Cyber Defence Specialist

2 weeks ago


Belfast, United Kingdom TP ICAP Full time

Role Overview

TP ICAP is seeking a highly skilled Cyber Defence Specialist to lead its purple teaming function. As a key member of the Information Security team, you will be responsible for ensuring the firm is well positioned to prevent and detect modern cyber-attacks.

Key Responsibilities

  • Define and execute purple team sprints to improve TP ICAP's ability to prevent and detect modern attacks.
  • Simulate established and emerging attacker TTPs and build detection rules and response procedures.
  • Identify opportunities to reduce TP ICAP's attack surface using preventative controls.
  • Work with the Security Engineering team to support the deployment and tuning of security-related tooling.
  • Develop processes for attack surface monitoring and validation through automation.
  • Act as an escalation point for the SOC and assist with incident response.

Requirements

  • Practical experience emulating sophisticated cyber-attacks in a purple or red team capacity.
  • Deep understanding of modern attacker tools, techniques, and procedures.
  • Comfortable identifying telemetry sources to collect and building custom attack detection rules.

Desirable Skills

  • Active contributor to offensive security research and/or tooling.
  • Experience working with a SOC to tune rules, increase alert fidelity, and decrease alert fatigue.
  • Able to evade defensive controls such as EDR and AV.
  • Experience using Infrastructure-as-Code to support emulation activities.
  • Development experience in one or more programming languages, ideally including Python.


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