Section 1: Network and Security Concepts
by
Cisco Certified CyberOps Associate 200-201 Certification Guide
- Cisco Certified CyberOps Associate 200-201 Certification Guide
- Contributors
- About the author
- About the reviewers
- Preface
- Section 1: Network and Security Concepts
- Chapter 1: Exploring Networking Concepts
- Technical requirements
- The functions of the network layers
- The OSI reference model
- The TCP/IP protocol suite
- Understanding the purpose of various network protocols
- Transmission Control Protocol
- User Datagram Protocol
- Internet Protocol
- The Internet Control Message Protocol
- Lab – inspecting ICMP messages with Wireshark
- Summary
- Questions
- Further reading
- Chapter 2: Exploring Network Components and Security Systems
- Technical requirements
- Exploring various network services
- Address Resolution Protocol
- Domain Name System
- Dynamic Host Configuration Protocol
- Discovering the role and operations of network devices
- Hubs
- Switches
- Layer 3 switches
- Routers
- Wireless Access Point (WAP)
- Wireless LAN Controller (WLC)
- Describing the functions of Cisco network security systems
- Firewall
- Cisco Intrusion Prevention System (IPS)
- Web Security Appliance
- Email Security Appliance
- Cisco Advanced Malware Protection
- Summary
- Questions
- Further reading
- Chapter 3: Discovering Security Concepts
- Introducing the principles of defense in depth
- Confidentiality
- Integrity
- Availability
- Combining the three pillars
- Exploring security terminologies
- Threats, vulnerabilities, and exploits
- Identifying threat actors
- Understanding runbook automation
- Chain of custody
- Reverse engineering
- PII and PHI
- Understanding risk
- Exploring access control models
- Discretionary access control
- Mandatory access control
- Rule-based access control
- Time-based access control
- Role-based access control
- Authentication, authorization, and accounting
- Understanding security deployment
- Summary
- Questions
- Section 2: Principles of Security Monitoring
- Chapter 4: Understanding Security Principles
- Technical requirements
- Understanding a security operation center
- Types of SOC
- Elements of an SOC
- Understanding the security tools used to inspect data types on a network
- Attack surface and vulnerability
- tcpdump
- NetFlow
- Application visibility and control
- Web content filtering
- Email content filtering
- Understanding the impact of data visibility through networking technologies
- Access control lists
- NAT and PAT
- Tunneling, encapsulation, and encryption
- Peer-to-Peer (P2P) and TOR
- Load balancing
- Next-gen IPS event types
- Understanding how threat actors transport malicious code
- The domain name system
- The Network Time Protocol
- Web-based traffic
- Email-based traffic
- Delving into data types used during security monitoring
- Session data
- Transaction data
- Full packet capture
- Statistical data
- Extracted content (metadata)
- Alert data
- Summary
- Questions
- Further reading
- Chapter 5: Identifying Attack Methods
- Understanding network-based attacks
- Denial of Service
- Protocol-based attacks
- Distributed Denial of Service
- Man-in-the-middle
- Exploring web application attacks
- SQL injection
- Command injection
- Cross-site scripting
- Cross-site request forgery
- Delving into social engineering attacks
- Key elements of social engineering
- Types of social engineering attacks
- Understanding endpoint-based attacks
- Buffer overflows
- Command and control (C2)
- Malware and ransomware
- Interpreting evasion and obfuscation techniques
- Summary
- Questions
- Further reading
- Chapter 6: Working with Cryptography and PKI
- Technical requirements
- Understanding the need for cryptography
- Elements of cryptography
- Types of ciphers
- Substitution cipher
- Transposition cipher
- Understanding cryptanalysis
- Understanding the hashing process
- Describing hashing algorithms
- Lab – Comparing hashes
- Exploring symmetric encryption algorithms
- Symmetric algorithms
- Delving into asymmetric encryption algorithms
- Understanding PKI
- Components of PKI
- PKI trust system
- Lab – Observing the exchange of digital certificates
- Using cryptography in wireless security
- Summary
- Questions
- Further reading
- Section 3: Host and Network-Based Analysis
- Chapter 7: Delving into Endpoint Threat Analysis
- Technical requirements
- Understanding endpoint security technologies
- Anti-malware and antivirus
- Host-based firewall
- Host-based intrusion detection
- Application-level whitelisting/blacklisting
- Systems-based sandboxing
- Understanding Microsoft Windows components
- Processes, threads, and services
- The Windows paging file
- Windows registry
- Windows Management Instrumentation
- Monitoring tools
- Exploring Linux components
- Linux Terminal
- Viewing directories
- Log files
- Monitoring resources
- Summary
- Questions
- Further reading
- Chapter 8: Interpreting Endpoint Security
- Chapter 9: Exploring Computer Forensics
- Technical requirements
- Understanding the need for computer forensics
- Understanding the process of digital forensics
- Understanding the chain of custody
- Understanding volatility of evidence
- Understanding types of evidence
- Contrasting tampered and untampered disk images
- Lab – capturing a disk image on Linux
- Lab – using FTK Imager to capture a disk image on Microsoft Windows
- Tools commonly used during a forensics investigation
- Understanding the role of attribution in an investigation
- Summary
- Questions
- Further reading
- Chapter 10: Performing Intrusion Analysis
- Technical requirements
- Identifying intrusion events based on source technologies
- IDS/IPS
- Firewall
- Network application control
- Proxy logs
- Antivirus
- Elements of NetFlow and transactional data
- Stateful and deep packet firewall operations
- DPI firewall
- Stateful firewall
- Packet filtering
- Comparing inline traffic interrogation techniques
- Understanding impact and no impact on intrusion
- Protocol headers in intrusion analysis
- Ethernet frame
- IPv4 and IPv6
- TCP
- UDP
- ICMP
- SMTP
- HTTP and HTTPS
- ARP
- Packet analysis using a PCAP file and Wireshark
- Lab – packet analysis using Wireshark
- Summary
- Questions
- Further reading
- Section 4: Security Policies and Procedures
- Chapter 11: Security Management Techniques
- Technical requirements
- Identifying common artifact elements
- Interpreting basic regular expressions
- Lab – using regexes to find specific data values
- Understanding asset management
- Delving into configuration and mobile device management
- Exploring patch and vulnerability management
- Summary
- Questions
- Further reading
- Chapter 12: Dealing with Incident Response
- Chapter 13: Implementing Incident Handling
- Understanding the NIST SP 800-86 components
- Evidence collection order and volatility
- Data acquisition and integrity
- Sharing information using VERIS
- Exploring the Cyber Kill Chain
- Reconnaissance
- Weaponization
- Delivery
- Exploitation
- Installation
- Command and Control (C2)
- Actions on objectives
- Delving into the Diamond Model of Intrusion Analysis
- Identifying protected data in a network
- Personally Identifiable Information (PII)
- Personal Security Information (PSI)
- Protected Health Information (PHI)
- Intellectual property
- Summary
- Questions
- Further reading
- Chapter 14: Implementing Cisco Security Solutions
- Technical requirements
- Implementing AAA in a Cisco environment
- Part 1 – Configuring IP addresses on host devices
- Part 2 – Configuring RADIUS and TACACS+ services
- Part 3 – Configuring local AAA on the R1 router
- Part 4 – Configuring server-based AAA using RADIUS
- Part 5 – Configuring server-based AAA using TACACS+
- Part 6 – Verification
- Deploying a zone-based firewall
- Part 1 – Configuring IP addresses on PC 1 and the web server
- Part 2 – Enabling the security technology license on the HQ router
- Part 3 – Configuring IP addresses and routes on HQ and ISP routers
- Part 4 – Creating security zones
- Part 5 – Identifying traffic
- Part 6 – Creating a policy map to define the action of matching traffic
- Part 7 – Identifying the zone pair and match policy
- Part 8 – Assigning the security zones to the interface
- Part 9 – Verification
- Configuring an IPS
- Part 1 – Configuring IP addresses on end devices
- Part 2 – Enabling the security technology license on the HQ router
- Part 4 – Configuring the IPS signature storage location and rule on HQ
- Part 5 – Configuring the logging of IPS events
- Part 6 – Configuring IPS with signature categories
- Part 7 – Applying the IPS rule to an interface
- Part 8 – Creating an alert and dropping inbound ICMP Echo Reply packets
- Part 3 – Configuring IP addresses and routes on HQ and ISP routers
- Part 9 – Verification
- Summary
- Further reading
- Chapter 15: Working with Cisco Security Solutions
- Technical requirements
- Implementing secure protocols on Cisco devices
- Part 1 – Configuring IP addresses on host devices
- Part 2 – Configuring the Syslog and NTP servers
- Part 3 – Configuring hostnames, banners, and IP addresses on routers
- Part 4 – Configuring OSPFv2 routing with authentication
- Part 5 – Configuring NTP with authentication
- Part 6 – Configuring Syslog
- Part 7 – Implementing secure remote access using SSH
- Part 8 – Verification
- Deploying Layer 2 security controls
- Part 1 – Configuring end devices and the DHCP server
- Part 2 – Securing STP
- Part 3 – Configuring DHCP snooping with ARP inspection
- Part 4 – Verification
- Configuring a Cisco ASA firewall
- Part 1 – Configuring the ISP router and end devices
- Part 2 – Performing basic ASA configurations
- Part 3 – Configuring security zones and interfaces
- Part 4 – Assigning the physical interfaces to a security zone
- Part 5 – Configuring routing and NAT
- Part 6 – Configuring the Cisco MPF
- Part 7 – Configuring DHCP and remote access
- Part 8 – Configuring the DMZ
- Part 9 – Verification
- Summary
- Chapter 16: Real-World Implementation and Best Practices
- Technical requirements
- Implementing an open source SIEM tool
- Part 1 – Creating a virtual environment
- Part 2 – Installing OSSIM
- Part 3 – Getting started with AlienVault OSSIM
- Implementing tools to perform the active scanning of assets
- Part 1 – Setting up Kali Linux
- Part 2 – Acquiring and installing Nessus
- Part 3 – Performing a vulnerability scan
- Using open source breach and attack simulation tools
- Part 1 – Installing Infection Monkey
- Part 2 – Setting up C2
- Part 3 – Breach and attack reporting
- Implementing an open source honeypot platform
- Part 1 – Creating the virtual environment
- Part 2 – Installing the honeypot platform
- Part 3 – Initializing the honeypot and its applications
- Part 4 – Accessing the honeypot dashboard
- Summary
- Chapter 17: Mock Exam 1
- Chapter 18: Mock Exam 2
- Assessment
- Other Books You May Enjoy
This section will be begin by introducing the reader to the fundamentals of security, security deployment models, factors, key terminology that is important to a security analyst, principles of defense in depth in security, and various access control models.
This section contains the following chapters:
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