Glossary: Q -TEISS® : Cracking Cyber Security

Glossary / Glossary: Q

Glossary: Q

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QR code Quick response codes are two-dimensional barcodes that can be scanned by a smartphone; the codes can contain phone numbers, website addresses or other messages; because the smartphone owner cannot read them directly they can be used to direct people to malicious websites
Quantum computer A highly advanced computer that makes use of the principles of quantum mechanics and where, instead of using simple bits (0s and 1s), the computer uses a number of quantum buts which can be in a number of different superpositions of states; quantum computing is relevant to cyber security as it damages the effectiveness of several principles behind encryption
Quarantine The isolating of files that are suspected of being malicious or containing malware so that they cannot affect a computer

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