s never visited the Windows update site. While it’s going I make sure that the adware scanners and antivirus scanner get to pull updates from the web as well. It’s also time to scan for running network services that shouldn’t be running. It may be a dialup machine, but we don’t want UPNP listening over the connection.
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Book Publishing in small quantities or on demand lulu.com
This may be the first in a series of several profiles looking at different ways to get published online. The internet has been a disruptive technology for so many industries. Book publishing is one of those. Used to you would submit a manuscript to publishers shopping around for someone to take your work. These days it can be as simple as going online and shopping between several publishers, uploading your book (or calendar, pictures or other content) and then letting them take care of the publishing details, selling, printing on demand and you haven’t had to deal with a rejection letter yet….