Network Security Analyst SOPs

This template contains Standard Operating Procedures (SOPs) for a Network Security Analyst, detailing critical processes for maintaining network security. It covers ten key SOPs, including monitoring network traffic, investigating security incidents, configuring firewalls, and managing endpoint security. Each SOP provides a structured approach with specific steps, focusing on purpose, scope, and actionable instructions to mitigate cyber threats effectively.

SOP 1 focuses on the continuous monitoring of network traffic to detect and respond to potential threats. It involves setting up monitoring tools, establishing baseline network behavior, and creating alerts for anomalies. The analyst is tasked with real-time monitoring, analyzing alerts, and isolating potential threats, followed by documenting findings and reporting to stakeholders. Regular reviews and refinements of monitoring strategies ensure adaptability to new threats.

SOP 2 details the investigation of security incidents, emphasizing a structured approach to minimize impact and prevent recurrence. It includes receiving and validating incident alerts, initiating incident response, and collecting evidence. Analysts must analyze the incident, isolate affected systems, and implement mitigation measures. Documentation, stakeholder notification, and post-incident reviews are crucial for continuous improvement.

SOP 3 outlines the configuration and management of firewalls to protect the network from unauthorized access. Key steps include understanding firewall requirements, configuring policies and Access Control Lists (ACLs), and testing configurations. Enabling logging and monitoring, implementing intrusion prevention, and maintaining firewall rules are essential for ongoing security. Performance monitoring and incident response related to firewalls are also included.

SOP 4 focuses on managing endpoint security to protect devices like workstations and laptops. It involves deploying endpoint protection tools, implementing access controls, and enforcing encryption standards. Analysts must enable endpoint monitoring, manage patching and updates, and secure applications. Responding to endpoint threats, educating users, and auditing security measures are critical for maintaining a secure endpoint environment.

SOP 5 details implementing and managing network access controls (NAC) to ensure only authorized access. It includes defining access policies, deploying NAC tools, and authenticating users and devices. Enforcing device compliance, segmenting the network, and monitoring access are essential. Responding to access violations, auditing controls, and managing guest access are also outlined, along with continuous improvement of access control policies.