Redundancy A method to increase reliability by allowing two or more units (e.g. network or hardware) to work in parallel with the same information, providing a reflection of each other. If one of them breaks down, the other one takes over.
Anycast network An industry standard for addressing name resolution traffic (DNS) over the internet that gives servers the highest possible availability across the world and prevents cyber-attacks.
Penetration testing A controlled way to identify security weaknesses in our systems by contracting professional testers to attack our systems and share their findings with the development teams. This helps our development and operations teams to strengthen our security.
Hashing A cryptographic hash function is a mathematical algorithm that maps data of arbitrary size to a bit string of a fixed size (a hash function) which is designed to also be a one-way function, that is, a function which is infeasible to invert. The only way to recreate the input data from an ideal cryptographic hash function's output is to try a large number of possible inputs to see if they produce a match.
Salting A method to prevent hacking by adding information before or after the hashed password. The primary function of salts is to defend against dictionary attacks versus a list of password hashes and against pre-computed rainbow table attacks.
SQLi SQL injection is a way to exploit security vulnerability in applications working with a database. The idea is to make a direct database query that circumvents the login system, and allows manipulation of the data.
XSS Cross-Site Scripting (XSS) attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted web sites.
CSRF Cross-Site Request Forgery (CSRF) is an attack that forces an end user to execute unwanted actions on a web application in which they are currently authenticated.
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