Zero-Trust Application Security Service
Most cyber incidents don’t begin with a sophisticated breach — they begin when something untrusted is allowed to run. Our Zero-Trust Application Security Service eliminates this risk by enforcing a deny-by-default model across your environment. Delivered and managed by CyberStash, and powered by ThreatLocker, the service prevents ransomware, zero-day malware, and unauthorised software execution before impact — not after detection.
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Key Business Benefits of Zero-Trust Application Security
This service is designed to reduce cyber risk at the point where most attacks begin — execution. The benefits below focus on measurable risk reduction, operational resilience, and control.
Prevents Ransomware and Advanced Threats
Our Zero-Trust Application Security Service blocks unauthorised applications and behaviours before they can execute. By enforcing a deny-by-default model, ransomware, fileless malware, and zero-day threats are stopped at the source — eliminating entire attack paths rather than reacting after compromise.
Reduces Business Disruption and Incident Impact
By preventing attacks instead of detecting them mid-incident, the service dramatically reduces security events, emergency response activity, and unplanned downtime. Fewer incidents mean more stable operations, less disruption to staff and customers, and improved organisational resilience.
Strengthens Audit, Compliance, and Insurance Readiness
A Zero-Trust execution model provides clear, defensible evidence of control. Least-privilege enforcement, restricted application behaviour, and detailed audit visibility support regulatory requirements and demonstrate maturity to boards, auditors, and cyber insurers.
Delivers Strong Control Without Operational Friction
CyberStash designs, manages, and continuously tunes Zero-Trust policies around how your business actually operates. Application requests, changes, and optimisations are handled as part of the service — delivering enterprise-grade control without slowing teams down or adding management overhead.
Service Delivery Options
Every organisation has a different level of internal capability and appetite for operational ownership. Our service tiers allow you to choose the level of involvement that best fits your team — from deployment support to fully managed Zero-Trust enforcement.
Deployment Only
For organisations that want Zero-Trust enforced correctly from day one, but will manage it internally.
CyberStash designs and deploys the Zero-Trust Application Security platform, establishes the initial policies, and transitions the environment into enforcement. Your internal team then takes ownership of day-to-day operation.
Includes:
- Zero-Trust design aligned to your environment
- Platform deployment and initial configuration
- Learning mode setup and baseline policy creation
- Transition to enforcement
- Knowledge handover and documentation
Best suited for: Mature internal security teams with capacity to operate the platform.
Deploy & Co-Manage
For organisations that want expert oversight while retaining internal involvement.
CyberStash designs, deploys, and co-manages the service alongside your team. We handle policy tuning, application allow-listing, and ongoing optimisation, while your team retains visibility and application control and approvals.
Includes everything in Deployment, plus:
- Shared responsibility for application approvals
- Ongoing policy tuning and optimisation
- Advisory support for configuration changes
- Periodic health checks and posture reviews
Best suited for: Teams that want shared ownership without full operational burden.
Fully Managed Service
For organisations that want Zero-Trust outcomes without operational overhead.
CyberStash takes full responsibility for the ongoing operation of the service — from application approvals to continuous optimisation — acting as an extension of your security team.
Includes everything in Deploy & Co-Manage, plus:
- End-to-end application request handling
- Continuous monitoring and policy enforcement
- Regular health checks and risk reviews
- Ongoing optimisation as your environment evolves
- Direct support without internal escalation
Best suited for: Enterprises seeking strong control, minimal internal effort, and predictable outcomes.
Zero-Trust Capabilities We Enforce
Our Zero-Trust Application Security Service is powered by the ThreatLocker platform and delivered through a set of tightly integrated security controls. These capabilities work together to enforce Zero Trust at the point where attacks most commonly begin — execution.
CyberStash designs, configures, and manages these controls as part of the service.
Application Allowlisting
Every Request for Intelligence is reviewed and handled by experienced cyber threat analysts. Our team draws on live adversary tracking, active campaign monitoring, and dark-web intelligence to validate threats, assess intent, and provide insight grounded in real-world attacker behaviour—not automated noise.
Application Ringfencing
Even trusted applications are restricted to only what they are meant to do.
This prevents legitimate tools such as Office, browsers, or system utilities from being abused to launch scripts, access sensitive locations, or move laterally — a common technique in modern attacks.
Privilege Elevation Control
Users can perform approved administrative actions without being granted full administrator rights.
This enforces least-privilege access while maintaining productivity, reducing the risk of malware or misuse operating with elevated permissions.
Storage and Data Access Control
Access to removable media, network shares, and sensitive directories is tightly controlled.
This reduces the risk of data theft, unauthorised copying, and malware propagation via external storage, while maintaining visibility through audit logging.
Network Access Control
Inbound and outbound network connections are restricted to approved destinations, devices, and services.
This limits attack surface, prevents C&C and unauthorised lateral movement, and ensures systems only communicate where explicitly allowed.
Trusted and Certified to the Highest Standards
CyberStash is independently certified to ISO 27001 and SOC 2, proving our commitment to the highest standards of security, compliance, and trust.
Client Satisfaction
Zero-Trust Application Control Service – Prevent Unauthorised Execution
Most cyber incidents don’t start with a “break-in” — they start when something untrusted is allowed to run. CyberStash’s Zero-Trust Application Control Service (powered by ThreatLocker) prevents ransomware, fileless attacks, and unauthorised software by enforcing a deny-by-default model across your endpoints. Only approved applications and behaviours are allowed to execute.
This service is designed for enterprise environments that need stronger execution control without operational disruption. Whether you’re reducing ransomware exposure, locking down privileged actions, preventing misuse of trusted tools, or improving audit readiness, Zero-Trust application control gives you prevention-first security with clear accountability.
Prevention-First Security: Block What Doesn’t Belong
Traditional security tools often detect threats mid-incident. Zero Trust prevents them earlier by controlling execution. With CyberStash managing policy design, tuning, and oversight, your environment runs on approved software only — reducing attack surface and limiting the paths attackers use to deploy ransomware or abuse system tools.
Managed Service Delivery – Not Just Another Console
This is a fully delivered service, not a “self-managed platform” project. CyberStash designs the enforcement model, deploys controls safely, tunes policies to match real workflows, and provides ongoing operational support. When users request blocked applications, we review reputation, context, and risk before approving changes — keeping productivity high while preventing unsafe execution.
Modules We Enforce (Powered by ThreatLocker)
CyberStash configures and manages a complete Zero-Trust control stack to enforce execution control end-to-end:
Application Allowlisting: Only approved applications are allowed to run.
Application Behaviour Control: Restricts how approved applications can operate.
Privilege Elevation Control: Authorised elevation without granting admin access.
Storage & Data Access Control: Controls application access to files and storage.
Network Access Control: Restricts application network connectivity by policy.
Business Outcomes That Matter
CyberStash’s Zero-Trust Application Control Service is built for measurable risk reduction and operational confidence:
Prevents Ransomware and Advanced Threats: Blocks unauthorised execution before impact.
Reduces Disruption: Fewer incidents, fewer alerts, and less emergency response workload.
Improves Governance: Strong execution control supports audits, insurers, and compliance expectations.
Maintains Productivity: Fast approvals and continuous tuning reduce friction for users and IT teams.
Service Tiers
Choose the operating model that fits your internal capability and appetite for ownership:
Deploy Only: CyberStash designs and deploys Zero-Trust controls, then transitions ownership to your team.
Co-Managed: Shared responsibility, with CyberStash supporting approvals, tuning, and optimisation.
Fully Managed: End-to-end Zero-Trust application control operated entirely by CyberStash.