Welcome to Cythera, a Bastion Security Group Company (Formerly Astralas)

Astralas is now part of Bastion Security Group, bringing together decades of cybersecurity expertise under one trusted brand for Australian organisations and government.

The specialist cybersecurity services you relied on, including security architecture, identity and access management (IAM) and cloud security consulting, continue to be delivered by the same experienced practitioners, now backed by the broader capabilities and resources of Cythera, a Bastion Security Group company.

This merger strengthens our ability to protect Australia against evolving threats, offering a more comprehensive and integrated security portfolio without compromising the specialist-led approach Astralas was known for. Whether you're an existing Astralas client or exploring what these services can do for your business, you'll find the same commitment to quality and rigour, now with greater depth behind it.