OV 2- 1 Copyright © 2005 Element K Content LLC. All rights reserved. Security Threats  Social Engineering  Software-based Threats  Hardware-based Threats.

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Presentation transcript:

OV 2- 1 Copyright © 2005 Element K Content LLC. All rights reserved. Security Threats  Social Engineering  Software-based Threats  Hardware-based Threats

OV 2- 2 Copyright © 2005 Element K Content LLC. All rights reserved. A Social Engineering Attack Attacker Target User name Password Attacker obtains credentials from user 2.Attacker uses credentials to mount attack

OV 2- 3 Copyright © 2005 Element K Content LLC. All rights reserved. Hackers, Crackers, and Attackers CrackerAttackerHacker

OV 2- 4 Copyright © 2005 Element K Content LLC. All rights reserved. Attacker Types  Internal attacker  Hacktivist  Data thief  Script kiddie  Electronic vandal  Cyberterrorist

OV 2- 5 Copyright © 2005 Element K Content LLC. All rights reserved. A Software Attack ApplicationOperating system Protocol

OV 2- 6 Copyright © 2005 Element K Content LLC. All rights reserved. A Port Scanning Attack PortProtocolState 21FTPOpen 53DNSClosed 80HTTPOpen 110POP3Closed 119NNTPClosed 443HTTPSOpen

OV 2- 7 Copyright © 2005 Element K Content LLC. All rights reserved. An Eavesdropping Attack

OV 2- 8 Copyright © 2005 Element K Content LLC. All rights reserved. An IP Spoofing Attack IP Packet Target Real IP address: Real IP address: Source IP address: Destination IP address: Source IP address: Destination IP address:

OV 2- 9 Copyright © 2005 Element K Content LLC. All rights reserved. A Hijacking Attack

OV Copyright © 2005 Element K Content LLC. All rights reserved. A Replay Attack 10:00 A.M. 1:00 P.M.

OV Copyright © 2005 Element K Content LLC. All rights reserved. A Man-in-the-Middle Attack

OV Copyright © 2005 Element K Content LLC. All rights reserved. A DoS Attack

OV Copyright © 2005 Element K Content LLC. All rights reserved. A DDoS Attack Drones

OV Copyright © 2005 Element K Content LLC. All rights reserved. Types of DoS Attacks  Smurf  Buffer overflow  SYN flood

OV Copyright © 2005 Element K Content LLC. All rights reserved. A Malicious Code Attack

OV Copyright © 2005 Element K Content LLC. All rights reserved. Types of Malicious Code Viruses Worms Trojans Logic Bombs

OV Copyright © 2005 Element K Content LLC. All rights reserved. Default Security Attacks

OV Copyright © 2005 Element K Content LLC. All rights reserved. A Software Exploitation Attack Known flaw

OV Copyright © 2005 Element K Content LLC. All rights reserved. Types of Software Exploitation Attacks  Buffer overflow  Mathematical  Weak keys

OV Copyright © 2005 Element K Content LLC. All rights reserved. Misuse of Privilege Attacks Administrative user

OV Copyright © 2005 Element K Content LLC. All rights reserved. A Password Attack xxxxxxxxx xPxxxxxxx xPassxxxx xPass 1234 !Pass 1234

OV Copyright © 2005 Element K Content LLC. All rights reserved. Types of Password Attacks  Guessing  Stealing  Brute force  Dictionary  Birthday xxxxxxxxx xPxxxxxxx xPassxxxx xPass 1234 !Pass 1234

OV Copyright © 2005 Element K Content LLC. All rights reserved. A Backdoor Attack Backdoor account

OV Copyright © 2005 Element K Content LLC. All rights reserved. Hardware Attacks

OV Copyright © 2005 Element K Content LLC. All rights reserved. Reflective Questions 1. What type of attack do you think is most dangerous? 2. Which type of attack do you think it might be most difficult to guard against?