Mobile applications operate outside your perimeter, on devices beyond your control, across classified and unclassified domains. Our work is to make the risks manageable, enabling capability from the forward edge to consumer scale.
Helping establish and maintain product security programme for Ukraine’s primary C2 system, protecting field-exposed mobile applications.
Secured AI/ML models distribution across consumer mobile applications with over 250 million users — among the first mass-market deployments of on-device AI.
10+ years of building and hardening mobile application security for high-risk environments like finance, robotics, defence and public sector.
Ukraine’s primary C2 system operates under daily nation-state-level cyberattacks. Cossack Labs works with the DELTA team as a security engineering partner: helping build and maintain a product security programme, as well as hardening more than 30 integrated systems so that the ecosystem remains operational, secure, and resilient under continuous adversarial pressure.
Over 1 million active-duty military personnel rely on the platform's digital services, developed by the Ministry of Defence of Ukraine. The platform runs dozens of business integrations – each a potential threat vector. We work with the Army+ team on the platform's product security programme to design and implement a multi-layered security system that reduces the risks of data compromise and enables the security of integrations.
Operate across classified and unclassified domains without exposing data or degrading mission capability — meeting the platform security requirements that defence and enterprise customers will accept.
Privacy-first architecture that satisfies data handling requirements in sovereign and regulated environments — without forcing a choice between security and usability.
Ensure cryptographic integrity of credentials and keys, prevent unauthorised access or cloning — built to hold up under real-world adversarial conditions.
Prevent reverse engineering and IP theft on devices operating outside controlled environments — including forward-deployed and field-issued hardware where you have no fallback.
Protection that holds across a large, uncontrolled user base without performance trade-offs. Proven at 100M+ users. Applied to environments where scale and sensitivity coexist.
Build apps where only authorised users can access the data — not the platform, not the operator, not an adversary with backend access.
We identify and help eliminate root causes of security weaknesses — unshackling development and easing SOC workload.
Operationalise product features faster, get better security ROI, reduce security incidents’ likelihood and impact, and build repeatable, scalable security processes.
Cross-domain integration framework for mission-critical systems
Interoperability framework for heterogeneous distributed systems, enforcing security across untrusted networks, and delivering data to control and decision systems under degraded, intermittent or denied connectivity.
Proven in the most challenging environments, operating across private, national and defence critical infrastructures, under daily real-world attacks.
Securing AI from model build to field inference
Securing AI across its lifecycle — datasets, training environments, models in the cloud and at the edge, and the AI-enabled applications. Built for ML models running in high-risk environments, shaped by real threats and operational requirements.
Helmet capabilities are built and running across our programmes in private and public sectors including mobile apps with 100 million+ users and defence systems.
What our partners say
The security engineering team cares not only about security but also about the product itself. It creates real alignment, making security feel like a natural part of the process rather than just a compliance checkbox.
Center of Innovations and Defense Technologies Development of the Ministry of Defence of Ukraine
Lead mobile engineer at TradingCom
creators of Bear app
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