- Cryptography is the practice of concealing information used in electronic communication to protect passwords, secret keys, etc.
- A cipher/algorithm is a formula used to hide the meaning of a message.
- The key is the variable in a cipher that is used to encrypt or decrypt a message.
- Symmetric encryption that transposes plain text to ciphertext in chunks is called a block cipher.
- The next section was about certificates.
- PKI creates pairs of public and private keys.
- The next section was about encrypting files and whole hard drives.
- I learned about GPG and PGP
Article
The article I read about was the US Marshals Service. They had inmates information exposed. More than 387,000 former and current inmates had their information exposed. Information stolen was names, dates of birth, social security numbers, and home addresses. They are doing numerous fixes to ensure this breach doesn't happen in the future. The hackers were not caught.
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