sfea st t teet

1
?sf??e?a st? ????t? ??te??et

• ??s?? ?a????d?a?
• ?p. ?sf??e?a? ?????f?????
• ?????? ?.?.
• e-mail Tassos.Mavroudeas_at_hq.otenet.gr
• www.otenet.gr

2
?e??e??µe?a

• ??apt?ss?µe?? pe??ß????? ep??????????
• ??e? µ??f?? ep????????a?
• ????µ? p??sßas? st? d?ad??t??
• ??a??a?t???? t??p?? p??sßas??
• S??e??? e?e??ss?µe?e? ape????
• SPAM, Phishing and more
• ???? ?a? ??ad??t??
• G??se??
• ??t?a p??stas?a? ap? t?? ??????
• Monitoring
• Abuse department
• OTENET SecurityKit
• ??d??e? ?e??t?????a? ?a? ??ad??t??
• S?µpe??sµata

3
??apt?ss?µe?? pe??ß????? ep????????????e? µ??f??
ep????????a?

• ???te? µ??f?? ep????????a?
• E-Mail
• Mailing Lists
• Forums
• Internet Relay Chat (IRC)
• Video Conference
• ?????a a?apt?ss?µe?e? µ??f??
• Instant Messengers
• Voice Video Capable
• Blogs
• Vlogs
• VoIP
• In-Game chat

4
??apt?ss?µe?? pe??ß????? ep??????????????µ?
p??sßas? st? d?ad??t??

• Broadband (eg. xDSL)
• WiFi Hotspots
• from airports to fast-food
• to metropolitan WiFi and WiMax
• GPRS, 3G mobile phones
• S???e?a, ß?ß??????e?, ?d??µata
• Internet Cafe

5
??apt?ss?µe?? pe??ß????? ep????????????a??a?t????
t??p?? p??sßas??

• ????µe s??d??se? t?? p??sßas? st? Internet µe
  t?? ?/?
• ?????! ???sßas? ap??t??µe µ?s?
• ????t?? t??ef????
• Web, forums, e-mail
• New and Emerging Instant Messaging, VoIP,
  Internet Video Conferencing
• ?a????d?µ??a???
• ???s??e? Xbox, PlayStation
• F???t?? PSP, Nintendo

6
S??e??? e?e??ss?µe?e? ape????SPAM, Phishing

• 80 of e-mail traffic is SPAM
• ???sfata Phishing Attacks
• ???pe?e? ???ep????????e?
• ???????af?a ???? t?? e?d??
• ?p?te? ???? t?? e?d??

7
S??e??? e?e??ss?µe?e? ape????

• ? ?deat?? ??sµ?? t?? d?ad??t??? ???
• d?af??e? ap? t?? p?a?µat???!
• ?????? p?ste???? ?t?
• asf??e?a st? d?ad??t?? antivirus firewall
• ?????!

8
???? ?a? ??ad??t??G??se??

• ?? ???? (pa?d?a ?f?ß??) e??a? ?? p?? d??aµ???
  ?µ?da st? d?ad??t??
• ?? ???se?? t??? ?at? ?a???a ?epe????? t?? ???se??
  t?? ?????? t???
• St?? ????da ?? ???? e??a? ?? p??ta???t?? st??
  ???s? d?ad??t???
• http//www.in.gr/news/article.asp?lngEntityID7019
  12lngDtrID252
• ????µe e??????? pa?ade??µata ???s?? pa?d??? st?
  d?ad??t??

9
??t?a p??stas?a? ap? t?? ??????Monitoring

• ???t?te p??spa???µe ?a pa?a????????µe ??e? t??
  p???? e??µ???s?? ??a ??µata asf??e?a?
• S?µµet????µe se s???d??a asf??e?a?
• ??µaste se d?a??? epaf? µe
• F??e?? st?? ????da ?a? t? ???te????
• ???? ?p????p??? ?????????? ISPs
• ??a?e???st?? d?µ?f???? d??t?a??? t?p??

10
??t?a p??stas?a? ap? t?? ???????µ?µa Abuse

• ???ad??? s?µe?? a?af???? ?a? ep????????a?
• Abuse_at_OTENET.GR
• ?e??de? ape??e?a? ?ata??e??e? ?a??µe????
• ?µes? ep????????a µe pe??te? ?a? ??a ta
  eµp?e??µe?a tµ?µata ??a ??t?µata ABUSE
• ????µ? s??e??as?a µe abuse e???????? ?a? µ? ISPs
• Ste?e??µ??? µe e?d??? ?ata?t?sµ??? p??s?p???
• ?µfas? st?? ?????????? ?a?????ta

11
??t?a p??stas?a? ap? t?? ??????OTENET
SecurityKit

• ??? µ??? antivirus firewall
• Parental Control Content Filtering
• ?p?st????? te????? ???st? ????a

12
??d. ?e??t?????a? ?a? ??ad??t??

• ?a???sµ?? d??t??
• ??af??et??? ??? ?a? ???µa
• Netiquette

13
S?µpe??sµata

• ?a?????te? p?? ??et?saµe
• ??apt?ss?µe?? pe??ß????? ep??????????
• S??e??? e?e??ss?µe?e? ape????
• ???? ?a? ??ad??t??
• ????? ?a? ??ad??t??
• S?µpe??sµata
• ?e? ?p???e? ????t? ? sta?e?? Internet. ??
  Internet e??a? µ???? t?? pe??ß?????t?? µa?
• ?e? ?p???e? pa???sµ?a ?????
• ? f?s? t?? a????p?? e??a? ? e????? µa? ?a? st?
  Internet.