Cybersecurity Services

Cybersecurity services for modern businesses, regulated teams and private clients.

Sentry0 delivers penetration testing, AI security services, OSINT, threat intelligence, privacy support and cybersecurity consulting with direct communication and clear reporting.

4 Service groups
8 Primary client segments
24-48h Typical response window

Services

Structured services across testing, privacy, AI security and managed support.

Core Services

Regular scope

01

Penetration Testing

Penetration testing for external perimeter, internal environments, web applications, APIs and cloud-connected systems.

  • Web and application security testing
  • Internal and external infrastructure reviews
  • Retesting and remediation validation

02

OSINT & Threat Intelligence

Exposure analysis across public infrastructure, leaked data, impersonation risks and external attack surface.

  • Public footprint and exposure mapping
  • Threat-led intelligence review
  • Executive and technical briefings

03

Cybersecurity Consulting

Advisory support for technical teams, management and founders who need direct cybersecurity guidance.

  • Architecture and control review
  • Security strategy and advisory
  • Risk prioritization and planning

AI Security Services

Specialized offerings outside regular scope

04

AI/LLM Red Teaming

Structured adversarial testing for prompt injection, unsafe tool use, model abuse, data leakage and business logic weaknesses.

05

AI Application Security Testing

Security review for AI-enabled applications, agent workflows, integrations, APIs, data paths and deployment controls.

06

Custom LLM & Agent Builds

Design and implementation support for private LLM workflows, internal agent systems and custom security-focused automations.

07

Agent & LLM Hardening

Guardrails, isolation, access controls, logging and abuse resistance for deployed AI systems.

08

AI Governance & Compliance

Governance, internal policies and deployment controls for teams adopting AI in regulated or risk-sensitive environments.

09

EU Risk Exposure Services

Advisory support for organizations navigating AI-related operational, regulatory and exposure concerns across EU markets.

10

Personal Privacy

Support for private individuals with digital exposure, privacy concerns, personal footprint reduction and targeted risk review.

11

MSSP Services

Follow-on managed services for monitoring, recurring reviews, advisory continuity and long-term security support.

12

Work With Us

Project-based engagements, scoped advisory work and ongoing service relationships are all available depending on need.

Who We Work With

Focused on organizations and individuals with real exposure and real deadlines.

Startups Law Firms Financial Services Enterprise Healthcare Manufacturing & Industrial Managed Services EU Exposure Private Individuals

Our Team

Senior-led security work with direct communication and technical depth.

01

Assessment First

Work starts from scope, context, systems and business exposure, not from prebuilt templates.

02

Direct Reporting

Findings, priorities and next steps are written to be useful to leadership and technical teams.

03

Follow-Through

Retesting, advisory support and follow-on managed service work are available after the initial engagement.

Contact

Send an inquiry.

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