Enterprise Security Standards for AI Systems

Security Isn't an Afterthought-It's Our Foundation

AI introduces new attack vectors, new privacy concerns, and new compliance challenges. We've spent 30 years building mission-critical systems that handle sensitive data-financial transactions, medical records, personal information. We know that security can't be bolted on after the fact. It must be designed in from the beginning.

Our Security Philosophy:

  • Security is never compromised for convenience
  • Privacy by design, not as an add-on
  • Defence in depth with multiple security layers
  • Compliance built into architecture, not patched in later
  • Transparency about security practices and limitations
  • Regular audits and continuous improvement

When you work with Glusoft, security isn't a checkbox-it's the foundation everything else is built upon.


Table of Contents

  1. Our Five-Layer Security Architecture
  2. Data Security
  3. Model Security
  4. Infrastructure Security
  5. Application Security
  6. Operational Security
  7. Compliance & Standards
  8. Privacy-First AI
  9. Self-Hosted & Data Sovereignty
  10. Security Audits & Penetration Testing

Our Five-Layer Security Architecture

We implement security across five distinct layers, ensuring defence in depth. If one layer is compromised, the others continue to protect your data and systems.

Layer 1: Data Security

Protecting data at rest, in transit, and during processing

Layer 2: Model Security

Securing AI models from manipulation, theft, and adversarial attacks

Layer 3: Infrastructure Security

Hardening the underlying infrastructure-networks, servers, cloud platforms

Layer 4: Application Security

Securing the applications and APIs that interact with AI systems

Layer 5: Operational Security

Processes, policies, and people-the human element of security

Each layer is detailed below.


1. Data Security

Encryption Everywhere

Data at Rest:

  • AES-256 encryption for all stored data
  • Encrypted databases (transparent data encryption)
  • Encrypted file systems
  • Hardware security modules (HSMs) for key management
  • Separate encryption keys per client/tenant
  • Regular key rotation policies

Data in Transit:

  • TLS 1.3 for all network communications
  • Certificate pinning for mobile applications
  • VPN connections for site-to-site communication
  • End-to-end encryption for sensitive messaging
  • No unencrypted data transmission, ever

Data in Use:

  • Memory encryption for processing sensitive data
  • Secure enclaves for cryptographic operations
  • Confidential computing options (Intel SGX, AMD SEV)
  • Data masking for non-production environments

Access Control & Permissions

Identity & Access Management:

  • Role-based access control (RBAC)
  • Attribute-based access control (ABAC) for complex scenarios
  • Principle of least privilege-users get minimum necessary access
  • Regular access reviews and revocation
  • Just-in-time access for privileged operations

Multi-Factor Authentication:

  • MFA required for all administrative access
  • Support for TOTP, SMS, hardware tokens (YubiKey)
  • Biometric authentication options
  • Context-aware authentication (location, device, time)

Fine-Grained Data Access:

  • Row-level security in databases
  • Field-level permissions for sensitive data (e.g., SSN, medical records)
  • Data classification and labelling
  • Dynamic data masking for unauthorized viewers

Data Protection

Data Anonymisation & Pseudonymisation:

  • PII removal or masking
  • K-anonymity techniques for data sharing
  • Differential privacy for analytics
  • Tokenisation for sensitive identifiers
  • Hash-based pseudonymisation

Data Loss Prevention (DLP):

  • Detection of sensitive data in transit
  • Prevention of unauthorized data exfiltration
  • Content inspection and filtering
  • Policy-based data movement restrictions

Secure Data Deletion:

  • Cryptographic erasure (destroy encryption keys)
  • Physical destruction for end-of-life media
  • Compliance with data retention policies
  • Audit trails of deletion activities

Audit Logging

Comprehensive Logging:

  • All data access logged with timestamps, user, action
  • Immutable audit logs (write-once, tamper-evident)
  • Long-term log retention for compliance
  • Real-time alerting on suspicious access patterns

What We Log:

  • User authentication and authorisation events
  • Data access (read, write, delete)
  • Configuration changes
  • Administrative actions
  • Failed access attempts
  • API calls with request/response details

2. Model Security

AI models introduce unique security challenges. We protect models from theft, manipulation, and adversarial attacks.

Model Access Control

Protecting Model IP:

  • Models stored encrypted at rest
  • Access controls on model files and weights
  • Model versioning and access tracking
  • Watermarking for model provenance
  • Secure model serving APIs

API Security:

  • Authentication required for all model inference
  • Rate limiting to prevent abuse
  • API key rotation policies
  • Request throttling and quotas
  • Monitoring for unusual usage patterns

Input Validation & Sanitisation

Preventing Malicious Inputs:

  • Input validation against expected schemas
  • Sanitisation of user-provided data
  • Size limits and format restrictions
  • Detection of adversarial examples
  • Fuzzing and robustness testing

Prompt Injection Protection:

  • Prompt sanitisation and filtering
  • Detection of injection attempts
  • Structured prompts with clear boundaries
  • Output validation before displaying to users
  • Monitoring for prompt manipulation patterns

Output Filtering & Guardrails

Safe Outputs:

  • Content filtering for harmful outputs
  • PII detection and masking in responses
  • Hate speech and toxicity filtering
  • Fact-checking and grounding in approved sources
  • Confidence thresholds for uncertain outputs

Guardrails:

  • Topic restrictions (prevent off-topic responses)
  • Action limitations (prevent dangerous instructions)
  • Explanation requirements for sensitive decisions
  • Human-in-the-loop for high-risk outputs

Model Versioning & Rollback

Change Management:

  • All model updates version-controlled
  • A/B testing before full deployment
  • Gradual rollout with canary deployments
  • Instant rollback capability
  • Audit trail of all model changes

Adversarial Robustness

Protection from Attacks:

  • Adversarial training to improve robustness
  • Detection of adversarial examples
  • Model hardening techniques
  • Regular testing against known attacks
  • Monitoring for model drift and degradation

3. Infrastructure Security

Network Security

Network Segmentation:

  • Separate networks for different security zones
  • Private subnets for sensitive data processing
  • DMZ for public-facing services
  • No direct internet access for backend systems
  • Jump hosts for administrative access

Firewall & Intrusion Detection:

  • Web application firewalls (WAF) for all public endpoints
  • Next-generation firewalls with deep packet inspection
  • Intrusion detection systems (IDS)
  • Intrusion prevention systems (IPS)
  • DDoS protection and mitigation

Secure Communication:

  • Private network links between components
  • VPN for remote access
  • Zero-trust network architecture
  • Service mesh for microservices communication
  • mTLS (mutual TLS) for service-to-service auth

Server & Container Security

Hardening:

  • Minimal base images (Alpine, distroless)
  • Regular patching and updates
  • Disabled unnecessary services and ports
  • Security-focused configurations
  • Host-based intrusion detection

Container Security:

  • Container image scanning for vulnerabilities
  • Signed and verified images only
  • Runtime security monitoring
  • Resource limits and isolation
  • Immutable infrastructure (no manual changes)

Secrets Management:

  • No secrets in code or configuration files
  • Centralized secrets management (HashiCorp Vault, AWS Secrets Manager)
  • Automatic secret rotation
  • Ephemeral credentials where possible
  • Audit trail of secret access

Cloud Security

AWS Security:

  • IAM roles with least privilege
  • Security groups and network ACLs
  • VPC isolation
  • GuardDuty for threat detection
  • Config for compliance monitoring
  • CloudTrail for audit logging

Azure Security:

  • Azure AD with conditional access
  • Network security groups
  • Private endpoints for services
  • Security Centre for monitoring
  • Key Vault for secrets
  • Defender for threat protection

Multi-Cloud & Hybrid:

  • Consistent security policies across environments
  • Centralised security monitoring
  • Unified identity management
  • Secure inter-cloud communication

Vulnerability Management

Regular Scanning:

  • Automated vulnerability scanning of infrastructure
  • Dependency scanning for libraries and frameworks
  • Container image scanning
  • Infrastructure-as-code security scanning
  • Prioritised remediation based on risk

Patch Management:

  • Regular security updates
  • Automated patching where safe
  • Emergency patching procedures for critical vulnerabilities
  • Testing before production deployment

4. Application Security

Secure Development Lifecycle

Security from Design:

  • Threat modelling during architecture phase
  • Security requirements alongside functional requirements
  • Security review of design documents
  • Privacy impact assessments

Secure Coding Practices:

  • OWASP Top 10 awareness and prevention
  • Input validation and output encoding
  • Parameterised queries (no SQL injection)
  • Protection against XSS, CSRF, injection attacks
  • Secure session management
  • Error handling without information disclosure

Code Review:

  • Mandatory peer review for all code
  • Security-focused reviews by senior engineers
  • Automated code scanning in CI/CD
  • Static Application Security Testing (SAST)
  • Secrets detection in commits

Authentication & Authorisation

Strong Authentication:

  • Multi-factor authentication support
  • Integration with enterprise identity providers (Google Workspace, Microsoft Entra ID, Okta)
  • Single sign-on (SSO) for user convenience with security
  • Session management with secure cookies
  • Protection against session fixation and hijacking

OAuth 2.0 & OpenID Connect:

  • Industry-standard authentication protocols
  • Secure token handling
  • Refresh token rotation
  • Scope-based authorisation

API Security:

  • API key authentication
  • JWT-based authorisation
  • Rate limiting and throttling
  • CORS policies
  • API versioning for backward compatibility

Input Validation & Output Encoding

Never Trust User Input:

  • Whitelist validation (allow known good, not just block known bad)
  • Type checking and range validation
  • Length limits
  • Format validation (email, phone, etc.)
  • Sanitisation of special characters

Output Encoding:

  • Context-aware encoding (HTML, JavaScript, URL, SQL)
  • Prevention of injection attacks
  • Safe rendering of user content

Dependency Management

Third-Party Libraries:

  • Regular updates to latest secure versions
  • Vulnerability scanning of dependencies
  • License compliance checking
  • Minimal dependencies (reduce attack surface)
  • Pinned versions with controlled updates

Rate Limiting & Abuse Prevention

Protecting Against Abuse:

  • Per-user rate limits
  • Per-IP rate limits
  • Graduated throttling for suspicious behaviour
  • CAPTCHA for suspicious traffic
  • Bot detection and blocking

5. Operational Security

Security Monitoring & Alerting

24/7 Monitoring:

  • Security Information and Event Management (SIEM)
  • Real-time alerting for security events
  • Log aggregation and analysis
  • Anomaly detection using ML
  • Dashboards for security posture

What We Monitor:

  • Failed authentication attempts
  • Unusual data access patterns
  • Infrastructure changes
  • Performance degradation (possible DoS)
  • Application errors and exceptions
  • Model inference patterns

Incident Response

Prepared for the Worst:

  • Documented incident response procedures
  • Incident response team and escalation paths
  • Communication plans for stakeholders
  • Regular tabletop exercises and drills
  • Post-incident review and learning

Response Capabilities:

  • Rapid containment of incidents
  • Forensic investigation
  • Communication with affected parties
  • Regulatory notification where required
  • Remediation and prevention of recurrence

Business Continuity & Disaster Recovery

High Availability:

  • Multi-region deployments
  • Load balancing and failover
  • Database replication
  • Auto-scaling for resilience

Backup & Recovery:

  • Regular automated backups
  • Encrypted backups
  • Off-site backup storage
  • Tested restore procedures
  • Recovery Time Objective (RTO) and Recovery Point Objective (RPO) defined

Access Management

Privileged Access:

  • Separate privileged accounts
  • Just-in-time privileged access
  • Approval workflows for sensitive operations
  • Session recording for audit
  • Regular access reviews

Employee Security:

  • Background checks for employees
  • Security awareness training
  • Phishing simulation exercises
  • Secure remote work policies
  • Clean desk and screen policies

Compliance & Standards

GDPR (General Data Protection Regulation)

Full GDPR Compliance:

  • Lawful basis for processing personal data
  • Data minimisation (collect only what's needed)
  • Purpose limitation (use data only as specified)
  • Transparent privacy notices
  • Individual rights support (access, rectification, erasure, portability)
  • Data protection by design and by default
  • Data protection impact assessments (DPIAs)
  • Data processing agreements with subprocessors

Your Rights Under GDPR:

  • Right to access your data
  • Right to rectification of inaccurate data
  • Right to erasure ("right to be forgotten")
  • Right to restrict processing
  • Right to data portability
  • Right to object to processing
  • Rights related to automated decision-making

ISO 27001

Information Security Management:

  • Risk assessment and treatment methodology
  • Security policies and procedures
  • Asset management
  • Access control
  • Cryptography controls
  • Physical security
  • Operations security
  • Communications security
  • Supplier relationships
  • Incident management
  • Business continuity

SOC 2 Type II

Trust Service Criteria:

  • Security: Protection against unauthorised access
  • Availability: System uptime and performance
  • Processing Integrity: Complete, valid, accurate, timely processing
  • Confidentiality: Protection of confidential information
  • Privacy: Collection, use, retention, disclosure, disposal of personal information

Industry-Specific Compliance

HIPAA (Healthcare):

  • Protected Health Information (PHI) safeguards
  • Administrative, physical, and technical safeguards
  • Business associate agreements
  • Breach notification procedures
  • Patient rights support

PCI DSS (Payment Card Industry):

  • Secure network architecture
  • Cardholder data protection
  • Vulnerability management
  • Access control
  • Monitoring and testing
  • Information security policy

FCA (Financial Services - UK):

  • Senior Managers and Certification Regime (SM&CR) support
  • Data governance requirements
  • Operational resilience
  • Outsourcing and third-party risk management

Government & Public Sector

Cyber Essentials / Cyber Essentials Plus:

  • UK government-backed cybersecurity certification
  • Firewalls and gateways
  • Secure configuration
  • Access control
  • Malware protection
  • Patch management

UK GDPR:

  • Compliance with UK-specific GDPR requirements post-Brexit
  • ICO (Information Commissioner's Office) guidance
  • UK data adequacy considerations

Privacy-First AI

Privacy by Design

Embedding Privacy:

  • Privacy considerations from project inception
  • Proactive not reactive
  • Privacy as default setting
  • Full functionality with privacy
  • End-to-end security
  • Visibility and transparency
  • Respect for user privacy

Data Minimisation

Collect Only What's Needed:

  • Purpose specification before collection
  • Adequate, relevant, and limited collection
  • Storage limitation (delete when no longer needed)
  • Regular data audits and purging

Purpose Limitation

Use Data as Specified:

  • Clear purposes defined and documented
  • No secondary use without consent
  • Purpose-specific access controls
  • Audit trail of data usage

Transparency & Explainability

Clear Communication:

  • Privacy notices in plain language
  • Explanation of AI decision-making
  • Information about data usage
  • Contact for privacy questions

Explainable AI:

  • Model interpretability where feasible
  • Explanation of factors influencing decisions
  • Confidence scores provided
  • Human review for critical decisions

User Consent & Control

Meaningful Consent:

  • Granular consent options (not all-or-nothing)
  • Easy to withdraw consent
  • Consent tracking and audit
  • Age verification for children's data

User Controls:

  • Access to your own data
  • Ability to correct inaccuracies
  • Download your data
  • Delete your data
  • Opt-out of certain processing

Data Retention & Deletion

Clear Retention Policies:

  • Retention periods based on purpose and legal requirements
  • Automatic deletion after retention period
  • Secure deletion procedures
  • Audit trail of deletions

Self-Hosted & Data Sovereignty

Why Self-Hosting?

Complete Control:

  • Your infrastructure, your rules
  • No data leaving your premises
  • Full audit capability
  • No third-party access
  • Compliance with data residency requirements

Data Sovereignty:

  • Data remains in your jurisdiction
  • Compliance with local laws
  • No foreign government access (e.g., CLOUD Act concerns)
  • Complete sovereignty over data lifecycle

Cost Predictability:

  • No per-API-call costs that scale unpredictably
  • Capital expenditure model for budgeting
  • No surprise charges
  • Long-term cost savings at scale

Self-Hosted Deployment Options

On-Premises Deployment:

  • Full installation in your data centres
  • Air-gapped solutions for maximum security
  • Integration with your existing infrastructure
  • Your IT team has full control
  • No internet dependency for operation

Private Cloud:

  • Dedicated infrastructure in your cloud account (AWS, Azure, Google Cloud)
  • You control the cloud account and billing
  • Complete isolation from other tenants
  • Your encryption keys, your control
  • Flexibility to move or scale

Hybrid Deployment:

  • Sensitive data processing on-premises
  • Less sensitive workloads in cloud for efficiency
  • Secure communication channels between environments
  • Graduated security based on data classification

What Can Be Self-Hosted?

All Our Solutions Support Self-Hosting:

  • Large language models (Llama, Mistral, custom fine-tuned models)
  • Embedding models for vector search
  • Computer vision models
  • Speech recognition and synthesis
  • Translation models
  • All supporting infrastructure

Technology Stack:

  • Open-source models (no license restrictions)
  • Open-source infrastructure (Kubernetes, PostgreSQL, Redis)
  • Standard hardware (no proprietary requirements)
  • Your choice of operating system

UK Data Sovereignty

Processing & Storage in the UK:

  • All data processing in UK data centres
  • All data storage in UK regions (AWS eu-west-2 London, Azure UK South/West)
  • No data transfer outside UK borders
  • UK staff with UK security clearances (where applicable)
  • Compliance with UK data protection laws

Benefits for UK Organisations:

  • Data Adequacy post-Brexit considerations
  • UK GDPR compliance
  • ICO jurisdiction
  • UK legal protections
  • Support UK economy and jobs

Industries Requiring UK Data Residency:

  • Government and public sector
  • NHS and healthcare
  • Financial services (FCA regulated)
  • Legal services
  • Defence and security
  • Critical national infrastructure

Implementation & Support

We Handle Everything:

  • Infrastructure sizing and design
  • Installation and configuration
  • Integration with your systems
  • Security hardening
  • Performance optimisation
  • Documentation and training
  • Ongoing support and updates

Your Team's Involvement:

  • You control the pace and approach
  • Knowledge transfer at every stage
  • Training for your IT team
  • Gradual handoff of operations
  • We're available for ongoing support as needed

Security Audits & Penetration Testing

Regular Security Assessments

What We Do:

  • Annual comprehensive security audits
  • Quarterly vulnerability assessments
  • Continuous automated scanning
  • Architecture reviews for new systems
  • Code security reviews
  • Penetration testing by third parties

Penetration Testing

Independent Verification:

  • Annual penetration tests by certified ethical hackers
  • Black-box, grey-box, and white-box testing
  • Web application testing (OWASP methodology)
  • Infrastructure testing
  • Social engineering testing
  • Detailed remediation reports

Scope of Testing:

  • External perimeter (internet-facing systems)
  • Internal networks
  • Web applications and APIs
  • Mobile applications
  • Cloud infrastructure
  • Physical security (where applicable)

Vulnerability Management Process

Identify → Prioritise → Remediate → Verify:

  1. Identification: Automated and manual vulnerability discovery
  2. Risk Assessment: CVSS scoring and business impact analysis
  3. Prioritisation: Critical → High → Medium → Low
  4. Remediation: Patching, configuration changes, mitigations
  5. Verification: Confirming the vulnerability is addressed
  6. Documentation: Lessons learned and process improvements

Continuous Improvement

Learning from Incidents:

  • Post-incident reviews
  • Root cause analysis
  • Process improvements
  • Team training and awareness
  • Industry threat intelligence

Our Security Commitment

Transparency

We're transparent about:

  • Our security practices and procedures
  • Incidents and how we respond to them
  • Compliance certifications and audits
  • Subprocessors and data flows
  • Changes to security practices

Continuous Investment

We Invest in Security:

  • Regular training for all staff
  • Latest security tools and technologies
  • Independent security assessments
  • Security research and threat intelligence
  • Participation in security community

Responsibility

We Take Responsibility:

  • Clear security policies and procedures
  • Defined roles and responsibilities
  • Incident notification procedures
  • Insurance and liability coverage
  • Transparent communication with clients

How We're Different

30 Years of Securing Critical Systems

Experience Matters:

  • Financial systems handling billions in transactions
  • Healthcare systems with patient data
  • Government systems with citizen information
  • Manufacturing systems controlling critical processes

We've dealt with:

  • Every type of security incident
  • Multiple generations of security threats
  • Evolving compliance requirements
  • The consequences of security failures

Security-First Culture

Not Just a Department:

  • Security is everyone's responsibility
  • Security champions in every team
  • Regular security training and awareness
  • "Security first" in every decision
  • We'll slow down or stop work if security is at risk

Honest About Limitations

We Don't Claim Perfection:

  • No system is 100% secure
  • We design for "when," not "if" a breach occurs
  • Defence in depth assumes layers will be penetrated
  • Incident response is as important as prevention
  • Continuous improvement is essential

Frequently Asked Questions

Q: How do you stay current with evolving threats? A: Continuous training, threat intelligence subscriptions, security conferences, penetration testing, and active participation in security communities.

Q: What happens if there's a security incident? A: We follow our incident response procedures: containment, investigation, notification, remediation, and post-incident review. We're transparent with affected parties and regulatory authorities.

Q: Can we audit your security practices? A: Yes. We welcome client security audits and provide documentation, evidence, and access to support your due diligence.

Q: Do you have cyber insurance? A: Yes. We maintain comprehensive cyber liability insurance.

Q: How do you handle security for third-party services? A: All subprocessors undergo security assessment. We maintain a list of subprocessors, data processing agreements, and monitor their security practices.

Q: What if we have industry-specific security requirements? A: We work with you to understand and meet your specific requirements, whether healthcare, financial services, government, or other regulated industries.

Q: Can you support air-gapped deployments? A: Yes. We can deploy solutions in completely isolated environments without internet connectivity.

Q: How often are security updates applied? A: Critical security patches immediately, high-priority patches within days, routine updates monthly or as appropriate for the environment.


Get Started with Secure AI

Security shouldn't be an obstacle to AI adoption. With the right approach, you can have both-powerful AI capabilities and robust security.

Let's discuss your specific security requirements:

  • What compliance standards you need to meet
  • Your data residency and sovereignty needs
  • Whether self-hosted deployment is right for you
  • How we can integrate securely with your existing systems
  • Your risk tolerance and security priorities

Book a Security Consultation | Download Our Security Whitepaper | Request Our Security Questionnaire


Glusoft Limited
Enterprise AI Security | UK-Based Development | 30 Years of Securing Critical Systems

Because your data security is non-negotiable. Because compliance is built-in, not bolted-on. Because doing it right matters.