Computer Safety 101

1
Computer Safety 101
University Development Virginia Tech
2
Computer Safety 101

• Dont worry, We Protect You

3
Computer Safety 101

• We have a standard setup that we apply to all the
  computers

4
Computer Safety 101

• We have a standard setup that we apply to all the
  computers
• up-to-date Symantec antivirus

5
Computer Safety 101

• We have a standard setup that we apply to all the
  computers
• up-to-date Symantec antivirus
• security updates to Windows

6
Computer Safety 101

• We have a standard setup that we apply to all the
  computers
• up-to-date Symantec antivirus
• security updates to Windows
• network firewalls

7
Computer Safety 101

• We have a standard setup that we apply to all the
  computers
• up-to-date Symantec antivirus
• security updates to Windows
• network firewalls
• and defensive settings to make life harder for
  hackers

8
Computer Safety 101

• At Home, Protect Yourself!

9
Computer Safety 101

• Get and use antivirus software.

10
Computer Safety 101

• Get and use antivirus software.
• http//antivirus.vt.edu for VT-owned PCs

11
Computer Safety 101

• Get and use antivirus software.
• http//antivirus.vt.edu for VT-owned PCs
• http//free.grisoft.com/doc/2/lng/us/tpl/v5 to
  get a free antivirus for personal use

12
Computer Safety 101

• Run Windows Update at least once a month

13
Computer Safety 101

• Run Windows Update at least once a month
• 'Windows Update' item can be found on the Start
  menu

14
Computer Safety 101

• Run Windows Update at least once a month
• 'Windows Update' item can be found on the Start
  menu
• Using Windows XP? Update to Service Pack 2!

15
Computer Safety 101

• Run Windows Update at least once a month
• 'Windows Update' item can be found on the Start
  menu
• Using Windows XP? Update to Service Pack 2!
• Using Windows 98 or ME? Upgrade to XP!

16
Computer Safety 101

• Dont Email That Attachment!

17
Computer Safety 101

• Email is an open, public system

18
Computer Safety 101

• Email is an open, public system
• Think of it as sending a postcard

19
Computer Safety 101

• Email is an open, public system
• Think of it as sending a postcard
• Right now, you cant send completely protected
  messages

20
Computer Safety 101

• Email is an open, public system
• Think of it as sending a postcard
• Right now, you cant send completely protected
  messages
• Were working on it, but not yet

21
Computer Safety 101

• Email is an open, public system
• Think of it as sending a postcard
• Right now, you cant send completely protected
  messages
• Were working on it, but not yet
• Dont email Excel spreadsheets or other documents
  with confidential data

22
Computer Safety 101

• Use other ways to share confidential documents

23
Computer Safety 101

• Use other ways to share confidential documents
• Ask us to set you up a drop box on the
  Development file server, FILE

24
Computer Safety 101

• Use other ways to share confidential documents
• Ask us to set you up a drop box on the
  Development file server, FILE
• Need to share with someone outside Virginia Tech?
  Have us set up a drop box on the web server, VTDEV

25
Computer Safety 101

• Use other ways to share confidential documents
• Ask us to set you up a drop box on the
  Development file server, FILE
• Need to share with someone outside Virginia Tech?
  Have us set up a drop box on the web server,
  VTDEV
• Unlike email, both can handle very large files

26
Computer Security 101

• What About Wireless?

27
Computer Security 101

• Wireless networks can be found everywhere!

28
Computer Security 101

• Wireless networks can be found everywhere!
• Bad Guys are there too!

29
Computer Security 101

• Wireless networks can be found everywhere!
• Bad Guys are there too!
• Eavesdropping

30
Computer Security 101

• Wireless networks can be found everywhere!
• Bad Guys are there too!
• Eavesdropping
• Using your network connection

31
Computer Security 101

• Use the VT VPN to stop eavesdropping

32
Computer Security 101

• Use the VT VPN to stop eavesdropping
• VPN Virtual Private Network

33
Computer Security 101

• Use the VT VPN to stop eavesdropping
• VPN Virtual Private Network
• A wrapper to shield network communication from
  prying eyes

34
Computer Security 101

• Use the VT VPN to stop eavesdropping
• VPN Virtual Private Network
• A wrapper to shield network communication from
  prying eyes
• Makes wireless transmissions a lot safer

35
Computer Security 101

• Use the VT VPN to stop eavesdropping
• VPN Virtual Private Network
• A wrapper to shield network communication from
  prying eyes
• Makes wireless transmissions a lot safer
• Can be used to make Outlook work through
  firewalls on cable modems and DSL

36
Computer Security 101

• VT VPN Gotchas!

37
Computer Security 101

• VT VPN Gotchas!
• You may need help to set it up (but thats what
  were here for!)

38
Computer Security 101

• VT VPN Gotchas!
• You may need help to set it up (but thats what
  were here for!)
• You WILL have to turn it on (like dialing a modem
  connection) every time you connect to a wireless
  network

39
Computer Security 101

• VT VPN Gotchas!
• You may need help to set it up (but thats what
  were here for!)
• You WILL have to turn it on (like dialing a modem
  connection) every time you connect to a wireless
  network
• You have to have a modem-pool or wireless account
  with Virginia Tech

40
Computer Security 101

• A free ride for the Bad Guys

41
Computer Security 101

• A free ride for the Bad Guys
• Bad Guys want an anonymous base of operations

42
Computer Security 101

• A free ride for the Bad Guys
• Bad Guys want an anonymous base of operations
• Bad Guys want YOU to pay for their internet access

43
Computer Security 101

• A free ride for the Bad Guys
• Bad Guys want an anonymous base of operations
• Bad Guys want YOU to pay for their internet
  access
• Desktop and Systems Support will not go and
  configure your home network, but

44
Computer Security 101

• Here are some good steps you can take to prevent
  unwanted hangers-on

45
Computer Security 101

• Here are some good steps you can take to prevent
  unwanted hangers-on
• Enable basic WEP 128-bit

46
Computer Security 101

• Here are some good steps you can take to prevent
  unwanted hangers-on
• Enable basic WEP 128-bit
• Do not broadcast your access points SSID

47
Computer Security 101

• Here are some good steps you can take to prevent
  unwanted hangers-on
• Enable basic WEP 128-bit
• Do not broadcast your access points SSID
• Enable access only by MAC address

48
Computer Security 101

• Here are some good steps you can take to prevent
  unwanted hangers-on
• Enable basic WEP 128-bit
• Do not broadcast your access points SSID
• Enable access only by MAC address
• Consult your wireless network device manual for
  details about these settings

49
Computer Security 101

• A Word About Padlocks

50
Computer Security 101

• A website that protects your transaction with
  encryption will show a closed padlock icon at the
  bottom of your browser window

51
Computer Security 101

• A website that protects your transaction with
  encryption will show a closed padlock icon at the
  bottom of your browser window
• The padlock means you are protected from
  eavesdropping

52
Computer Security 101

• If you are asked for private or confidential
  information, look for the padlock

53
Computer Security 101

• If you are asked for private or confidential
  information, look for the padlock
• No padlock no sale!

54
Computer Security 101

• If you are asked for private or confidential
  information, look for the padlock
• No padlock no sale!
• All reputable businesses and groups use secure
  web transactions

55
Computer Security 101

• If you are asked for private or confidential
  information, look for the padlock
• No padlock no sale!
• All reputable businesses and groups use secure
  web transactions
• Even our site https//support.univdev.vt.edu

56
Computer Security 101

• Your Help Is Essential!

57
Computer Security 101

• Desktop and Systems Support is taking proactive
  steps to protect our systems, but we cannot do it
  without your understanding, support, and
  assistance

58
Computer Security 101

• Feel free to contact us, particularly if

59
Computer Security 101

• Feel free to contact us, particularly if
• your computer is not running normally or seems
  excessively slow

60
Computer Security 101

• Feel free to contact us, particularly if
• your computer is not running normally or seems
  excessively slow
• you find that any of our security steps are
  impeding your workflow

61
Computer Security 101

• Feel free to contact us, particularly if
• your computer is not running normally or seems
  excessively slow
• you find that any of our security steps are
  impeding your workflow
• you have any questions

62
Computer Security 101

• Contact Us
• Siegfried Ziggy Hill 231-2818 zighill_at_vt.edu
• Peter Franchi231-2850 pfranchi_at_vt.edu
• To formally request service http//support.univde
  v.vt.edu

63
Computer Security 101

• Thank you for your time and attention!