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LDT SYSTEM / SOFTWARE & SECURITY ENGINEERING
Software, web and security engineering from plan to production
We deliver custom systems, websites, data and security projects through one accountable team, from requirements and architecture to release and ongoing operations.
Scope firstRequirements, deliverables and acceptance criteria
Source deliveredWith deployment and operating documentation
Post-launch careVersions, issues and changes remain traceable
Products
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Services
View all servicesOur Services
Software Development
Custom software development
Web Development
Website and corporate site development
AI Development
Enterprise AI application development
Data Analytics
Business data analytics and visualization
Security Consulting
Vulnerability assessment and penetration testing
Anti-Reverse Engineering
Code protection and software hardening
Process
How We Work
- 01
Requirements
Identify users, existing workflows, integrations and non-negotiable constraints.
- 02
Proposal
Define scope, timeline, milestones and acceptance so both sides work from one baseline.
- 03
Build & release
Ship reviewable increments, then complete testing, deployment and documentation.
- 04
Operations
Track monitoring, fixes and changes after launch with a complete version history.
Delivery
A clear delivery baseline for every project
Technology choices vary by need. Maintainability, repeatable deployment, traceability and handover do not.
Maintainable source
Versioned, structured and documented so delivery does not depend on one author.
Reviewable changes
Important work is reviewed and tested against requirements and acceptance evidence.
Repeatable releases
Configuration, migration, health checks and rollback are part of delivery.
Security baseline
Access, validation, backups, logs and dependency checks are applied as needed.
Scenarios
Common Engagement Scenarios
These anonymized scenarios explain delivery priorities across project types and are not endorsements from specific clients.
During requirements they helped us clarify the real problem, shipped the core flow first and expanded from there, so we saw results early. Communication was direct and clear.
Custom system development The new site loads noticeably faster and the back office lets us update content ourselves. The SEO foundation was thorough.
Corporate site rebuild The whole assessment, from authorization scope to reporting, was rigorous. We received not just a list but reproduction steps and remediation advice our team could act on directly.
Security assessment
Security you can verify.
We only test systems with written authorization, and we only protect software you own — full source code and proof of authorship required.
Read our Security Engagement PolicyFAQ
Common questions
Do we own the code?
Yes. Full source code and IP transfer on final payment.
What about SEO?
Technical SEO is included by default. Content strategy is available as an add-on.
Does our data stay private?
Yes. We design for data boundaries — self-hosted models or contractual no-training APIs, your choice.
Our data is messy. Is that a problem?
It's the normal starting point. Cleaning is part of the work.
Will testing disrupt our production systems?
Scope rules define safe targets and time windows. Destructive testing only ever runs on staging, with explicit approval.
Why do you require source code and proof of authorship?
Because protection work on software you don't own is indistinguishable from attack preparation. The requirement protects you, us, and the ecosystem.
Get in touch
Discuss a project