wireless & password security mark theeuwes. 2 wireless basics
TRANSCRIPT
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Wireless & password security
Mark Theeuwes
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Wireless basics
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Wireless basics
Radio waves
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Wireless basics
Channels 2,4 GHz (802.11 B/G/N)
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Wireless basics
Channels 5GHz (802.11 A/N)
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Wireless basics
Reflection
Absorbtion
Refraction
Scattering
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Wireless basics
Omnidirectional antenna
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Wireless basics
Other Antenna’s
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Wireless basics
WLAN Cell
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Wireless basics
Range
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Wireless basics
Roaming
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Wireless basics
Roaming
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Wireless basics
Cells
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Wireless basics
Honey cone
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Wireless basics
Building
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Wireless basics
Autonomous Accespoint
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CiscoWireless
LWAP
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Cisco Wireless
4) Cisco Secure ACS servers
Printers with wireless workgroup bridge
Notebook Wireless workstations
CISCO AIRONET 1200 I WIRELESS ACCESS POINT CISCO AIRONET 1200 I WIRELESS ACCESS POINT
5) ADS Domain Controllers
RA
DIU
S
LDAP
AES
WEP128
CISCO AIRONET 1200 I WIRELESS ACCESS POINT
CISCO AIRONET 1200 I WIRELESS ACCESS POINT
CISCO AIRONET 1200 I WIRELESS ACCESS POINT
CISCO AIRONET 1200 I WIRELESS ACCESS POINT
LAN LWAP
WLAN controllers
Firewalls
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Wireless
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Wireless basics
Association
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Wireless basics
Security options
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Wireless attacks
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Wireless attacks
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WEP cracking
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WPA2 cracking
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Passwords
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Strong passwords
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Passwords
password
2Mypassword
2MyPa$$w0rd!
1Ef$aŎX9s2!#
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Password policy considerations
What is too simple ? Password age ? Password length ?
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Passwords
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Strong passwords
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Myspace attack 2006 (34.000 passwords)
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Myspace attack 2006
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Most common passwords (America)
password1, abc123, myspace1, password, blink182, qwerty1, fuckyou, 123abc, baseball1, football1, 123456, soccer, monkey1, liverpool1, princess1, jordan23, slipknot1, superman1, iloveyou1, monkey
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Password hashes
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Password hashes
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Password hacking
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Password guessing
The word "password" The same as the user name Name of the user Birthdays or birth places Relatives Pets Favorite colors, foods, places, etc.
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Dictionary attacks
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Brute force
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Rainbow tables
NTLM hashes
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Password database Fontys Venlo (10 years ago)
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Future ?
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Security is a trade off
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Questions
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