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	<title>Michael M. Knight &#187; Viruses</title>
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		<title>Twitter Dangers</title>
		<link>http://www.michaelmknight.co.uk/2009/07/twitter-dangers/</link>
		<comments>http://www.michaelmknight.co.uk/2009/07/twitter-dangers/#comments</comments>
		<pubDate>Fri, 31 Jul 2009 01:22:45 +0000</pubDate>
		<dc:creator>Mike</dc:creator>
				<category><![CDATA[Child Safety / Protection]]></category>
		<category><![CDATA[Forensic]]></category>
		<category><![CDATA[Identity Theft]]></category>
		<category><![CDATA[Information]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[Twitter]]></category>
		<category><![CDATA[Attack]]></category>
		<category><![CDATA[fake]]></category>
		<category><![CDATA[protection]]></category>
		<category><![CDATA[provention]]></category>
		<category><![CDATA[stalkers]]></category>
		<category><![CDATA[Trojans]]></category>
		<category><![CDATA[Viruses]]></category>

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We all know how fun Twitter can be. Many people have fallen in love with this micro blogging site, and don’t really see anything that could go wrong. After all, who needs Twitter safety tips against a cute, bird logo? Well, don’t be too caught up in your Twitter postings that you forget your safety. [...]]]></description>
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<p>We all know how fun<a title="Twitter" href="http://twitter.com" target="_blank"> Twitter</a> can be. Many people have fallen in love with this micro blogging site, and don’t really see anything that could go wrong. After all, who needs Twitter safety tips against a cute, bird logo?</p>
<p>Well, don’t be too caught up in your Twitter postings that you forget your safety. Remember that the Internet is still a prime target market for sexual predators, <a title="Article on Stalkers" href="http://www.michaelmknight.co.uk/?p=140" target="_blank">stalkers</a>, fraudsters, scammers, hackers and people who want to do others harm. You might need these Twitter safety tips more than you realise, especially if you have just started to use twitter.</p>
<p>Just the other day, I chanced upon this TV interview of a young, popular actress who pointed out that someone has set up an account on Twitter, pretending to be her which leads me to…</p>
<p><strong>Twitter Safety Tip # 1:  Don’t believe everything you read</strong></p>
<p>Have we not learned from the past? The Internet, while not harmful by itself, is still a haven for individuals and groups that are up to no good.</p>
<p>After all, who can say that a 50-year-old pervert isn’t a cute, 15-year-old student from London when he sounds just like a 15-year old student from London? And that picture of him in that blue shirt just backs it up, right?</p>
<p>If you are inclined to believe this, then you need this Twitter safety tip more than anyone else. People who want to befriend you can easily make up lies on Twitter. Don’t think for a second that they wouldn’t take the time and effort to prattle away about their non-existent boring Algebra classes and upcoming winter dance if it meant making themselves more convincing.</p>
<p>Be aware that there are many fake profiles on twitter. Learn how to spot them. Firstly, you&#8217;ll notice that they have not posted much, and with links being shortened, its hard to see if your being sent to a real site or a dodgy site where you will be prone to a <a title="More info about Clickjacking" href="http://en.wikipedia.org/wiki/Clickjacking" target="_blank">clickjacking</a> attack/scam. Other things too look out for are the following and followers. Usually you can tell by looking if this is a real person or a fake. Also keep away from people sending tweets from API. Scammers/Spammers also follow each other, and may converse between themselves to make it look like they have actual friends. Be wary. A quick example of clickjacking. <a title="Rickrolled" href="http://www.michaelmknight.co.uk?wp_ct=13" target="_blank">Click this link</a> (its safe), but its shows you how an easy link can be spoofed.</p>
<div id="attachment_230" class="wp-caption aligncenter" style="width: 515px"><img class="size-full wp-image-230" title="fake1" src="http://www.michaelmknight.co.uk/wp-content/uploads/2009/08/fale1.jpg" alt="The most common looking fake profile" width="505" height="411" /><p class="meta wp-caption-text">The most common looking fake profile with low followers</p></div>
<div id="attachment_228" class="wp-caption aligncenter" style="width: 510px"><img class="size-full wp-image-228" title="api1" src="http://www.michaelmknight.co.uk/wp-content/uploads/2009/08/api1.jpg" alt="Automated tweets from the Twitter API - Block these people" width="500" height="45" /><p class="meta wp-caption-text">Automated tweets from the Twitter API - Block these people</p></div>
<p>If you want to follow a celebrity, I suggest you look for the new Twitter <strong>Verified Account</strong> tag that&#8217;s added at the top right of a profile, and check out <a title="Valebrity - Famous people to follow" href="http://valebrity.com" target="_blank">Valebrity</a> for a huge list of validated celebs.</p>
<div id="attachment_232" class="wp-caption aligncenter" style="width: 515px"><img class="size-full wp-image-232" title="var" src="http://www.michaelmknight.co.uk/wp-content/uploads/2009/08/var.PNG" alt="An official Varified Account" width="505" height="159" /><p class="meta wp-caption-text">An official Verified Account</p></div>
<p>Last bits on this subject, there are lots of automated scripts out there that create fake profiles, bots that create fake posts and user accounts. So if you are unsure that this is a real person, do some investigating and look at their followers and see if any of them has ever had a proper conversation with this possible &#8216;fake&#8217;. If in doubt, don&#8217;t follow them back and block them.</p>
<div id="attachment_229" class="wp-caption aligncenter" style="width: 515px"><img class="size-full wp-image-229" title="fake2" src="http://www.michaelmknight.co.uk/wp-content/uploads/2009/08/fake2.jpg" alt="A typical Fake Profile. Notice theres no conversation" width="505" height="454" /><p class="meta wp-caption-text">A typical fake Profile. Notice there&#39;s no conversation, and low followers</p></div>
<p>Also beware of tweets and websites that claim <strong>Get 160,000 followers</strong> in a month, or words like that. Firstly, they don&#8217;t work, and secondly they are probably a scam.</p>
<p>Why? Well, once you click a link, you are directed to a website where you enter your Twitter login details. Now the scammers/spamers can send tweets from your account. Also, they may flood Twitter with thousands of messages. Twitter hates this and it will get your account locked and possibly deleted. If this happens and you still have access to your account, change your password immediately.</p>
<p>When visiting any website that is not directly affiliated or endorsed by twitter, be very careful when submitting your account details. You never know who owns the website or what they are using it for, so do some research first. Check the  <a title="Whois Information" href="http://www.whois.net/" target="_blank">whois</a> information for the site (this can also be faked), search twitter to see if other people are using the site (or even an app) and see if they seem to be sending spam tweets. If all is clear, then they are probably OK.</p>
<p>Never pay for a service that links to Twitter.</p>
<p><strong>Twitter Safety Tip # 2: Don’t give out your location</strong></p>
<p>I know that micro <strong>blogging</strong> is fun. There’s just something addicting about being able to post what you’re doing or what you’re feeling at this exact moment… and having hundreds, possibly thousands of followers seeing it.</p>
<p>If you have added people in Twitter who are not really your friends, then all the more reason to be careful. If you, for example, tweets that you’re stuck in the Starbucks near your home late at night, anyone could just take advantage of that information. Its only a matter of time until you turn on the TV and hear that someone is being stalked or has been attacked or murdered because they twitted their exact location, so be warned.</p>
<p>Lastly on this location tip. Be careful if you are using an<strong> iPhone </strong>and turn on the Location Option. It looks like this in a persons profile: <strong>37.739705,-122.430799</strong> and gives you the longitude and latitude of a persons iPhone. This can be used to track you. So turn this feature off.  In a test, I activated this feature on an iPhone with Twitterrific. With a laptop and mobile phone enabled with GPS Software I travelled miles away from home, where I left the iPhone switched on. I activated the Laptop and GPS, loaded my Twitter page and got the coordinates. I entered them into the GPS system and navigated the route to 20 meters from my doorstep. Anyone could do this with just a laptop and GPS Enabled phone. You can also go to <a title="Google Maps" href="http://maps.google.com">Google Maps</a> and copy and paste the longitude and latitude, this will also give the location. And with Street View, you can probably see where that person lives.</p>
<p><strong>Twitter Safety Tip # 3: Don’t attract too much attention to yourself</strong></p>
<p>Twittering that you have just received a gold bracelet from your boyfriend can also attract the wrong sort of followers to your account. Trust should not be so freely given on the Internet.</p>
<p>You might want to show it off on Twitter via <a title="TwitPic - Image hosting " href="http://www.twitpic.com/" target="_blank">TwitPic</a> or some other image provider or host, but think about the possible risks. It might tempt others into doing something both you, and they, will regret.</p>
<p>As much fun as Twitter is, set a limit on how much private information you’re really broadcasting to the world. Many of you may be thinking, &#8216;yeah, whateverrrr&#8217;, or &#8216;yeah OK, this will never happen to me&#8217;. But <em><strong>never</strong></em> forego you&#8217;re safety,  and <em><strong>never</strong></em> let your guard down on the Internet. If you do, you&#8217;re a fool!</p>
<p><strong>More protection&#8230;</strong></p>
<p>When using twitter, I&#8217;d suggest using a 3rd party application like <a title="TweetDeck" href="http://tweetdeck.com" target="_blank">TweetDeck</a> (which is my favorite twitter app) or <a title="CoTweet" href="http://cotweet.com/" target="_blank">CoTweet</a> (which is my second fave). The reason for using a 3rd party application is that it uses Twitters <a title="API" href="http://en.wikipedia.org/wiki/Application_programming_interface" target="_blank">API </a>(Application programming interface) and you are less likely to get a trojan or virus from clicking on a users infected profile. Yes! You can also get a Trojan or Virus from using Twitter. A while back, Twitter was plagued by the &#8216;<strong>Mikeyy Worm</strong>&#8216; that infected you if you clicked on a profile that had been compromised by the Mikeyy worm. Incidentaly, the Mikeyy worm was actually written by Michael Mooney, a 17 year old kid and it crippled millions of Twitter accounts.</p>
<p>You can keep track of attacks on twitter<a title="Twitter Hit by News" href="http://search.twitter.com/search?q=%22Twitter+Hit+By%22" target="_blank"> here</a>. And if you would like to report suspicious activity, a spammer or something that doesn&#8217;t look right, follow twitters <strong>Spam Team</strong> and then send them a tweet with your problem: <a title="Twitters Spam Busters" href="http://twitter.com/spam" target="_blank">http://twitter.com/spam</a> and they should help. Also, if you have any real issues and you need support from Twitter, visit their <a title="Twitter Help And Support" href="http://twitter.zendesk.com/requests/new" target="_blank">ticketing system</a>.</p>
<p>Twitter is not perfect and is riddled with <strong>security holes</strong>, and more are being discovered or exploited daily. For a platform that&#8217;s almost over 3 years old, the boffins at Twitter really should plug these holes, tighten up security and keep people safer. Don&#8217;t let this spoil your twitting experience though. As long as you keep safe whilst on twitter, and learn how to spot the fake profiles, you&#8217;ll have a great time.</p>
<p>If you have any <strong>Twitter tips</strong> you would like to share with us, please comment below and at some point I will include these in a list, and credit you.</p>
<p>Lastly, check out <a title="Sharon Hays" href="http://sharontucci.blogspot.com/" target="_blank">Sharon Hays&#8217;</a> Blog for tons of Twitter information. She&#8217;s a pure Twitter professional, lovely person and her blog will help you get used to Twitter if you are new. Also, checkout <a title="Twitter 101" href="http://business.twitter.com/twitter101/" target="_blank">Twitter 101</a> for some excellent information.</p>
<p><strong>Recent Twitter Bots/Scammers</strong></p>
<p><span style="color: #993300;">I will update this section of this post as new scams, bots and strategies change, so keep popping back for updats&#8230;</span></p>
<p>You will notice that they are now having conversations. But with other bots and they use rubbish English like &#8216;<strong>Howz U doin</strong>&#8216;,  &#8216;<strong>I did dat last wk</strong>&#8216; and so on. If you click on the people they are following, you will notice the same bad grammar and spellings. Some of these new spammers are also now mimicking or pretending to be up and coming actors/actresses and celebs.</p>
<p><strong>3rd Party Application Spam</strong></p>
<p>I&#8217;ve noticed that spammers are now creating profiles and posting tweets via <strong>TweetDeck</strong> and <strong>CoTweet</strong> as well as <strong>TwitterFeed</strong>. Again, there is no real conversation and the posts are riddled with useless links and random tweets. You may also notice that the spammers and bots are now using lists to make them look like normal people. Be wary.</p>
<div id="attachment_293" class="wp-caption aligncenter" style="width: 516px"><img class="size-full wp-image-293" title="fake3" src="http://www.michaelmknight.co.uk/wp-content/uploads/2009/11/fake3.png" alt="fake3" width="506" height="449" /><p class="meta wp-caption-text">New fake profile using TweetDeck and using Lists</p></div>
<p><strong><br />
True Twit</strong></p>
<p>This is not a danger, but I wanted to update you with this cool utility. If you are plagued by <strong>Twitter spam </strong>(or Twam) and you have had enough, you can try True Twit. <a title="True Twit" href="http://www.michaelmknight.co.uk?wp_ct=12" target="_blank"><strong>True Twit</strong></a> has been around a while now and what it does is to <strong>verify </strong>anyone following you. So, if for example, I follow you, I&#8217;m sent a DM to click a link to verify that I am in fact a cool human being and wants to follow you because I think your cool. I don&#8217;t have to enter any of my Twitter details either.</p>
<div id="attachment_309" class="wp-caption aligncenter" style="width: 520px"><img class="size-full wp-image-309" title="tt" src="http://www.michaelmknight.co.uk/wp-content/uploads/2009/11/tt.png" alt="True Twit - Helping stop Twitter Spam" width="510" height="349" /><p class="meta wp-caption-text">True Twit - Helping stop Twitter Spam</p></div>
<p>True Twit also has a few neat options behind the scenes, where you can send a verification note to anyone on your list to whom you think may is a spammer or may have a fake profile, they are then sent a DM to verify themselves. The message that is sent is customisable, or you can use the default message. You can also unfollow people too. Signup today and help stop the spam.</p>
<p><a title="True Twit" href="http://www.michaelmknight.co.uk?wp_ct=12" target="_blank">http://www.truetwit.com</a>.</p>
<p>Stay tuned for more info&#8230;</p>
<div id="tweetbutton160" class="tw_button" style="float:right;margin-left:10px;"><a href="http://twitter.com/share?url=http%3A%2F%2Fbit.ly%2F1tlCk4&amp;via=michaelmknight&amp;text=Twitter%20Dangers&amp;related=&amp;lang=en&amp;count=none&amp;counturl=http%3A%2F%2Fwww.michaelmknight.co.uk%2F2009%2F07%2Ftwitter-dangers%2F" class="twitter-share-button"  style="width:55px;height:22px;background:transparent url('http://www.michaelmknight.co.uk/wp-content/plugins/wp-tweet-button/tweetn.png') no-repeat  0 0;text-align:left;text-indent:-9999px;display:block;">Tweet</a></div>]]></content:encoded>
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		<item>
		<title>What is Malware</title>
		<link>http://www.michaelmknight.co.uk/2009/03/what-is-malware/</link>
		<comments>http://www.michaelmknight.co.uk/2009/03/what-is-malware/#comments</comments>
		<pubDate>Sun, 15 Mar 2009 18:46:00 +0000</pubDate>
		<dc:creator>Mike</dc:creator>
				<category><![CDATA[Forensic]]></category>
		<category><![CDATA[Malware]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[Trojan]]></category>
		<category><![CDATA[Virus]]></category>
		<category><![CDATA[Windows]]></category>
		<category><![CDATA[Nasties]]></category>
		<category><![CDATA[Protecrion]]></category>
		<category><![CDATA[Trojans]]></category>
		<category><![CDATA[Viruses]]></category>

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What is Malware? Malware, is short for MALicious softWARE and is a term used to broadly classify a form of software which is installed in a computer system mostly without the owners permission with malicious intentions. It includes Trojans, viruses, key loggers, malicious active content, rogue programs and diallers among others. There is another form [...]]]></description>
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<p>What is Malware? Malware, is short for <strong>MALicious softWARE</strong> and is a term used to broadly classify a form of software which is installed in a computer system mostly without the owners permission with malicious intentions. It includes Trojans, viruses, key loggers, malicious active content, rogue programs and diallers among others.</p>
<p>There is another form of software which may be termed as &#8220;Trackware&#8221;, -because they track, store and analyse your browsing patterns thereby compromising your privacy on the World Wide Web. They are probably less malicious, but unwanted at the same time. It includes Spyware, Web bugs, tracking cookies, and &#8220;forced&#8221; adware.</p>
<p><strong>Quick Definitions</strong></p>
<p>Following is some basic information about some of the main Malware types:</p>
<p><strong>Spyware</strong></p>
<p>Spyware is defined loosely as any program that secretly gathers information about you and or your computer use through your Internet connection. Typically, a Spyware program gathers information about you by monitoring your computing activities and then transmits it across the Internet to a central server for onward distribution to interested parties for advertising purposes. These programs can also download files, run other programs in the background, and change your system settings.</p>
<p>In addition to violating your privacy and potentially damaging your system, Spyware can slow your computer down by stealing processing time from the CPU. Even though the name may indicate so, Spyware is not an illegal type of software in any way as yet. However there are certain issues that a privacy oriented user may object to and therefore prefer not to use the product.</p>
<p>Another potential problem is that many are poorly written, may contain programming bugs and errors and can cause problems with the normal operation of your computer. One of the causes of your web browser hanging and crashing frequently with those &#8220;General Protection Faults&#8221; may be due to one of those badly written Spyware programs interfering with its normal operation.</p>
<p><strong>What is spyware?</strong></p>
<p>Spyware is ANY SOFTWARE which employs a user&#8217;s Internet connection in the background (the so-called &#8220;Backchannel&#8221;) without their knowledge or explicit permission.</p>
<p>Silent background use of an Internet &#8220;backchannel&#8221; connection MUST BE PRECEDED by a complete and truthful disclosure of proposed backchannel usage, followed by the receipt of explicit, informed, consent for such use.</p>
<p>ANY SOFTWARE communicating across the Internet absent these elements is guilty of information theft and is properly and rightfully termed: Spyware.</p>
<p><a href="http://grc.com/optout.htm" target="_blank">http://grc.com/optout.htm</a></p>
<p>There are also PC surveillance utilities like key loggers, email and chat loggers, which monitor all activity on a computer. Though designed for businesses, parents and similar environments they can be easily abused if they are installed on your computer without your knowledge.</p>
<p><strong>Adware</strong></p>
<p>Adware is usually a freeware displaying advertising banners within the program interface. The developer creates revenue by selling advertising space in the software product, instead of you having to pay for it. Occasionally, some Adware will also act as spyware which includes information gathering code to send non-sensitive information back to third parties. Some people think that Adware are same as spyware, but Adware isn&#8217;t necessarily spyware. While legitimate adware companies will disclose the nature of data that is collected and transmitted in their privacy statement, there is almost no way for the user to actually control what data is being sent. In addition to privacy concerns, frequent downloading of advertisement banners and other ads while the user is browsing can slow down the system immensely and for users paying for dial up services by time used, ad-loading and hidden communications with servers can be very costly.</p>
<p>Most of the time, if you prefer a &#8220;non advertised&#8221; product, you have the option to purchase a version that does not display any banners.</p>
<p><strong>Trojans</strong></p>
<p>A program that comes in secretly and quietly, but it carries a destructive payload. Once you become infected by the worm or virus that that Trojan carries into your computer, it can be very difficult to repair the damage. Trojans often carry programs that allow someone else to have total and complete access to your computer. Trojans usually come attached to another file, such as an .avi, or .exe, or even a .jpg. Many people do not see full file extensions, so what may appear as games.zip in reality could be games.zip.exe. Once the person opens up this file, the Trojan goes to work, many times destroying the computer&#8217;s functionability. Scary, eh? You can read more about this here, on our Trojans, Viruses, and Worms reference page. Your best line of defence is to NEVER accept files from someone you don&#8217;t know, and if you have any doubts, then do NOT open the file. Get and use a virus detection program, such as Inoculate and keep it updated regularly.</p>
<p><a href="www.ircbeginner.com/ircinfo/ircglossary.html" target="_blank">www.ircbeginner.com/ircinfo/ircglossary.html</a></p>
<p><strong>Viruses</strong></p>
<p>A piece of programming code usually disguised as something else that causes some unexpected and, for the victim, usually undesirable event and which is often designed so that it is automatically spread to other computer users. Viruses can be transmitted by sending them as attachments to an e-mail note, by downloading infected programming from other sites, or be present on a diskette or CD. The best protection against a virus is to know the origin of each program or file you load into your computer or open from your e-mail program.</p>
<p><a href="www.gslis.utexas.edu/~vlibrary/glossary/" target="_blank">www.gslis.utexas.edu/~vlibrary/glossary/</a></p>
<p><strong>Browser Hijackers</strong></p>
<p>Browser Hijacking is caused by malicious code which can alter your browser settings without your knowledge. Browser Hijackers are extremely common.</p>
<p>Here&#8217;s a list of the typical effects a Browser Hijacker can have on your system:</p>
<ul>
<li>Altering the Homepage, Search Page of your browser</li>
<li>Changing various options in your Internet settings</li>
<li>Blocking access to certain functions (parts or all of the internet options screen, registry editor etc)</li>
<li>Changing to reset (iereset.inf) file to prevent user being able to reset web settings within the internet explorer options screen</li>
<li>Automatically add sites to your trusted zone</li>
<li>Hijack of URL prefixes, therefore if you enter a site in your browser without a prefix (ie google.com), internet explorer automatically appends http:// to the address</li>
<li>This function can be abused to redirect you to any site if you omit the prefix</li>
<li>Altering your winsock list of providers used to resolve domain names</li>
<li>Adding a proxy server so all your traffic could be intercepted</li>
<li>Altering your user stylesheet (normally used for visually impaired users), thereby changing the way websites appear</li>
</ul>
<p><a href="http://www.adoko.com/hijackers.html" target="_blank">http://www.adoko.com/hijackers.html</a></p>
<p><strong>Rootkit</strong></p>
<p>A root kit is a set of tools used by an intruder after cracking a computer system. These tools can help the attacker maintain his or her access to the system and use it for malicious purposes. An attacker enters the victims computer through a security loop hole, like a weak password or a missing patch and then installs his favorite collection of tools which will provide him backdoor(s) to remotely access the cracked system and also mask the fact that the system is compromised.</p>
<p>Though not very prevalent currently other than an open source NT rootkit called Hacker Defender, some malware programs are reportedly using rootkit like mechanisms to hide in the bowels of Windows to evade detection and removal.</p>
<p>The name of the malware category rootkits comes from the Unix-based operating systems&#8217; most powerful account &#8212; the &#8220;root&#8221; &#8212; which has capabilities similar to the built-in Administrator account in Windows.</p>
<p>Years ago, an attacker who compromised a computer would gain root privileges and install his collection of applications and utilities, known as a &#8220;kit,&#8221; on the compromised system. The rootkit provided the attacker with capabilities like ongoing remote access to the compromised system, an FTP daemon for hosting pirated software or an IRC daemon for hosting illicit chat channels shared by the attacker with his cohorts.</p>
<p>Typically, rootkits do not exploit operating system flaws, but rather their extensibility. Windows, for example, is modular, flexible and designed as an easy platform upon which to build powerful applications. Rootkits created for Windows take advantage of these same features by extending and altering the operating system with their own suite of useful behaviors &#8212; useful, that is, to the attacker. What is a rootkit?</p>
<p>Article: Rootkits &#8211; Invisible Assault on Windows: <a href="http://www.pcworld.com/news/article/0,aid,120658,00.asp" target="_blank">http://www.pcworld.com/news/article/0,aid,120658,00.asp</a></p>
<p><strong>Web bug or Web beacons</strong></p>
<p>Also called a Web bug or a pixel tag or a clear GIF. Used in combination with cookies, a Web beacon is an often-transparent graphic image, usually no larger than 1 pixel x 1 pixel, that is placed on a Web site or in an e-mail that is used to monitor the behavior of the user visiting the Web site or sending the e-mail. When the HTML code for the Web beacon points to a site to retrieve the image, at the same time it can pass along information such as the IP address of the computer that retrieved the image, the time the Web beacon was viewed and for how long, the type of browser that retrieved the image and previously set cookie values.</p>
<p>Web beacons are typically used by a third-party to monitor the activity of a site. A Web beacon can be detected by viewing the source code of a Web page and looking for any IMG tags that load from a different server than the rest of the site. Turning off the browser&#8217;s cookies will prevent Web beacons from tracking the user&#8217;s activity. The Web beacon will still account for an anonymous visit, but the user&#8217;s unique information will not be recorded.</p>
<p><a href="http://www.webopedia.com/TERM/W/Web_beacon.html" target="_blank">http://www.webopedia.com/TERM/W/Web_beacon.html</a></p>
<p><strong>Keyloggers</strong></p>
<p>A Keylogger (KeyLogger, Key Logger, or Keystroke Logger) is a program that runs in the background, recording all the keystrokes. Once keystrokes are logged, they are hidden in the machine for later retrieval, or shipped raw to the attacker. The attacker then peruses them carefully in the hopes of either finding passwords, or possibly other useful information that could be used to compromise the system or be used in a social engineering attack. For example, a key logger will reveal the contents of all e-mail composed by the user.</p>
<p>A freeware program to detect Keyloggers running in your system is KL-Detector: detect keylogging activity on your computer!. It can detect keyloggers, but you should remove them by yourself.</p>
<p><strong>Malicious Dialers</strong></p>
<p>Once installed, they can be extremely difficult to remove. The dialler will configure your settings to route you from your chosen ISP to a network specified by the dialler&#8217;s programming. The alarming part of this is that you could be charged any amount per minute that the dialler&#8217;s distributor has selected, from pennies to hundreds of dollars. Most often the only indication that you might have a dialler on your system is when you receive your phone bill.</p>
<p>What is frightening here is that you do not need to download these programs yourself. A site might attempt to hide the installation by swamping your connection with popup ads so you do not notice the program attempting to install. If you do not have the appropriate security settings for your browser, these programs can and do install without any notice and do not require that you click to agree. A common method is to force a silent install and have wording in the application&#8217;s EULA (End User License Agreement) that states that you agree to the charges if the software is installed. The dialer is installed, you connect to the net, and you are billed, regardless of whether or not you agreed to, or even knew that it was being installed.</p>
<p>When the charges on your phone bill finally arrive and you protest them, the dialer companies might make it extremely difficult for you to obtain credit for the charges. You might even be asked to send them a copy of your birth certificate or other personal information. Do not send any personal information!</p>
<p><strong>Tracking cookies</strong></p>
<p>Any cookie that is shared among two or more unrelated sites for the purpose of tracking a user&#8217;s browsing and/or gathering and/or sharing information which many users regard as &#8220;private&#8221;. Definitions of &#8220;private&#8221; may differ. Some consider any code &#8220;private&#8221; if it uniquely identifies a user, even if it is not their name or email address. A typical tracking cookie might look like this: &#8220;1www.somedomainname.com/ 0 2719785088 29508922 2980377808 29496852 * &#8221; The encoded info in this cookie includes a unique UserID assigned by a web server; the cookie can be used to track a user as they visit other sites that accept this cookie.</p>
<p>These are the more common varieties of malware prevalent in the web at present today.</p>
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