Security Analyst

Responsibilities:

·         Monitoring, triaging, processing, and escalating security events received from multiple services and log sources

·         Initial collection of evidence related to escalated security events

·         Collection of evidence related to compliance audits

·         Validation and regular review of processes and procedures

·         Identification, escalation, and follow up on of false positives

·         Routine audits of ACL and Security Lists

·         Process initial mitigation and containment procedures

·         Coordinate with service and operations teams to validate security events and anomalous activity

·         Identify and recommend security event suppression, adjustment, modification, and tuning based on daily monitoring

·         Document initial triage and escalation of security events and alerts

·         Provide daily reports of security events and alerts

·         Determine and report on possible cause of security events and alerts

·         Operate security tools for continual monitoring and analysis of system/network activity to identify malicious activity

·         Assist in the construction of security alerts and processes based on knowledge gained from daily monitoring and triage

·         Notify designated managers, and responders of suspected cyber incidents including the event's history, status, and potential impact

·         Monitor external data sources to maintain basic knowledge of threat conditions

·         Recognize a possible security violation and take appropriate action to escalate the incident, as required

Knowledge

·         Basic understanding of:

·         Computer networking concepts and protocols, and network security methodologies

·         Host/network access control mechanisms

·         Intrusion detection methodologies and techniques

·         How traffic flows across the network (TCP/IP, OSI, ITIL)

·         System and application security threats and vulnerabilities

·         Types of network communications (LAN, WAN, MAN, etc)

·         File extensions (.zip, .sh, .pcap, .bat, .dll, .py, etc)

·         Interpreted and compiled computer languages

·         Common attack vectors

·         Attack classes (passive, active, insider, distributed, etc)

·         Incident response and handling methodologies

·         Authentication, authorization, and access control methods

·         Information technology (IT) security principles and methods

·         Network traffic analysis methods

·         Operating systems

·         Cyber attackers

·         Defense-in-depth principles

·         System administration, network, and operating system hardening techniques

·         Cyber attack stages

·         Network security architecture concepts

·         Windows/Unix ports and services

·         Operating system command-line tools

·         Network protocols

·         Running knowledge of cyber threats and vulnerabilities

·         Understanding security events related to:

·         Operating system (Linux and Windows) logs

·         Database logs

·         VPN logs

·         Knowledge of adversarial tactics, techniques, and procedures

·         Understanding the use of the following:

·         Network tools (ping, traceroute, nmap, etc)

·         Host base tools (Tanium, basic Linux and Windows native tools)

·         SIEM (Splunk, ELK, Lumberjack, Splunk Enterprise Security, etc)

·         Understanding of cybersecurity and privacy principles and related organizational requirements

Skills

·         Detecting host and network based intrusions via intrusion detection technologies

·         Using protocol analyzers

·         Recognizing and categorizing types of vulnerabilities and associated attacks

·         Reading and interpreting signatures

·         Conducting trend analysis

·         Evaluating information for reliability, validity, and relevance

·         Identifying cyber threats which may jeopardize organization and/or partner interests

·         Preparing and communicating briefings

·         Providing analysis to aid writing phased after action reports

·         Using Boolean operators to construct simple and complex queries

·         Using multiple analytic tools, databases, and techniques

·         Using multiple search engines (e.g., Google, Yahoo, LexisNexis, DataStar) and tools in conducting open-source searches

·         Utilizing virtual collaborative workspaces and/or tools (Zoom, JIRA, Confluence, Oradocs, Slack, etc)

·         Performing packet-level analysis

·         Utilizing a SIEM to detect, research, and perform initial triage of security events

·         Exercising good judgement in escalating security events

Abilities

·         Think critically

·         Ability to think like threat actors

·         Apply techniques for detecting host and network-based intrusions using intrusion detection technologies

·         Interpret the information collected by network tools

·         Recommend analytic approaches or solutions to problems and situations for which information is incomplete or for which no precedent exists

·         Effectively collaborate with virtual and remote teams

·         Evaluate information for reliability, validity, and relevance

·         Exercise judgment when policies are not well-defined

·         Function effectively in a dynamic, fast-paced environment

·         Ability to function in a collaborative environment, seeking continuous consultation with other analysts and experts, both internal and external to the organization, to leverage analytical and technical expertise

·         Recognize and mitigate cognitive biases which may affect analysis.

Other Requirements and Expectations

·         Other tasks and duties as assigned

·         Work effectively within a remote team including effective, constant, and collaborative communication with all members of the NSGBU SOC

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