Skip to main content

BLOG

01
20 OCT 2026 JASON VAN DER SCHYFF

Building what's next: Arqit makes strategic investment in Sirius

ARQIT'S INVESTMENT LETS US ACCELERATE WORK ALREADY UNDERWAY AND BRING CRUX TO MORE DEFENCE, INTELLIGENCE AND GOVERNMENT CUSTOMERS.

NEWSARQIT
02
13 SEP 2026 JASON VAN DER SCHYFF

The network is a sensor

ENCRYPTED TRAFFIC STILL REVEALS MORE THAN MOST ORGANISATIONS REALISE.

SECURITYOPSEC
03
04 AUG 2026 JASON VAN DER SCHYFF

Securing a network that routes itself

A TUNNEL IS A LINK. A MESH IS A SHAPE. PUTTING ONE ON TOP OF THE OTHER RARELY LEAVES YOU WITH BOTH.

SECURITYMESH
04
14 JUL 2026 JASON VAN DER SCHYFF

Assurance does not travel

THREE ALLIED REGIMES, NO MUTUAL RECOGNITION, AND NOW NO COMMON DIRECTION EITHER.

SECURITYASSURANCE
05
15 JUN 2026 JASON VAN DER SCHYFF

Post-quantum security is a distribution problem

THE ALGORITHM QUESTION IS SETTLED. GETTING KEY MATERIAL TO ENDPOINTS AND REPLACING IT IS NOT.

SECURITYPQC
06
25 MAY 2026 JASON VAN DER SCHYFF

Attritable systems and the problem of trust

ATTRITABLE SYSTEMS ARE OFTEN FRAMED AS A COST QUESTION. THE HARDER PROBLEM IS THE COST OF TRUST.

SECURITYATTRITABLE
07
12 MAY 2026 JASON VAN DER SCHYFF

The limits of identity in uncertain environments

IDENTITY WAS DESIGNED FOR STABLE SYSTEMS. INCREASINGLY, THE ENVIRONMENTS WHERE IT MATTERS MOST ARE NOT STABLE AT ALL.

SECURITYIDENTITY
08
13 APR 2026 JASON VAN DER SCHYFF

Secure communications for dynamic teams

MOST SECURE COMMUNICATIONS SYSTEMS WERE DESIGNED FOR STABILITY. THE OPERATIONAL REALITY IS INCREASINGLY THE OPPOSITE.

SECURITYCOMMS

SIRIUS

SIRIUS COMPUTER, INC.
UEID: SVS1CBLKRRS5 | CAGE: 9ZFL3

SIRIUS COMPUTER GERMANY UG
VAT ID: DE457157284 | NCAGE: CNM71

SIRIUS COMPUTER UK LTD
NO: 17246324 | NCAGE: U2HY5

© 2026 ALL RIGHTS RESERVED.

CONTACT US PRIVACY POLICY SECURITY DISCLOSURE POLICY SUPPORT DOCUMENTATION NEWSLETTER X LinkedIn