Cybersecurity, AI security and compliance advisory
Practical security, AI risk and compliance work for businesses that need results.
Sirius Enterprises Limited helps organizations assess exposure, secure operations, govern AI adoption and prepare audit-ready evidence with practical technical depth.
Operating model
Assess. Secure. Govern. Evidence.
Assurance compass
Four outcomes that define a stronger security posture.
Know which systems, vendors and workflows create real exposure.
Make controls, response plans and recovery paths usable under pressure.
Govern AI adoption without slowing down responsible experimentation.
Turn technical work into reports, control notes and decision records.
What changes for organizations
Security decisions are now board, customer and regulator conversations.
Organizations are being asked to prove cyber maturity, data protection, AI governance and incident readiness. Sirius turns that pressure into a practical work plan.
We combine hands-on testing with compliance mapping, so findings become prioritized fixes, reusable evidence and clearer management decisions.
Core services
Three workstreams, one operating view.
Start with the most urgent risk, then build a repeatable security and compliance rhythm.
Cybersecurity
Security testing, managed controls, cloud hardening, identity review, incident response and training for day-to-day business systems.
- Penetration testing and vulnerability assessment
- Cloud, network and infrastructure security
- Incident response and disaster recovery
AI Security
Advisory and testing for teams adopting AI tools, building LLM applications or introducing automation into sensitive workflows.
- AI risk assessment and governance controls
- LLM application security and AI penetration testing
- Model, data and vendor risk review
Audit & Compliance
Gap assessments, policy evidence, control mapping and remediation support for international frameworks and local obligations where applicable.
- ISO 27001, SOC 2, PCI DSS, NIST CSF and CIS Controls
- PDPO / PCPD privacy and data protection support
- HKMA, SFC and critical infrastructure alignment where relevant
Service catalogue
Specialist coverage across security, AI and assurance.
Cyber Strategy & Consulting
Translate business risk into a staged security roadmap.
Governance, Risk & Compliance
Turn control requirements into policies, evidence and action owners.
Security Testing & Assurance
Validate systems before attackers, customers or auditors do.
Identity & Access Management
Review accounts, privilege, MFA and administrative access paths.
Cloud Security & Solutions
Secure cloud services, data flows and operational configurations.
Managed Security Services
Provide ongoing security expertise without building a full internal team.
Digital Forensics & Incident Response
Prepare, investigate and recover with clear evidence handling.
Cyber Capability & Training
Build practical awareness and response habits across the organisation.
How we work
A clear path from uncertainty to evidence-backed action.
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01
Assess
Clarify assets, vendors, users, AI usage, audit pressure and likely threat paths.
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02
Secure
Turn assessment findings into controls, response plans and recovery improvements.
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03
Govern
Assign ownership, policy expectations and AI or compliance control responsibilities.
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04
Evidence
Package reports, control notes and management-ready decision records for follow-up.
Client perspectives
Practical work that leaders can act on.
Sirius helped us separate urgent exposure from background noise, then turned the findings into a remediation plan our IT and management teams could actually run.
Operations leader, services company
The AI review gave us a clear governance baseline before adoption accelerated. We left with usable rules, risk checkpoints and vendor questions.
Technology lead, digital business
Sirius helped us translate critical infrastructure expectations into practical controls, accountable owners and evidence we could maintain under operational pressure.
Risk lead, critical infrastructure operator
Framework-aware, not framework-heavy
Compliance support that starts with the obligations that actually apply.
Start with a focused review
Tell us what needs to be secured, tested or prepared for audit.
Share a short brief and Sirius will respond with a suggested first step. Contact details below are placeholders until production information is supplied.
- enquiry@siriusenterprises.io
- Phone
- +852 8483 5947
- Address
- Unit 1806, 18/F., 9 Wing Hong Street, Cheung Sha Wan, Kowloon, Hong Kong