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Transcript of spam attacks
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SPAM ATTACKS
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CONTENTSOF
PRESENTATION
INTRODUCTION TO SPAM ATTACKS EFFECTS OF SPAM ATTACKS HOW CAN WE PREVENT Q & A SESSION
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What is a spam attack
Spam is the electronic version of junk mail. Spam can be used to deliver :-
Trojan horses, viruses, worms, spyware,and targeted phishing attacks.
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Origin of word “SPAM”It was invented by George Hormel & Co.in 1937. To name a food product named SPiced hAM.
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How Do You Identify SPAMYou do not know the sender.Asked to send money to obtain a large cash sum.Asked for a password or banking account information.The sender repeatedly asks for personal or secret information.
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How spammer launch a spam attack
Spammers regularly scan UseNet for email addresses.
Design the email. Broadcast it using fake accounts, BotNet and proxy servers.
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How spammers use BotNets for spamming
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Interesting facts about spamming
The first person arrested for spamming was Anthony Greco ,aged 18 on 2005 . He was accused of sending 1.5 million of unsolicited ads. 86% of email addresses post on internet are used by spammers Bulgaria is the first country to legalized spam.
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Effects Fills your inbox with number of unwanted emails. Degrades your internet speed to a great extent. Steals your useful information. Alter your search results on any search engines. Spam can crash mail servers and fill-up hard drives.
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How to preventAlways use an updated trustworthy spam filtering program.Never share your e-mail address with untrusted websites.Avoid responding to suspected e-mails.
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Special trick for prevent spam
Append a plus ("+") sign and any combination of words or numbers after your
email address.
After [email protected]
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How it works
You could use [email protected] when you sign up for online banking and then set up a filter to automatically star, archive or label emails addressed to universityfan+bank.
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Fact & statistics More than 97% of emails sent over the internet are spam emails 349.6 billion in 2008 192% increase in spam over the past year
Source:- Microsoft security intelligence report volume 6
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Top spam sending countries in 2010
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Source of spams by regions
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Attachments come with spams
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The CNN news alert spam attack
One of the largest spam attacks over the last few months.
Attackers sent millions of fake emails all over the world (E-mails look like sent by CNN).
Latest incidents related to spamming
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ConclusionSpamming is an illegal action to perform in cyber space
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Thank you for co-oparation
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Q&A session