Zero Trust
Definition
what is Zero Trust?
Zero Trust is a security framework that operates on the principle of “never trust, always verify” and it assumes that threats can exist both outside and inside the network, and thus, no user or device, whether inside or outside the organization’s network, should be trusted by default.
Instead of relying solely on perimeter defenses, Zero Trust enforces continuous verification of identity, device integrity, and access permissions for every request to access resources, no matter where the request originates.
This approach minimizes the risk of lateral movement within the network and ensures that sensitive resources are only accessible by those who are properly authenticated and authorized.
Core Concepts
NAC – Network Access Control
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IDPS – Intrusion Detection and Prevention System
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VPN – Virtual Private Network
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Ransomware
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RTO – Recovery Time Objective
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RPO – Recovery Point Objective
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IRP – Incident Response Plan
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DRP – Disaster Recovery Plan
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BIA – Business Impact Analysis
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BCP – Business Continuity Plan
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CBA – Critical Business Asset
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CBP – Critical Business Process
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ISO/IEC – 27001
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National Institute of Standards and Technology (NIST) Special Publication 800-53
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GDPR – General Data Protection Regulation
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FISMA – Federal Information Security Modernization Act
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HIPAA – Health Insurance Portability and Accountability Act
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AICPA – American Institute of Certified Public Accountants – SOC2
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CISO – Chief Information Security Officer
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Digital Forensics
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Vulnerability
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APT – Advanced Persistent Threat
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Threat Hunting
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Cyber Attack Vectors
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CISSP – Certified Information Systems Security Professional
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EDR / XDR – Extended Endpoint Detection and Response
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SIEM – Security Information and Event Management
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SOAR – Security Orchestration Automation and Response
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DLP – Data Loss Prevention
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SOC – Security Operations Center
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CVE – Common Vulnerabilities and Exposures
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Patch Management
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IOC – Indicators of Compromise
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CVSS – Common Vulnerability Scoring System
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GRC – Governance Risk Compliance
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FedRAMP – Federal Risk and Authorization Management Program
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SABSA – Sherwood Applied Business Security Architecture
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TOGAF – The Open Group Architecture Framework
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MTTR – Mean Time to Recover
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Brute Force Attack
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Insider Threat
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Packet Sniffing
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Phishing Attack
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Penetration Test
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UAC – User Access Control
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WSC – Windows Security Center
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Email Security Gateway
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ISC2 – The International Information System Security Certification Consortium
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Cryptography
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AMSI – Anti Malware Scan Interface
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Bastion Host
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ETW – Event Tracing for Windows
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MFA – Multi Factor Authentication
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Vulnerability Assessment
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IOA – Indicators of Attack
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CSA – Cloud Security Alliance
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CISM – Certified Information Security Manager
Certified Information Security Manager (CISM) is a globally recognized certification...
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PII – Personally Identifiable Information
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ISACA – Information Systems Audit and Control Association
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IETF – Internet Engineering Task Force
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ICANN – Internet Corporation for Assigned Names and Numbers
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IEEE – Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers (IEEE) is the...
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IANA – Internet Assigned Numbers Authority
The Internet Assigned Numbers Authority (IANA) is a key organization...
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CISA – Cybersecurity and Infrastructure Security Agency
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PHI – Protected Health Information
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CRISC – Certified in Risk and Information Systems Control
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Administrative Controls
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CASB – Cloud Access Security Broker
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Physical Controls
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Digital Signatures
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IAM – Identity and Access Management
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SASE – Secure Access Service Edge
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WAF – Web Application Firewall
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Zero Trust
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Technical Controls
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TOR – The Onion Router
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Tails OS – The Amnesic Incognito Live System
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Privilege Creep
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The Principle of Least Privilege
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IAAA – Identification and Authentication Authorization and Accountability
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DPO – Data Privacy Officer
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Data Owner
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Data Custodian
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Biba Model
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Cyber Security Architect
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Bell LaPadula Model
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MITRE ATT&CK
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MITRE D3FEND
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