Learn about the fundamentals of cyber security.
Training material that covers the basics of cyber security
Learn about the fundamentals of cyber security.
Binary and hexadecimal are numbering systems based upon 2 and
16.
Source: whisk0r
Every file has a structure, and every structure can have risks.
A character set is a mapping from characters (e.g., alphabet, numbers, punctuation) into bytes. Unicode is the most common character set in the world, and UTF-8 is the most common encoding of Unicode. Read More.
Source: Tom Scott via Computerphile
This video gives an introduction to data structures such as arrays, list, stacks, and queues; it demonstrates them using Python code.
Source: Brian Will via Code School
This video explains what metadata is and answers common questions about it.
Source: Kopana Terry via MMfilm2digitutorials
An operating system (OS) is the software that manages a computer’s hardware, software, and services.
Source: Shaun Michael K. Stone
An operating system (OS) is the software that manages a computer’s hardware, software, and services.
Source: Brian Will via Code School
A kernel is a program that manages I/O requests from software and translates them into CPU instructions.
Source: Martino Jones
File systems control how data is stored on disks.
Source: Shaun Michael K. Stone
File systems control how data is stored on disks.
Source: O'Reilly - Video Training
This video gives an introduction to the basics of networking, such as the OSI stack, protocols, and sockets.
OSI Model – The OSI model is a model of how network protocols and equipment communicate with each other.
Source: Professor Messer
Hypertext transfer protocol secure (HTTPS) is a secure version of HTTP. The connection is encrypted with TLS or SSL, thus protecting the privacy and integrity of any data that is exchanged.
Source: WebConcepts
A cookie is a set of information sent from a web server to a web client. The information is formatted as a comma-delimited list of name/value pairs, typically contains state information about user activity, and is expected to be retrieved later.
Source: Adversitement
The domain name system (DNS) is a distributed naming system for computers and services connected to a network. It’s most important feature is converting a domain name (www.google.com) into its corresponding IP address
Source: DNS Made Easy Videos
A database stores digital data. A relational database maintains a collection of tables to store data and relate them to each other.
Source: Al Zimmerman
A database stores digital data. A relational database maintains a collection of tables to store data and relate them to each other.
Source: learningsqlserver
A web server is a computer that serves web pages and applications to users.
Steganography is the practice of hiding data within other data such that the hidden data cannot be detected. For example, a text file can be hidden within an image file without changing the image. Steganography can be used for covert communications.
Source: alantalkstech
These videos cover some of the basics of cryptography, including symmetric/asymmetric encryption, ciphers, and hash functions.
These videos cover some of the basics of cryptography, including symmetric/asymmetric encryption, ciphers, and hash functions.
These videos cover some of the basics of cryptography, including symmetric/asymmetric encryption, ciphers, and hash functions.
Symmetric Encryption – This video explains the basics of symmetric encryption, which is one way of protecting data so that two users can securely exchange information.
Basic Cryptanalysis and Block Ciphers – This video overviews the basics of cryptanalysis and block ciphers.
Asymmetric Encryption – This video explains the basics of asymmetric encryption, another way of protecting data so that two users can securely exchange information.
This video introduces the authentication and key management, which are foundational blocks for encryption.