(Answered)
Taking Notes - 3 Steps
Recall
Be Exact
Make Connections
Cyber Security
Protecting your "stuff" online: data, information, online reputation, social interactions,
presence, search and click history, etc.
Internet Data Privacy Concern
When you're worried about keeping some info away from someone because you don't
like that they might see it.
Internet Data Security Concern
When someone can harm you if they misused information about you. This information
was stored online which is how that person got access to it.
Physical Locks
A physical barrier between your stuff and someone trying to get or use your stuff
Digital Locks
A digital barrier between your stuff and someone trying to get or use your stuff -
passwords and encryption
What is the Internet
The way that computers connect to computers: physical wires, routers, cables under the
ground, connections and connections! - a web of connections sharing information at
light speed!
Digital Information
Posts, images, times, dates, uploads
numbers of things: likes, clicks, visits, friends, history
Age, name, user profile information, medical information, secrets you send to a friend
Scores, grades, performance, job history, voting history, who you've liked or supported
in the past
What's so different about digital safety?
Physical - It takes time and resources to make something or to find it as it may be very
far away.
Digital - Hackers can write computer programs that can attempt millions of passwords
on millions of accounts very very quickly from across the world
Web Servers
Computers that are optimized to store HTML websites and respond to user requests to
see that saved information in the form of a webpage.
World Wide Web
Interconnected network of linked pages!
Websites (HTML) - servers
HTTP - language - your browser talks to the server
Browser
, Talks to web servers for you through the internet and present you the HTML web pages
in a graphical user interface.
Talks (HTTP) to the web server and gets any pages or files you ask for
Displays them to you nice and pretty
You use the graphical user interface to read, watch, and choose options for this process
to then repeat
The Full Internet
Websites - wwww
File Transfer
Messaging
Money transfer
Video streaming
Gaming
Printing and Scanning
Phone calls and Voicemail
Internet of Things
All of these devices that track you, guide you, help you all day long.
They send and receive information about you.
These connected devices create a unique tracked and guided experience for us -
internet of things!
Standards and Protocols
Create a place where you can use the internet from any device, any browser, any
provider, any location, anytime.
These are the languages and procedures to accomplish tasks over the internet
Equal Access to Information
Access to internet means access to all of the internet, not just some.
Knowledge is power!
It's important for every internet connection to treat all information equally. This means
no sites are blocked or slowed down. No communication is blocked or slowed down.
This is where we learn, communicate, and get access to help.
Types of Cables
Ethernet and Coax (electricity)
Fiber Optic (light waves)
Wifi and Cellular (Radio waves)
3 ways to represent 0s and 1s!
Centralized Network
Not reliable or safe
Only one router