Telecoms & TechnologyCybersecuritySecurity Technologies

Cybersecurity & IT Monitoring

Context

The client operates critical Linux environments requiring a high level of security, availability, and operational reliability. To support this transformation, Avaliance is engaged to strengthen system security, ensure operational stability, and structure the automation of operational processes.

Challenges

The client needed to strengthen the security of its Linux environments, improve vulnerability management, and ensure service continuity across critical infrastructures.

The challenge also involved industrializing operational practices, integrating appropriate security solutions, and enhancing the efficiency of RUN teams within a structured technical and organizational framework.

Avaliance Intervention

Achievements

Avaliance deployed a structured approach combining security, automation, and operational management, through:
  • integration of security solutions (SIEM, administrative bastion)

  • automation of operational processes and patch management

  • reinforcement of operational stability for Linux environments

  • securing systems and data flows

  • technical support and operational management of RUN teams across critical scopes

Technologies Used

Linux
SIEM
Administrative bastion
Patch management

Results

Thanks to Avaliance’s intervention, the client achieved concrete and measurable results:
1
30% to 40% reduction in manual interventions through automation of recurring operations
2
significant improvement in the availability of critical environments, with a noticeable decrease in Level 3 incidents
3
strengthened security posture through system hardening and improved detection of security events
4
faster maintenance and update operations, reducing processing times and operational risks
5
increased maturity of RUN teams, now equipped and structured to manage Linux environments in an industrialized and secure manner
6
improved detection of security incidents through SIEM integration and centralized system logging
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