Glossary Terms

A DNS server that holds the official answers for a specific domain.

The decision about what a logged-in user may see or do.

A way to write binary data as plain text.

A common Unix shell used on Linux and servers.

A court case about whether encryption source code can be protected as free speech.

A practical review of a web app focused on common flaws, login, permissions, sessions, and data handling.

An update that fixes a security flaw or reduces the chance of abuse.

A messaging app designed with privacy in mind, usually with end-to-end encryption.

A well-known security expert and author writing about cryptography, trust and system security.

Automatically trying many combinations until one works.