Jack

Jack: Email & Phone Number

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Co-Founder at Aegis|Australia

Position:

Co-Founder at Aegis

Location:

Australia

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Last updated: 2026-10-15
Updated: 2026-10-15

Found email addresses for Jack:

Business emails:
Personal emails:
j***@gmail.com,
j***@outlook.com

Found phones for Jack:

+61-466-***-*51,
+61-428-***-*01,
+61-400-***-*95

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Current work details
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Work Experience 9 years

Co-Founder at Aegis

Oct 2025 - Current

Principal Incident Response at Grant Thornton Australia

Mar 2023 - Sep 2025

Cyber Investigations Manager at Grant Thornton UK

Apr 2020 - Mar 2023

Cyber Investigations Executive at Grant Thornton UK

Oct 2018 - Apr 2020

Cyber Investigations Associate at Grant Thornton UK

Jan 2017 - Oct 2018

Jack started working in 2017, then the employee has changed 2 companies and 4 jobs. On average, Jack works for one company for 1 year 11 months.

Jack is proficient in English and Spanish. Their professional focus is Cyber, Cyber Defense, and Cybersecurity across 3 core areas.

Jack holds SEC495: Leveraging LLMs: Building & Securing RAG, Contextual RAG, and Agentic RAG, SEC554: Blockchain and Smart Contract Security, and GIAC Penetration Tester (GPEN) certifications.

Education

Bachelor’s Degree at Sheffield Hallam University

Frequently Asked Questions

SignalHire found verified email addresses for Jack, both business and personal. Their business email is j*************d@uk.gt.com, and personal emails include j***@live.com, j***@gmail.com, and j***@outlook.com.
SignalHire found multiple verified phone numbers for Jack: +61-433-***-*22, +61-466-***-*51, and +61-428-***-*01.
You can reach Jack through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.
Jack has 9 years of professional experience. They have held roles including Principal Incident Response, Cyber Investigations Manager, and Cyber Investigations Executive at companies such as Grant Thornton Australia, Grant Thornton UK, and Grant Thornton UK. Their education includes Bachelor’s Degree from Sheffield Hallam University.
Yes. Jack's SignalHire profile was last updated on 15 October 2026, reflecting their current position as Co-Founder at Aegis in Seattle, WA, United States.

Jack Namesakes

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Company
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Jack Halstead
KFN Accounting & Financial, LLC
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Jack Halstead
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