Security
This cyber security glossary explains the meaning of terms about different types of computer security threats as well as words about application security, access control, network intrusion detection, security awareness training and computer forensics.

Authentication and access control
Terms related to authentication, including security definitions about passwords and words and phrases about proving identity.
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What is a rootkit?
A rootkit is a program or a collection of malicious software tools that give a threat actor remote access to and control over a computer or other system.
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What is Kerberos and how does it work?
Kerberos is a protocol for authenticating service requests between trusted hosts across an untrusted network, such as the internet.
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What is a certificate authority (CA)?
A certificate authority (CA) is a trusted entity that issues digital certificates to authenticate content sent from web servers.
Compliance, risk and governance
This glossary contains definitions related to compliance. Some definitions explain the meaning of words used in compliance regulations. Other definitions are related to the strategies that compliance officers use to mitigate risk and create a manageable compliance infrastructure.
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What is a disaster recovery plan (DRP)?
A disaster recovery plan (DRP) is a documented, structured approach that describes how an organization can quickly resume operations after an unplanned incident.
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What is a copyright?
Copyright is a legal term describing ownership or control of the rights to use and distribute certain works of creative expression, including books, video, motion pictures, musical compositions and computer programs.
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What is the Digital Operational Resilience Act (DORA)?
The Digital Operational Resilience Act (DORA) is a European Union regulation designed to enhance cybersecurity and ensure functional continuity of the financial sector, employing rigorous information and communications technology (ICT) standards across all EU financial entities.
Network security
Terms related to network security, including definitions about intrusion prevention and words and phrases about VPNs and firewalls.
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What is a disaster recovery plan (DRP)?
A disaster recovery plan (DRP) is a documented, structured approach that describes how an organization can quickly resume operations after an unplanned incident.
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What is a rootkit?
A rootkit is a program or a collection of malicious software tools that give a threat actor remote access to and control over a computer or other system.
-
What is Kerberos and how does it work?
Kerberos is a protocol for authenticating service requests between trusted hosts across an untrusted network, such as the internet.
Security Admin
Terms related to security management, including definitions about intrusion detection systems (IDS) and words and phrases about asset management, security policies, security monitoring, authorization and authentication.
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What is a disaster recovery plan (DRP)?
A disaster recovery plan (DRP) is a documented, structured approach that describes how an organization can quickly resume operations after an unplanned incident.
-
What is a rootkit?
A rootkit is a program or a collection of malicious software tools that give a threat actor remote access to and control over a computer or other system.
-
What is Kerberos and how does it work?
Kerberos is a protocol for authenticating service requests between trusted hosts across an untrusted network, such as the internet.
Threat management
Terms related to security threats, including definitions about anti-virus programs or firewalls and words and phrases about malware, viruses, Trojans and other security attacks.
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What is a disaster recovery plan (DRP)?
A disaster recovery plan (DRP) is a documented, structured approach that describes how an organization can quickly resume operations after an unplanned incident.
-
What is a rootkit?
A rootkit is a program or a collection of malicious software tools that give a threat actor remote access to and control over a computer or other system.
-
What is Kerberos and how does it work?
Kerberos is a protocol for authenticating service requests between trusted hosts across an untrusted network, such as the internet.