210-255 Verified 2026 Edition

210-255Practice Test

Master the Implementing Cisco Cybersecurity Operations (SECOPS) with the official PlanetCert Practice Test. Access real exam questions, professional-grade detailed explanations, and our advanced adaptive simulator. Pass your certification exam on the first attempt.

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Exam Information

Official specifications published by Cisco

Exam Format

90 min
60-70
Not publicly disclosed
Associate

Registration

$300 USD
Pearson VUE or online proctoring
English

Validity

3 years
Pass any current CCNA exam (except CCNA Cyber Ops); Pass any current CCNP concentration exam; Pass the CCIE lab exam

210-255 Exam Topics and Domains

210-255 is organized into 5 weighted domains. Expect to work with IPFIX, Cisco ASA, Cisco NetFlow, Firepower, and more.

1

Endpoint Threat Analysis and Computer Forensics

15%

Threat Analysis

CIA Triad: Confidentiality, Integrity, and AvailabilityThreat ModelingRisk Analysis and CVSSMalware Analysis
  • Apply knowledge of CIA triad to security scenarios
  • Perform threat modeling and attack vector analysis
  • Utilize CVSS for vulnerability assessment
  • Interpret malware analysis results

Digital Forensics

Evidence Collection and HandlingWindows ForensicsLinux Forensics
  • Collect and preserve digital evidence from various sources
  • Perform Windows system forensics
  • Conduct Linux system forensics
  • Maintain proper chain of custody
2

Network Intrusion Analysis

22%

Intrusion Analysis Fundamentals

Security Event Sources and ArtifactsAlert AnalysisRegular Expressions
  • Identify and classify security events
  • Differentiate between true/false positives and negatives
  • Apply regular expressions to security analysis

Packet Analysis

Packet Capture TechniquesProtocol Header Analysis
  • Perform packet capture and analysis
  • Examine protocol headers for intrusion analysis
  • Use Wireshark and TCPDump effectively

Security Device Data Analysis

Intrusion Detection SystemsFirewall and Security Appliance Logs
  • Analyze IDS/IPS alerts and signatures
  • Interpret security device logs
  • Correlate security device data for intrusion analysis

NetFlow for Cybersecurity

NetFlow FundamentalsNetFlow Versions and Flexible NetFlowNetFlow for Incident Response
  • Understand NetFlow fundamentals and versions
  • Use NetFlow for cybersecurity incident response
  • Analyze NetFlow data for anomaly detection
3

Incident Response

18%

Incident Response Fundamentals

Event vs. Incident DefinitionsIncident Response Plan and ProcessInformation Sharing and CoordinationIncident Response Team Structure
  • Differentiate between events and incidents
  • Execute incident response process phases
  • Coordinate information sharing effectively
  • Understand incident response team structure

Incident Response Teams

Computer Security Incident Response Teams (CSIRTs)Product Security Incident Response Teams (PSIRTs)Coordination Centers and National TeamsManaged Security Service Providers (MSSP)
  • Understand CSIRT structure and operations
  • Differentiate PSIRT from CSIRT functions
  • Coordinate with national and sector teams
  • Work effectively with MSSPs

Compliance Frameworks

PCI DSSHIPAASarbanes-Oxley (SOX)
  • Apply PCI DSS requirements to incident response
  • Understand HIPAA breach notification obligations
  • Recognize SOX compliance in security incidents

Network and Host Profiling

Network ProfilingHost Profiling
  • Create network and host behavior baselines
  • Identify deviations from normal behavior
  • Use profiling for incident detection
4

Data and Event Analysis

23%

Data Analysis Fundamentals

Data NormalizationUniversal Data Formats
  • Normalize data from diverse sources
  • Work with universal data formats
  • Aggregate log data effectively

Event Correlation

5-Tuple CorrelationRetrospective Analysis
  • Perform 5-tuple event correlation
  • Conduct retrospective security analysis
  • Correlate events across multiple sources

Specialized Log Analysis

DNS AnalysisWeb Log Analysis
  • Perform DNS log analysis for security threats
  • Analyze web server logs for attacks
  • Map threat intelligence to DNS activity

Analysis Methodologies

Deterministic vs. Probabilistic AnalysisSecurity Event Monitoring
  • Apply deterministic and probabilistic analysis
  • Perform effective security event monitoring
  • Utilize SIEM platforms for analysis
5

Incident Handling

22%

Intrusion Event Categories

Diamond Model of IntrusionCyber Kill Chain
  • Apply Diamond Model to intrusion analysis
  • Map incidents to Cyber Kill Chain phases
  • Identify defensive opportunities at each phase

Kill Chain Phase Details

ReconnaissanceWeaponizationDeliveryExploitationInstallationCommand and ControlActions on Objectives
  • Identify and mitigate reconnaissance activities
  • Detect and prevent exploitation attempts
  • Recognize and block C2 communications
  • Prevent attacker objectives achievement

VERIS Framework

VERIS Vocabulary and SchemaVERIS Application to Incident Handling
  • Apply VERIS framework to incident documentation
  • Use VERIS schema for standardized reporting
  • Categorize incidents using 4A's framework

How do I earn this certification?

Passing 210-255 earns the CCNA Cyber Ops (CyberOps Associate) certification. It sits in the Cybersecurity Operations track.

Current Level Exams
Next Level Options
  • 350-701 - SCORImplementing and Operating Cisco Security Core Technologies - core exam for CCNP Security
  • Various - CyberOps Professional Track Advanced cybersecurity operations certification path
Alternative Paths
  • 200-201 - CBROPSSingle exam path replacing the two-exam CCNA Cyber Ops certification • Current replacement exam that consolidates both 210-250 and 210-255
  • 350-701 - SCORTransition to CCNP Security track for broader security focus beyond operations
  • 300-715 - SISEComplementary security skills in identity services and Cisco ISE

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How to study for this exam?

Use the official PlanetCert Practice Test alongside the study plan below to prepare efficiently for 210-255.

What's changed on this exam?

Current Status
  • ACTIVE
  • Last content update: 2017-06-15
  • Announcement date: 2016-06-27
Updates
  • Wireshark 4.0+ Exam covers Wireshark 2.x/3.x, but newer versions maintain backwards compatibility • Release date: 2022-05-25
  • Snort 3.0 Exam primarily covers Snort 2.x, but rule syntax remains largely compatible • Release date: 2021-01-26
  • NetFlow v9 and IPFIX Exam covers NetFlow v5, v9, Flexible NetFlow, and IPFIX - all still relevant

Who should take this exam?

210-250 SECFND (Understanding Cisco Cybersecurity Fundamentals)
  • Understanding of TCP/IP networking and network architecture
  • Basic Windows and Linux operating system skills
  • Familiarity with security concepts and terminology
  • Experience with network monitoring and security tools

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