About Me
Cisco Certified Network Professional (CCNP) - Security
1 Implementing Cisco Network Security (IINS)
1-1 Introduction to Network Security
1-1 1 Understanding Network Security Concepts
1-1 2 Threats and Vulnerabilities
1-1 3 Security Policies and Procedures
1-2 Secure Network Access
1-2 1 Implementing AAA (Authentication, Authorization, and Accounting)
1-2 2 RADIUS and TACACS+ Protocols
1-2 3 Secure VPNs (Virtual Private Networks)
1-3 Secure Connectivity
1-3 1 Implementing Secure Routing and Switching
1-3 2 Secure Wireless Networking
1-3 3 Secure Network Address Translation (NAT)
1-4 Secure Access Control
1-4 1 Implementing Identity Services Engine (ISE)
1-4 2 Role-Based Access Control (RBAC)
1-4 3 Guest Access and BYOD (Bring Your Own Device)
1-5 Secure Network Design
1-5 1 Designing Secure Network Architectures
1-5 2 Implementing Security Zones and DMZs (Demilitarized Zones)
1-5 3 Secure Network Segmentation
1-6 Secure Network Management
1-6 1 Implementing Secure Network Management Protocols
1-6 2 Secure Network Monitoring and Logging
1-6 3 Incident Response and Management
2 Implementing Advanced Security Infrastructure (IASI)
2-1 Advanced Threat Defense
2-1 1 Intrusion Prevention Systems (IPS)
2-1 2 Next-Generation Firewalls (NGFW)
2-1 3 Advanced Malware Protection (AMP)
2-2 Secure Data and Applications
2-2 1 Secure Data Encryption
2-2 2 Secure Application Delivery
2-2 3 Data Loss Prevention (DLP)
2-3 Secure Cloud and Virtualization
2-3 1 Secure Cloud Infrastructure
2-3 2 Virtualization Security
2-3 3 Cloud Access Security Brokers (CASB)
2-4 Secure Collaboration
2-4 1 Secure Unified Communications
2-4 2 Secure Collaboration Tools
2-4 3 Secure Email and Messaging
2-5 Advanced Security Management
2-5 1 Security Information and Event Management (SIEM)
2-5 2 Threat Intelligence and Analytics
2-5 3 Advanced Incident Response and Forensics
3 Implementing Secure Access Solutions (ISAS)
3-1 Secure Access Control
3-1 1 Multi-Factor Authentication (MFA)
3-1 2 Single Sign-On (SSO)
3-1 3 Identity Federation
3-2 Secure Remote Access
3-2 1 Secure Remote Desktop
3-2 2 Secure File Transfer
3-2 3 Secure Mobile Access
3-3 Secure Network Access Control (NAC)
3-3 1 NAC Implementation
3-3 2 Endpoint Compliance and Remediation
3-3 3 NAC in Virtual Environments
3-4 Secure Wireless Access
3-4 1 Wireless Security Protocols
3-4 2 Secure Wireless Authentication
3-4 3 Wireless Intrusion Prevention Systems (WIPS)
3-5 Secure Access Management
3-5 1 Access Policy Management
3-5 2 User and Entity Behavior Analytics (UEBA)
3-5 3 Access Governance and Compliance
4 Implementing Cisco Threat Control Solutions (ITCS)
4-1 Threat Detection and Response
4-1 1 Network-Based Threat Detection
4-1 2 Endpoint Threat Detection
4-1 3 Threat Hunting and Analysis
4-2 Threat Mitigation and Prevention
4-2 1 Threat Mitigation Techniques
4-2 2 Advanced Threat Prevention
4-2 3 Threat Intelligence Integration
4-3 Secure Email and Web
4-3 1 Secure Email Gateways
4-3 2 Web Application Firewalls (WAF)
4-3 3 Secure Web Browsing
4-4 Secure Mobile and IoT
4-4 1 Mobile Device Security
4-4 2 IoT Security
4-4 3 Secure Mobile Application Management
4-5 Threat Management and Compliance
4-5 1 Threat Management Frameworks
4-5 2 Compliance and Regulatory Requirements
4-5 3 Threat Management Tools and Technologies
3.1 Secure Access Control Explained

3.1 Secure Access Control Explained

Key Concepts

Authentication

Authentication is the process of verifying the identity of a user or device. This is typically done through credentials such as passwords, biometric data, or digital certificates.

Example: When you log into your email account, the system checks your username and password to confirm your identity before granting access.

Authorization

Authorization is the process of granting or denying access to resources based on the authenticated user's privileges. It ensures that users can only access the resources they are permitted to.

Example: After logging into a corporate network, an employee is only allowed to access files and applications relevant to their job role, such as HR files for an HR manager or financial data for an accountant.

Accounting (AAA)

Accounting, part of the AAA (Authentication, Authorization, Accounting) framework, involves logging and monitoring user activities for auditing and resource management purposes.

Example: A company logs all access attempts to sensitive databases, recording the time, user, and actions taken. This data is used for auditing and to detect any unauthorized access attempts.

Role-Based Access Control (RBAC)

RBAC is a method of regulating access to resources based on the roles of individual users within an organization. It simplifies access management by assigning permissions based on roles rather than individual users.

Example: In a hospital, doctors have access to patient medical records, while nurses have access to patient care information. The system automatically assigns and revokes permissions based on the user's role.

Multi-Factor Authentication (MFA)

MFA is a security system that requires more than one method of authentication from independent categories of credentials to verify the user's identity. This adds an extra layer of security.

Example: When accessing a bank account online, you might need to enter a password, a one-time code sent to your mobile device, and a fingerprint scan to complete the login process.

Examples and Analogies

Think of Authentication as showing your ID at the entrance of a secure building. Only those with valid IDs are allowed to enter.

Authorization is like having a keycard that only opens certain doors within the building. You can only access the areas your keycard is programmed for.

Accounting is akin to a security guard noting down every entry and exit in a logbook. This helps in tracking who came in and out and when.

RBAC is similar to a company where employees have different access levels based on their job titles. A manager has more access than an intern.

MFA is like a high-security vault that requires a combination lock, a key, and a fingerprint scan to open. All three methods must be correct to gain access.

Conclusion

Secure Access Control is essential for protecting resources and ensuring that only authorized users can access them. By understanding and implementing concepts such as Authentication, Authorization, Accounting (AAA), Role-Based Access Control (RBAC), and Multi-Factor Authentication (MFA), organizations can create a robust security framework that safeguards against unauthorized access and potential threats.

© 2024 Ahmed Baheeg Khorshid. All rights reserved.