What is ゼロデイ?
In this glossary, ゼロデイ refers to: A vulnerability in PKI or cryptographic systems that is unknown to the vendor and for which no official patch or mitigation exists at the time of discovery.
How is ゼロデイ used in cybersecurity?
In cybersecurity communication, this term appears in contexts such as: "暗号ライブラリに影響を及ぼすゼロデイは、対策が講じられるまでPKI全体の完全性を脅かす可能性があります。"
Why does ゼロデイ matter in cybersecurity?
ゼロデイ matters because it supports clear communication in Vulnerability Management contexts for SOC Analysts, Security Engineers, and Incident Responders. It also connects to aviation training and exam language such as CISSP, CompTIA Security+, and CEH.
Who uses ゼロデイ?
ゼロデイ is mainly used by SOC Analysts, Security Engineers, and Incident Responders.
What category does ゼロデイ belong to?
In this glossary, ゼロデイ is grouped under Vulnerability Management. Related pages in this category explain adjacent procedures, commands and operational concepts.
Where does this definition come from?
This definition is sourced from ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK and published by Protermify Cybersecurity as a static cybersecurity reference page.
