Learn the two types of attacks on a computer system: passive, such as sniffing traffic, and active, such as releasing malware or creating a denial of service.
- [Instructor] The two types of attacks in a computer system…are passive such as sniffing traffic,…and active such as releasing malware…or creating a denial of service.…An attack can be against any of the security services,…confidentiality, integrity,…availability, or authentication.…Let's look at each of these.…Confidentiality is the protection of data…against unauthorized disclosure.…For example, if you're in a medical facility…you wouldn't wanna see unauthorized individuals…looking at patients information.…
Integrity is protection of data…from unauthorized modification.…For example, someone could change his or her salary…from $12 an hour to $20 an hour.…That would be a violation of integrity.…Availability is ensuring data and services…are available to authorized users.…A denial of service attack locks out legitimate users…and it's an attack against availability.…Authentication is assurance that the communicating entity…is who they say they are by verifying the identity…of a user or a device.…
For example, on a network,…
Author
Updated
1/13/2020Released
9/29/2016Note: The topics in this course will prepare you for key objectives on the Certified Ethical Hacker exam. Find an overview of the certification and the exam handbook at https://www.eccouncil.org/programs/certified-ethical-hacker-ceh/.
- Sniffing network traffic
- Passive vs. active attacks
- Comparing IPv4 to IPv6
- MAC and macof attacks
- Investigating DHCP attacks
- Detecting ARP and DNS spoofing
- Sniffing tools and techniques
Skill Level Beginner
Duration
Views
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Introduction
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Welcome1m 5s
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1. Sniffing Overview
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Sniffing network traffic4m 15s
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The OSI model4m 10s
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Passive and active attacks4m 34s
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Tapping into the data stream3m 19s
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Comparing IPv4 to IPv64m 35s
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2. MAC Attacks
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macof attack demo1m 51s
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Spoofing a MAC address2m 47s
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3. DHCP
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Investigating DHCP4m 20s
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Depleting the DHCP pool1m 25s
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4. ARP
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Address Resolution Protocol2m 48s
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Ettercap for ARP poison3m 8s
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Detecting ARP spoofing2m 51s
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5. DNS
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Domain Name Systems3m 28s
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Caching and forgery2m 12s
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Poisoning DNS1m 56s
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6. Sniffing Tools and Techniques
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Capturing images1m 19s
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Investigating OmniPeek3m 13s
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Other sniffing tools1m 9s
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Defending against sniffing1m 53s
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Conclusion
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Next steps2m
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Video: Passive and active attacks