WGU - MSCSIA - C700 - Secure Network
Design - 2019
What happened September 15th 2016? - ✔✔Brian Krebs, (KrepsOnSecurity) was
DDoS'd with Mirai
On what day was Brian Krebs attacked? - ✔✔September 15th 2016
What was M
...
WGU - MSCSIA - C700 - Secure Network
Design - 2019
What happened September 15th 2016? - ✔✔Brian Krebs, (KrepsOnSecurity) was
DDoS'd with Mirai
On what day was Brian Krebs attacked? - ✔✔September 15th 2016
What was Mirai? - ✔✔The Botnet that was used against Brian Krebs on September
15th 2016
It sent 620 Gbps of traffic
Was over 2x the amount Akamai had ever encountered
It used the IoT such as DVRs, security cameras and home routers
What is the IoT? - ✔✔Internet of Things
Connected devices aka smart devices
Smart TVs, Smart Thermostats, Smart Fridges, Smart Speakers etc
What is Dyn? - ✔✔A DNS hosting service that was hit by Mirai. It was used by Netflix,
Tumblr, Amazon, Twitter, Spotify and Tumblr
When did the internet first become commercial? - ✔✔1995
Prior to that the "Internet's Acceptable Use Policy" prohibited commercial use because it
was supported by the National Science Foundation (NSF).
In 1995 NSF pulled out and the internet became commercial
What is an ISP? - ✔✔Internet Service Provider
What are hosts? - ✔✔All computers connected to a network that participate directly in
network communication are classified as hosts.
Hosts are also called end devices.
What is e-commerce? - ✔✔Conducting business on the internet (buying/selling on the
internet)What accounts for 33% of the internet's traffic? - ✔✔Netflix
What network came before the internet? - ✔✔ARPNET
When was the internet created? - ✔✔Late 1970s
Who sets standards for the internet? - ✔✔Internet Engineering Task Force (IETF)
But standards are optional
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