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Issue ProjectIssue Project- SPAM -- SPAM -
EDCI 564EDCI 564
Vaithinathan Vanitha Vaithinathan Vanitha & Sookeun Byun& Sookeun Byun
ContentsContents
DefinitonDefiniton
The origin of spamThe origin of spam
Medium for spammingMedium for spamming
StatisticsStatistics
How to block spamHow to block spam
DiscussionDiscussion
What is “SPAM”?What is “SPAM”?
TThe use of he use of anyany electronicelectronic
communications mediumcommunications medium
to send to send unsolicited unsolicited messages messages
in in bulkbulk, , indiscriminately indiscriminately
TThe use of he use of anyany electronicelectronic
communications mediumcommunications medium
to send to send unsolicited unsolicited messages messages
in in bulkbulk, , indiscriminately indiscriminately
The origin of SpamThe origin of Spam
Door-to-door salespeopleDoor-to-door salespeople
- used the direct approach to solicit response to - used the direct approach to solicit response to
reach every person in a given geo area reach every person in a given geo area
Junk mail (20Junk mail (20thth Century) Century)
- with the development of the General Post Office, - with the development of the General Post Office,
this has become especially true of all mass postings this has become especially true of all mass postings
TelemarketingTelemarketing
- used for mass advertising- used for mass advertising
Spamming in different medium Spamming in different medium
E-mailE-mail
Instant messengerInstant messenger
News groupNews group
Mobile phoneMobile phone
Search engine websiteSearch engine website
Other new forms..Other new forms..
E-mail Spam E-mail Spam
Sending identical or nearly identical messages Sending identical or nearly identical messages
to a large number of e-mail recipients. to a large number of e-mail recipients.
Frequently contains various tricks Frequently contains various tricks
to bypass e-mail filters. to bypass e-mail filters.
Many spammers utilize programs called Many spammers utilize programs called
“web spiders” to find email addresses on web “web spiders” to find email addresses on web
pages. pages.
E-mail Spam E-mail Spam
Messaging Spam Messaging Spam
A type of spam where the target is A type of spam where the target is
instant messaging services instant messaging services
such as AOL Instant Messenger or ICQ. such as AOL Instant Messenger or ICQ.
Take advantage of directory service of users, Take advantage of directory service of users,
including demographic including demographic
information such as information such as
age and sex. age and sex.
Newsgroup Spam Newsgroup Spam
A type of spam where the targets are A type of spam where the targets are
Usenet newsgroups Usenet newsgroups
Usenet convention defines spamming as Usenet convention defines spamming as
“excessive multiple posting”, that is, “excessive multiple posting”, that is,
the repeated posting of a message the repeated posting of a message
Mobile Phone Spam Mobile Phone Spam
Mobile phone spam is directed at the text Mobile phone spam is directed at the text
messaging service of a mobile phone messaging service of a mobile phone
This can be especially irritating to consumers This can be especially irritating to consumers
not only for the inconvenience but also because not only for the inconvenience but also because
they sometimes have to they sometimes have to
“pay” to receive the text “pay” to receive the text
message message
Mobile Phone Spam Mobile Phone Spam
I get this weird SMS sent to me on 10th July 03...U have WON
GUARANTEED free holiday inc flight & Accom OR £600 in CASH Call
NOW 09061701739..Genuine gift TCs visitww. redm. tv1st...£1.50pm
mobvary Valid 12mth.....I mean as if i would even bother wasting my
money on phonecalls like this. This is such BOGUS.... if only life was
that generous! However that web address lead me to THIS site....
mmmmmmmmm.... and here you are going on about spam text
messages.... so who's responsible
for my spam text message?!?!?!?!?!
I get this weird SMS sent to me on 10th July 03...U have WON
GUARANTEED free holiday inc flight & Accom OR £600 in CASH Call
NOW 09061701739..Genuine gift TCs visitww. redm. tv1st...£1.50pm
mobvary Valid 12mth.....I mean as if i would even bother wasting my
money on phonecalls like this. This is such BOGUS.... if only life was
that generous! However that web address lead me to THIS site....
mmmmmmmmm.... and here you are going on about spam text
messages.... so who's responsible
for my spam text message?!?!?!?!?!
Search Engine SpamSearch Engine Spam
““Spamdexing“- spam targeting search engines Spamdexing“- spam targeting search engines
The practice of deliberately and dishonestly The practice of deliberately and dishonestly
modifying HTML pages to increase the chance modifying HTML pages to increase the chance
of them being placed close to the beginning of of them being placed close to the beginning of
search engine results, or to influence the search engine results, or to influence the
category to which the page is assigned in a category to which the page is assigned in a
dishonest mannerdishonest manner
Personal Spam Statistics Personal Spam Statistics 1997-20041997-2004
Blocking e-mail spam Blocking e-mail spam
Blocking e-mail spam Blocking e-mail spam
Anti-spam MethodsAnti-spam Methods
DNSBLs (DNS-based Blackhole Lists)
- a site publishes lists of IP addresses via the
DNS, in such a way that mail servers can
easily be set to reject mail from those addresses
Content-based filtering
- an administrator can place some words in the
filter configuration. The mail server would thence
reject any message containing the phrase.
Anti-spam MethodsAnti-spam Methods
Statistical filtering- users mark messages as spam or nonspam and the filtering software learns from these judgements. But it does reflect the user's biases as to content
Checksum-based filtering- it lets ordinary users help identify spam, and not just administrators, thus vastly increasing the pool of spam fighters.
Blocking messaging spamBlocking messaging spam
Using privacy options to guard against messaging spam - To combat messaging spam, many users choose to receive instant messengers only from people already on their contact list.
Ex) With Yahoo Messenger, users can click Messenger -> Preferences -> Ignore List and check the box "Ignore anyone who is not on my Messenger List."
What do you do to Block Spam?What do you do to Block Spam?
Delete the messages before opening.Delete the messages before opening. Install a filtering Program.Install a filtering Program. Be careful in giving your personal Be careful in giving your personal
information.information. Read the private policy of the Read the private policy of the
websites before submitting websites before submitting information.information.
Set preferences in Messenger spam.Set preferences in Messenger spam.
What not to do?What not to do?
Do not click the Remove Me Link.Do not click the Remove Me Link. Do not attack the Spammer.Do not attack the Spammer. Hack in to the site.Hack in to the site. Threaten violence.Threaten violence. Don’t use spam to fight spam.Don’t use spam to fight spam.
Why is Spam bad?Why is Spam bad?
Cost.Cost. Fraud.Fraud. Waste of other’s resources.Waste of other’s resources. Annoyance Factor.Annoyance Factor.
DiscussionDiscussion
Why do they send spam? Why do they send spam?
Is the spam effective as an advertisement?Is the spam effective as an advertisement?
Is the broadcasting also spam?Is the broadcasting also spam?
DiscussionDiscussion
Why spam is bad?Why spam is bad?
Which technology is more advanced?Which technology is more advanced? Technology for spamming or Technology for spamming or technology for anti-spamming? technology for anti-spamming?
DiscussionDiscussion
Personal experiences..Personal experiences..How often? How many? What contents?How often? How many? What contents?
What do you do to block spam?What do you do to block spam?
ReferencesReferences
www.wikipedia.org
www.qurb.com/products/antispam.php
www.xtdnet.nl/paul/spam/
www.grumbletext.co.uk/vt.php?
t=350&subj=complaints+SMS+Spam+-
+www.redm.tv+complaint
www.bloodgate.com
