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Security Testing

Mech Arena

Client:Plarium

Cyrex partnered with Plarium to deliver white box penetration testing for Mech Arena, securing its custom engine, live services, and multiplayer gameplay systems ahead of continued scale on mobile.

The Challenge

Securing a Competitive Mobile PvP Shooter

Mech Arena is a fast-paced PvP mech shooter built on a custom engine for mobile platforms. With real-time combat, weapon customization, matchmaking, and reward systems, the game relies on secure live services and properly validated gameplay logic.

For Plarium, maintaining competitive integrity and player trust required validating:

  • Multiplayer combat systems
  • Weapon and inventory mechanics
  • Reward distribution logic
  • Matchmaking infrastructure
  • Chat functionality
  • Server-side validation across live services

In high-speed PvP environments, vulnerabilities in combat logic or reward systems can directly impact fairness. Plarium engaged Cyrex to conduct structured white box penetration testing to identify weaknesses before they could be exploited.

The Cyrex Solution

White Box Penetration Testing Across Live & Gameplay Services

Cyrex conducted comprehensive white box penetration testing, reviewing Mech Arena’s internal implementations across both gameplay systems and live services.

This approach allowed our security engineers to analyze trust boundaries, server authority enforcement, and integration points in depth.

Core Gameplay & Combat Assessment

Our engagement included evaluation of:

  • Physics and ranged combat systems
  • Weapons logic and validation
  • Inventory and slot management
  • Reward system integrity

We assessed whether gameplay actions were properly validated server-side and resistant to client-side manipulation.

Multiplayer & Live Service Validation

Beyond combat mechanics, Cyrex tested:

  • Matchmaking infrastructure
  • Chat systems
  • Integration between live services and gameplay features

This ensured that player interactions and service-level components were protected against misuse or exploit paths.

Vulnerability Identification & Remediation

Through detailed code-level review, Cyrex identified active vulnerabilities as well as weaker architectural points that could present future risk.

We provided:

  • Prioritized remediation guidance
  • Technical recommendations aligned with development workflows
  • Best-practice security improvements for long-term resilience

This enabled Plarium to address issues efficiently and reinforce system integrity.

The Outcome

Strengthened Multiplayer Integrity & Service Security

  • Identification and mitigation of active vulnerabilities
  • Strengthened server-side validation of combat and reward systems
  • Improved resilience of matchmaking and chat services
  • Increased confidence in long-term multiplayer stability

Client Feedback

Plarium Team

Cyrex has proven to be a deeply specialised security firm that is incredibly experienced in the gaming industry. They worked on a wide range of different assets, ranging from multiplayer games to launchers and platforms, and consistently delivered excellent results exceeding industry standards. We’re looking forward to more fruitful collaborations.
Plarium Team
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