Cybersecurity Glossary

1506 essential cybersecurity terms explained. Your reference guide from A to Z.

1506Terms
A–ZIndexed
All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Q
Quantum Cryptography
Cryptographic systems that leverage quantum mechanical properties to secure communication, theoretically immune to computational attacks including quantum computing.
Quantum Computing Threat
The potential for quantum computers to break current encryption algorithms, particularly RSA and ECC, threatening the security of encrypted data.
QUIC
Quick UDP Internet Connections. A transport protocol developed by Google that provides multiplexed connections over UDP with built-in TLS 1.3 encryption.
QR Code Phishing
Phishing attacks that use QR codes to direct victims to malicious websites, bypassing traditional email security link scanning.