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Cyber Security
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Data and Cybersecurity to Fight off Cyberattacks
With our expertise in IoT and AI techniques, TCS empowers enterprises to adopt robust cybersecurity strategies and fortify their operations. Learn more.
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Highlights
- SAS extended its partnership with TCS into a cybersecurity strategic program seven years ago, building on years of collaboration in IT transformation.
- SAS aimed to reposition itself as a forward-looking airline with an AI-driven, resilience‑first cyber posture grounded in a cybersecure culture, regulatory discipline, and operational excellence.
- TCS supported SAS's transformation into a modern, cloud-centric, intelligence-driven security-operating organisation.
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Overview
How did SAS evolve its TCS engagement into a strategic cybersecurity alliance?
SAS, Scandinavia’s leading airline since 1946, operates from three principal hubs - Copenhagen, Oslo and Stockholm. Their mission is to connect Scandinavia with the world and the world with Scandinavia. SAS and TCS have built a deep, trust‑driven partnership anchored in shared objectives, transparency, and a commitment to continuous improvement.
What began as a traditional service engagement has matured into a strategic cybersecurity alliance, enabling the organisation to modernise its security posture and remain resilient amid an ever-evolving cyber threat landscape.
The journey continues with joint efforts in AI adoption, security, and sovereignty across all IT platforms.
Challenges
Seven security pain points driving the need for cyber modernisation
As digital transformation accelerated, strengthening cyber capabilities became a critical need to guarantee resilient, always‑available IT services and sustained operational continuity.
- Limited scalability, infrastructure maintenance overhead, and slow deployment cycles
- Fragmented visibility across hybrid environments
- Absence of centralised KPIs and governance
- Outdated endpoint protection without behavioural detection
- Growing exposure to email‑based threats
- Limited advanced security capabilities
- Lack of 24-hour monitoring
Resolution
How TCS enabled a scalable, intelligence-driven cybersecurity transformation resolution
SAS drove readiness and alignment across stakeholders, while TCS engaged closely with the TCS Centre of Excellence (COE), the Delivery Excellence Group (DEG), and the TCS Global SOC teams to enable effective implementation.
- Migrated from IBM QRoC to the Microsoft Sentinel SIEM platform
- Migrated from McAfee ePO to Microsoft Defender for Endpoint (EDR)
- Implemented 24-hour monitoring for alerts and security incidents
- Tracked infrastructure, network, and application vulnerabilities with defined KPIs for closure
- Integrated multiple threat intelligence platforms for automated IoC enrichment
- Developed over 200 active use cases (80% custom) aligned with the MITRE ATT&CK Framework, along with 20 anomaly-based detection playbooks
- Automated alert investigation workflows to optimise MTTD and MTTR
- Integrated high and critical severity alerts with Slack, Microsoft Teams, and email channels to accelerate response
- Performed tool-based firewall rules assessments to strengthen configuration hardening and operational efficiency
- Conducted infrastructure security scanning aligned with CIS benchmarks, including external threat detection via Censys
- Designed and implemented centralised vulnerability dashboards to track enterprise-wide security compliance
- Enabled effective web proxy management through Zscaler Client Connector
- Executed focused threat hunting using threat intelligence, SIEM telemetry, and EDR log analysis
Benefits
What outcomes were achieved?
SAS now operates with enhanced stability, security, and control, with a key milestone in the journey to becoming a “digital‑first airline” underpinned by cybersecurity‑by‑design principles.
- Strengthened enterprise security posture with holistic visibility across the environment
- Reduced MTTD and MTTR through automation and optimised investigation workflows
- Enabled 24-hour monitoring to ensure zero blind spots in detection and response
- Improved operational efficiency, SOC productivity, and overall signal-to-noise ratio
- Delivered real-time compliance visibility for leadership and audit teams
- Accelerated and streamlined incident response through coordinated processes
- Ensured instant stakeholder awareness for high and critical severity alerts
- Unified EDR and SIEM telemetry to support deeper, correlated investigations
- Enabled proactive threat hunting and intelligence-driven defence operations
- Reduced external exposure and strengthened perimeter security controls
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