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. 2014 - 2015
2 . .
:o , .o ( Internet ).o Internet.o vs .o
.o .
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1934: , , , , , . .
1940: . 1957: 1. ARPA ( )
, .
1968: RPANET .
. 2014 - 2015
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1971: . @, , 1 e-mail.
1983: ARPANET 2 : MILNET ARPANET .
1990: ARPANET 200.000.
1991: (www: World Wide Web) Internet (Tim Berners-Lee)
1995: 1 Yahoo.
http://en.wikipedia.org/wiki/Tim_Berners-LeeInternet
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, Internet , . . , , . ,
.
.
,
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(.. email, chat, skype, ). , . . , ,
. . . (.. Taxis, ermis
..) . .
.
Internet Internet
, ,
InternetInternet
, , ..
!!! !!! InternetInternet
. .
Vs
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, (, smartphones) (, , ).
, . (
) ( ) , .
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(spoofing).
(tampering), (backdoors).
. (data
leak). (denial of
services). (elevation
of privileges).
(spoofing)
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2 ..
spoofing, Man In The Middle() .
Internet router
Router
(spoofing)
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2 ..
router . arpspoof router .
, router - - router...
ro
uter
Router
- Router
(spoofing)
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2 ..
Router
, ,
...
(data leak)
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2 ..
(data leak)
o MITM, .
o .
()
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2 ..
o , , .. , (kleptographic) , , .
o (.. backorifice), .
o rootkit, () / , , . .
Denial of Services
Distributed Denial of Services
. 2014 - 2015
2 ..
o , - Denial-of-Service (DoS) - Distributed Denial of Services (DdoS) .
o , DoS , ' .
o , (DdoS) , bots, (DoS) . 2014, DDoS 28 !!!
o DoS ' . DoS: .
o : DoS .
DoS DDoS:
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2 ..
(US-CERT) - denial-of-service
:
1. ( web sites).
2. web site.3. .4. spam emails - ( DoS
e-mail).5. internet.6.
.
o , .
o , Carnivore NarusInsight FBI NSA .
o (, ) , TEMPEST.
o Man InThe Middle...
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(Eavesdropping)
o exploit ( , "") , "" "" , .
o .
o "exploit" , , , .
o exploits . , , , . .
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2 ..
Exploits
o .
o , .
o , Tor Onion Router.
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2 ..
http://en.wikipedia.org/wiki/Tor_(anonymity_network)http://en.wikipedia.org/wiki/Tor_(anonymity_network)http://en.wikipedia.org/wiki/Tor_(anonymity_network)http://en.wikipedia.org/wiki/Tor_(anonymity_network)http://en.wikipedia.org/wiki/Tor_(anonymity_network). 2014 - 2015
2 . .
( hackers ) ( ) (malware), :
(viruses). (worms). (trojan horses).
(Spyware, Adwares). (backdoor).
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2 . .
, . :
.
.
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(worm) .
, .
, .
, , , Mbps, , .
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2 . .
, . , .
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2 . .
Spyware ( ) ( ) , . . Spyware , ( , , ). . :
Spyware (adware): .
Spyware: .
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2 . .
Spyware :
(Add-ons): Add-ons browser. , , ..
. :
spyware.
http://el.wikipedia.org/wiki/Browser. 2014 - 2015
2 . .
(backdoors) , ().
, ,
. .
InternetInternet;;
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-
:
.
.
-
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o Internet.
o Internet.
o .
o Internet (.. facebook;).
o .
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o e-mail ( , tablet ).
o , , , Google, o, . , .
; :
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o e-mail , , .
o e-mail .
o browser . (cookies) .
o .
; :
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2 . .
o email .
o , .
o Facebook. friend requests , .
,
:
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o o o o o PIN (
)o
o o
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o , , , .
o .
o .
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o .
o .
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o .
o URL .
o https:// https:// .
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o ' , ;
o ;
o ;
;
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o .
o , , , , .
o , .
, ,
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o . o
, .
o avast!, AVG, AVIRA, BitDefender, ESET Smart, Security, F-Secure, G DATA, Kaspersky Lab Internet Security, McAfee, MacScan ( Mac), Microsoft Security Essentials, Norton Internet Security,TrendMicro, Malwarebytes.
, . GooGle
.
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o , , .
o ( ).
GooGle
GooGle
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oo
o
o
(1)
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o , , , .
o .
o .
(2)
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o . .
o .
o , .
;
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o o http://www.saferinternet.gr/o : .8001180015()o : .116111 ()o : .11012 o e-mail: 11012@hellenicpolice.gro http://www.cyberkid.gov.gr/
http://www.saferinternet.gr/http://www.saferinternet.gr/http://www.saferinternet.gr/http://www.saferinternet.gr/http://www.saferinternet.gr/helplinehttp://www.tilefonikigrammi.gr/default.asphttp://www.astynomia.gr/index.php?option=ozo_content&perform=view&
