Master Thesis - Using object security to secure data

Stockholm, SE
den 20 oktober 2021
den 11 november 2021
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Our Exciting Opportunity

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Thesis Objectives:

In many of today's telecom systems data is secured by being stored in secured servers that communicate via secured pipes using e.g. TLS. This system has several vulnerabilities, including
  • server penetration
  • those having access to a server can often access all the data on the server
  • issues when transferring data between trust domains
  • Man-in-the-middle attacks

As an alternative, data can be secured as individual information objects (IO) by the publisher at the same time as the IO is published.

Data that should be possible to secure includes, but are not limited to:
  • Data and measurement logs
  • Customer data
  • Management commands
  • Data for AI training and machine learning

Possible techniques to use:
  • Google IAM
  • Attribute based encryption (ABE)

The thesis should develop/select/evaluate a method where data is secured by the publisher at the time of data creation, but is still easily accessible for legitimate data consumers.


  • Good understanding of computer networks
  • Good understanding of data streaming
  • Good understanding of distributed system is a plus
  • Good programming skill, in e.g. java, python, C++
  • Understanding of Cloud Execution environments like AWS, Google Cloud, MS Azure.

The positions also require you to be fluent in English, both written and spoken.

In return, you will get to perform your thesis work with cutting-edge technology in a stimulating learning environment with a friendly atmosphere.

What´s in it for you?

Here at Ericsson, our culture is built on over a century of courageous decisions. With us, you will no longer be dreaming of what the future holds - you will be redefining it. You won't develop for the status quo, but will build what replaces it. Joining us is a way to move your career in any direction you want; with hundreds of career opportunities in locations all over the world, in a place where co-creation and collaboration are embedded into the walls. You will find yourself in a speak-up environment where empathy and humanness serve as cornerstones for how we work, and where work-life balance is a priority. Welcome to an inclusive, global company where your opportunity to make an impact is endless!

What happens once you apply?

To prepare yourself for next steps, please explore here:

Location for this role: Kista, Sweden

Recruiter: Sylwia Kwiecień

The recruitment process is ongoing so please send in your application (CV, current grades and cover letter written in English) as soon as possible.

Kindly note that we cannot process applications sent via email.

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Ericsson complies with applicable country, state and all local laws governing nondiscrimination in employment in every location across the world in which the company has facilities. In addition, Ericsson supports the UN Guiding Principles for Business and Human Rights and the United Nations Global Compact.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, training and development.

Ericsson expressly prohibits any form of workplace harassment based on race, color, religion, sex, sexual orientation, marital status, pregnancy, parental status, national origin, ethnic background, age, disability, political opinion, social status, veteran status, union membership or genetic information.

Primary country and city: Sweden (SE) || || Stockholm || [[mfield2]]

Req ID: 625742

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