Mike Byrne

Chief Financial Officer
Mike joined Bastion Security Group in September 2023. He brings over two decades of global finance experience.
Talk to an expert
Highlights

Career highlights

Developed and delivered a model for a new centralised organisational structure, ultimately deploying selected Finance functions at Credit Suisse to low cost locations. Led ACC's Finance function including business planning and budgeting of the annual ~$6bn spend. As Global Lead, delivered a redesigned process and technology solution for Credit Suisse's derivatives business within Finance. Seconded as ACC enterprise lead for the proposed NZ Income Insurance Scheme partnering with IR, MBIE and Treasury. His most recent role was as Head of Finance & Planning at ACC in Wellington and prior to that much of his career was spent at Credit Suisse, where he led the as a Director in the CFO Division . His international tenure included roles in Dublin, London, Hong Kong, Tokyo, Singapore and India, giving him a global perspective on finance. As Chartered Accountant since 2003, Mike is passionate about the role of Finance as a strategic partner—working closely with the businesses to drive informed decision-making and enhance financial performance.

Cyber security news

Latest advisories

Stay ahead of emerging threats with our expert blog posts, research, and industry updates.
Silverstripe - Cross-Site Scripting (XSS) Vulnerability
A Cross-Site Scripting (XSS) vulnerability has been identified in the administrator panel of Silverstripe CMS, specifically in the handling of the user input within the form messages module.
Silverstripe - Host Header Injection
A Host header injection vulnerability in Silverstripe has been identified that allows an attacker to poison the password rese
Statamic CMS
Sam Schroder found a local file inclusion (write only) vulnerability inside of the upload functionality of Statamic CMS. This affects front end components like forms with `assets` fields.
Discover our services

We have the tools to pinpoint risks

Whether it’s hidden vulnerabilities or patterns you might miss, we help you stay one step ahead and make confident, informed decisions. Understand how our services can help your business uncover critical risks

Talk to an expert
Employee Cyber Training & Awareness
Your people are your first line of defence. Our cyber training builds awareness and sharpens their instincts.
Advisory
When clarity is critical and stakes are high, our advisory services deliver strategic, executive-level security expertise that empowers decision-making.