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    TCS is here to make a difference through technology.

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      15 May 2025 TCS Recognized as One of the World’s Top 50 Brands by Kantar BrandZ; Brand Value Soars 28% YoY to $57.3Bn
      14 May 2025 TCS Partners with Khan Bank to Future-Proof its Operations, Enhance Customer Experience and Propel Innovation leveraging AI and ML
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      • ignio™
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      • Quartz™ – The Smart Ledgers™
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  • Who we are
    • Overview Press tab for submenu items

      We deliver excellence and create value for customers and communities.

      Our expert, committed team put our shared values into action – every day. With the best talent and the latest technology we help customers turn complexity into opportunities and create meaningful change.

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      Want to be a global change-maker? Join our team.

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      Join us
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      Find the latest news about TCS in our Newsroom

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      Discover more
    • Press releases

      Recent Press releases

      15 May 2025 TCS Recognized as One of the World’s Top 50 Brands by Kantar BrandZ; Brand Value Soars 28% YoY to $57.3Bn
      14 May 2025 TCS Partners with Khan Bank to Future-Proof its Operations, Enhance Customer Experience and Propel Innovation leveraging AI and ML
      12 May 2025 TCS Partners with Dhofar Insurance Company to Transform its Core Insurance Platform
      View all
    • News alerts

      Recent News

      02 May 2025 TCS Ranked Denmark’s #1 IT Service Provider for Customer Satisfaction in 2025
      23 Apr 2025 TCS Partners with Google Cloud on Agent-to-Agent Interoperability Protocol to Drive Future-Ready Enterprises
      11 Apr 2025 TCS Partners with Google Cloud to Accelerate AI-led Transformation in the Retail Sector
      View all
    • Analyst recognition

      Recent recognitions

      22 Apr 2025 TCS Ranked #6 Amongst Banking Technology Providers and Recognized as a Regional Leader across all Geographies by Everest Group
      17 Apr 2025 TCS BaNCS Named a Leader Among Wealth Management Products by Everest Group
      13 Feb 2025 TCS Positioned as a Leader in IDC MarketScape for Worldwide Life Science R&D ITO Services 2024
      View all
    • Events

      Upcoming events

      11 Jun 2025 TCS and PTC Present the North America Leadership Forum 2025
      04 Jun 2025 Veeva R&D and Quality Summit: Developing Better Health Outcomes
      02 Jun 2025 Siemens Realize LIVE: Discussing Technology and Digital Transformation
      View all
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      Tata Consultancy Services Limited
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    • TCS and AWS Cloud
    • Case Study

    Life insurer adopts a zero-trust framework

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    Highlights

    • A life insurance firm wanted to secure data movement on internal networks on their AWS environment.
    • We used network segmentation to prevent the lateral movement of unauthorized access.
    • Data privacy controls across its multiple cloud accounts ensured a robust network security.

    In this article

    Challenge inpage
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    Related reading inpage
    Challenge inpage
    Solution inpage
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    Challenge

    The client wanted to implement data privacy controls and ensure network security.

    A large life insurance firm wanted to ensure network security and reliability to protect proprietary business information from cyber-attacks and data leaks. They needed to secure data movement on internal networks and strengthen network traffic security of their AWS environment. However, the company’s security controls were configured to exclusively check communication flows over public internet, and between their data center and AWS cloud. Additionally, most of the east-west traffic was never inspected for security. With the expansion of workloads on AWS, the company wanted to segment the cloud network to mitigate the insider attack threats. Further, they wanted to add a security layer to their internal AWS network traffic to completely thwart attacks.

    Solution

    Zero-trust security initiative helps in preventing data breaches.

    TCS designed and implemented a zero-trust framework to protect the client’s network architecture and prevent data breaches. TCS leveraged network segmentation to prevent the lateral movement of unauthorized access, thereby ensuring threat prevention for enterprise applications and simplifying granular user-access control. By building a transit gateway to inter-connect the client’s virtual private clouds and multiple cloud accounts such as shared accounts, production accounts, non-production and security accounts, and consolidating the connectivity through a hub-and-spoke model, TCS secured the traffic exchanged among the client’s cloud accounts. The setup ensured that the traffic would first be sent to the transit gateway to be inspected by the firewall and that every network packet exchanged among the accounts would be scanned by the firewall, including hidden malware within encrypted data, to safeguard from cyber-attacks. Zero-trust security initiative helps in preventing data breaches.

    Case study

    BFSI firm adopts best security practices

    Read more
    Case study A BFSI firm adopts best security practices

    Benefits

    The insurer enjoys robust network security leveraging TCS’ zero trust framework.

    TCS helped the client strengthen the network security of their AWS environment by implementing data privacy controls across its multiple cloud accounts. TCS ensured that the internal AWS traffic was scanned to mitigate cyber-attacks and prevent unauthorized access. TCS helped the client gain the following benefits:

    • Boost in customer confidence with network security protected PII data.
    • Prevention of reputational loss and legal fallouts.
    • Protection from internal threats via secure data sharing.
    • Blocked lateral movement of unauthorized access-enabled secure build of micro-services.
    • Accelerated development of new innovation projects due to network security.

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    Case study

    BFSI firm adopts best security practices

    Read more
    Case study A BFSI firm adopts best security practices

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