Theo Nassiokas
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Theo Nassiokas Email & Phone Number

Founder and Principal Consultant at Let's Go Cyber
Location: Melbourne, Victoria, Australia 21 work roles 5 schools
1 work email found @anz.com 2 phones found area 139 and 816 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email t****@anz.com
Direct phone (139) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Founder and Principal Consultant
Location
Melbourne, Victoria, Australia
Company size

Who is Theo Nassiokas? Overview

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Quick answer

Theo Nassiokas is listed as Founder and Principal Consultant at Let's Go Cyber, a company with 1 employees, based in Melbourne, Victoria, Australia. AeroLeads shows a work email signal at anz.com, phone signal with area code 139, 816, and a matched LinkedIn profile for Theo Nassiokas.

Theo Nassiokas previously worked as Co-Founder and President at Cyber8Lab and Assistant Commissioner, Cyber Governance at Australian Taxation Office. Theo Nassiokas holds Master Of Business Administration (Mba), Technology Management from La Trobe University.

Company email context

Email format at Let's Go Cyber

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{first}.{last}@anz.com
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AeroLeads found 1 current-domain work email signal for Theo Nassiokas. Compare company email patterns before reaching out.

Profile bio

About Theo Nassiokas

Brief BioA seasoned professional with a 30+ year career spanning law enforcement & criminal intelligence, protective security, and cyber & information security strategy, policy, governance risk & compliance in global financial services, consulting to Victorian Government and energy sectors, and the Australian Government, educating and advising risk committees, senior executives and boards across industry and government on security and intelligence matters.Management ConsultingTheo Nassiokas is the Founder and Principal Consultant of Let’s Go Cyber, and Co-Founder and President of Cyber8Lab. He has advised executives, committees and boards in industry and government on security and intelligence matters globally, including Australia, Singapore, India, Malaysia, Hong Kong, Vietnam, Thailand, Cambodia, Philippines, Japan, UAE and UK. Theo’s passion is explaining complex technical concepts by using plain, layperson’s English to contextualise explanations to client businesses.Australian GovernmentA member of the Australian Government's Senior Executive Service (SES) at the Australian Taxation Office (ATO) as Assistant Commissioner, Cyber Governance, Theo led a branch of 120, delivering cyber security GRC (governance, risk & compliance), including vendor assurance, PSPF (Protective Security Policy Framework) assessments, risk assessments, IRAP (Information Security Registered Assessors Program) certifications, scams monitoring & intelligence, security architecture, strategic sourcing, policy & advice, and program governance.Financial ServicesA cyber & information security and technology risk leader with 23-year pedigree in Australian and global financial services organisations, based in Australia and abroad, building multijurisdictional and multicultural teams, with a passion for explaining the business impact of cyber and technology risk by contextualising it to business objectives, linking risks to deficient controls, aligning capability to regulatory obligations, and devising risk mitigation and resilience strategies.Education and CertificationsTheo holds an MBA (Tech Mgt) from La Trobe University awarded in 2006, and is one of 18 an inaugural Fellows of the Australian Information Security Association (FAISA), Australia's leading information security industry body, exemplifying leadership in cyber and information security. Prior certifications include Certified Protection Professional (CPP) from ASIS International, held from 2000 to 2021 (resigned) and Certified Information Security Manager (CISM) from ISACA, held from 2007 to 2020 (resigned).

Listed skills include Risk Management, It Audit, Information Security, Business Continuity, and 13 others.

Current workplace

Theo Nassiokas's current company

Company context helps verify the profile and gives searchers a useful next step.

Let's Go Cyber
Let'S Go Cyber
Founder and Principal Consultant
Melbourne, VIC, AU
Website
Employees
1
AeroLeads page
21 roles

Theo Nassiokas work experience

A career timeline built from the work history available for this profile.

Co-Founder And President

Current

Joondalup, Western Australia, AU

  • Theo Nassiokas is the Co-Founder and President of Cyber8Lab Pty Ltd (Australia) and Cyber8Lab (Malaysia) Sdn Bhd. Theo joins Cyber8Lab to drive the business strategy in Asia Pacific by adding cyber GRC (governance.
  • Cyber and Forensic Investigations
  • Risk Assessment and Recommendations
  • Privacy, including Breach Management
  • Security Incident Management
  • Insider Threat and Threat Hunting
Jul 2024 - Present

Founder And Principal Consultant

Current

Surry Hills, New South Wales, AU

Theo Nassiokas is the Founder and Principal Consultant of Let’s Go Cyber, and a seasoned security professional with a 30+ year career in law enforcement & criminal intelligence, protective security, financial services, government, and consulting. Theo has educated and advised committees, executives and boards in industry and government on security and.

Jul 2022 - Present

Assistant Commissioner, Cyber Governance

Canberra, ACT, AU

The cyber security capability at the Australian Taxation Office (ATO) is part of Enterprise Services & Technology (EST), and is made up of two branches being Cyber Governance, responsible for risk-based cyber security assessments & advisory, and Cyber Operations, responsible for threat-based cyber security monitoring & response, with both branches.

Apr 2023 - Jul 2024

Career Transition

Career Break

Having successfully performed the Head of Business Controls & Monitoring, Group Technology role at Westpac for over 2-years, I decided to transition back to cyber and information security taking the time to plan and commence a consulting and services company.

May 2022 - Jun 2022

Head Of Business Controls & Monitoring, Group Technology

Sydney, New South Wales, AU

Leading the line-1 tech risk capability initially for the Business and Specialist Businesses Divisions, and from April 2021 for Specialist Businesses Division (SBD), Group Business Units (GBU) and Group Operations.Reporting to CIO Risk Forums, CIO Monthly Operational Review (MOR) meetings, Superannuation, Funds, and Insurance Boards, and the Business and.

Feb 2020 - Apr 2022

Relocation

Career Break

Having successfully performed the Director, APAC Cyber & Information Security (CISO) role at Barclays for over 2-years and given the role was relocated from Singapore to Pune India, I took the opportunity to play golf and travel prior to repatriating back home to Australia.

Nov 2019 - Jan 2020

Director, Apac Cyber & Information Security (Ciso)

London, GB

Chief Information Security Officer (CISO) for the Asia Pacific (APAC) region at Barclays, supporting the International business and representing Barclays to all financial services regulators, other agencies and partners regarding cyber and information security matters.Influencing the global cyber security strategy to consider Asia Pacific (APAC) regulatory.

Jul 2017 - Oct 2019

Head, Tis, Techops/Cnc & Eus, Unit Operational Risk Management (Uorm)

London, England, GB

Portfolio:Technology Information Security (TIS), Technology Operations and Collective Intelligence & Command Centre (TechOps/CnC), and End User Services (EUS).Embed the 1st line-of-defence ORM (Operational Risk Management) teams into their new structures to guide and support the audit and risk management capability within the TIS, TechOps/CnC and EUS.

Feb 2017 - Jun 2017

Head, Risk & Control, Tech Delivery And Technology Information Security (Tis)

London, England, GB

Managing risk and compliance globally of Technology Delivery and Technology Information Security (TIS) at Standard Chartered Bank, responsible for:- Guiding strategic programs through a complex regulatory landscape- Managing internal, external and regulatory audit issues, actions and risks- Leading Controls Adequacy Reviews (CAR) across Tech Delivery and.

May 2016 - Jan 2017

Head Of Information Security & Technology Risk - International & Institutional Banking (Iib)

Anz

Melbourne, Victoria, AU

Senior information security and technology risk assessments and advisory re:- Regulatory compliance and impact- Transformation, change & integration strategy- Merger & Acquisition activity- Geopolitical and country infrastructure risk- Disaster recovery and business continuityReporting information security and technology risks to the IIB Division Chief.

Oct 2010 - Apr 2016

Vp, Apac Regional Head - Risk, Audit & Regulatory, Global Technology - Capital Markets

Frankfurt Am Main, Hessen, DE

- Risk & compliance reporting to senior committees- Risk advisory re: information systems, applications & processes- Primary Regulatory Contact for legal & compliance matters- Primary Audit Contact for internal, external & regulatory audits- Audit and audit issues reporting to senior management- Training and Awareness re: risk, audit and regulatory.

Apr 2009 - Oct 2010

Vp, Senior Investigations Manager, Group Audit

Frankfurt Am Main, Hessen, DE

- Lead Internal Investigations on behalf of Regional Management- Assist to establish a new APAC forensics capability- Grow and lead the investigations team in Singapore- Undertake and oversee APAC forensic investigations- Prepare reports and feedback to executive management

May 2008 - Apr 2009

Head Of Risk & Compliance, Information Security

Sydney, NSW, AU

Information Security: - Risk Strategy & Planning;- Policy Administration & Compliance Reporting;- Regulatory Advisory;- Government Liaison; and - Operational & Strategic Risk Management.

Apr 2007 - May 2008

Head Of Strategy & Governance, Information Security

Sydney, NSW, AU

Information Security:- Operations Strategy & Planning;- Government Security Liaison;- Policy & Compliance Reporting; - Communications & Awareness; and- Access Control Advisory & Reporting.

Jul 2003 - Apr 2007

Team Leader - Security Compliance

Melbourne, Victoria, AU

Global DR Capability Board Reporting; andFinancial Services Australia Technology:- Regulatory Compliance Reporting;- SOE & Policy Compliance Reporting; and- Incident and Vulnerability Management.

Jul 2002 - Jun 2003

Information Risk Manager

Anz

Melbourne, Victoria, AU

- Manage IS system and IT project security assessments- Deliver senior management information security risk briefings- Provide information security risk and policy development advice- Conduct internal and external third party security site assessments- Assess third party security policy and service level agreements- Research the latest security trends and.

May 2001 - Jul 2002

Business Security Analyst

Anz

Melbourne, Victoria, AU

- Conduct security risk assessments of IT systems and projects- Identify information security risk- Recommend security risk counter-measures- Assess requests to deviate from information security policy

May 2000 - May 2001

Managing Director

Synectic Synthesis Pty Ltd

- Conduct operational, procedural and legal research in the evolving fields of security and risk management- Manufacture and develop educational resources to meet competency based Australian Quality Training Framework (AQTF) and client requirements- Manage projects, including the provision of risk assessment & management, and skills analysis & audit.

Dec 1997 - May 2000

Senior Constable (District Intelligence Officer)

Melbourne, Victoria, AU

- Intelligence gathering, analysis and reporting, using an inference based methodology. Analyse crime statistics & data to identify crime trends and produce activity reports

Sep 1996 - Mar 1997

Detective/Constable

Melbourne, Victoria, AU

- Operational police general duties were undertaken at a number of police stations- Operational police investigative duties were undertaken on secondment to the Preston Criminal Investigation Branch, Bureau of Criminal Intelligence and the Drug Squad

Oct 1991 - Sep 1996
5 education records

Theo Nassiokas education

Master Of Business Administration (Mba), Technology Management

La Trobe University

Security Risk Management Course No.2 - 2002; Information Technology Security Course No.5 - 2000, Physical And It Security Management

Australian Government - Attorney-General'S Department

Diploma, Security Management

Kangan Institute

Certificate Iv, Workplace Training & Assessment

University Of Melbourne

Certificate Of Business Studies, Accounting

Swinburne University Of Technology
FAQ

Frequently asked questions about Theo Nassiokas

Quick answers generated from the profile data available on this page.

What company does Theo Nassiokas work for?

Theo Nassiokas works for Let's Go Cyber.

What is Theo Nassiokas's role at Let's Go Cyber?

Theo Nassiokas is listed as Founder and Principal Consultant at Let's Go Cyber.

What is Theo Nassiokas's email address?

AeroLeads has found 1 work email signal at @anz.com for Theo Nassiokas at Let's Go Cyber.

What is Theo Nassiokas's phone number?

AeroLeads has found 2 phone signal(s) with area code 139, 816 for Theo Nassiokas at Let's Go Cyber.

Where is Theo Nassiokas based?

Theo Nassiokas is based in Melbourne, Victoria, Australia while working with Let's Go Cyber.

What companies has Theo Nassiokas worked for?

Theo Nassiokas has worked for Let'S Go Cyber, Cyber8Lab, Australian Taxation Office, Career Break, and Westpac Group.

How can I contact Theo Nassiokas?

You can use AeroLeads to view verified contact signals for Theo Nassiokas at Let's Go Cyber, including work email, phone, and LinkedIn data when available.

What schools did Theo Nassiokas attend?

Theo Nassiokas holds Master Of Business Administration (Mba), Technology Management from La Trobe University.

What skills is Theo Nassiokas known for?

Theo Nassiokas is listed with skills including Risk Management, It Audit, Information Security, Business Continuity, Information Security Management, Governance, Management, and Strategy.

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