Microsoft UK • Cheltenham, United Kingdom

Security and Fraud Analyst

Employment type:  Full time

3 days/week at home

Fully flexible hours

Apply now

Job Description


Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate. Our culture is centered on embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. In doing so, we create life-changing innovations that impact billions of lives around the world.

The Identity security analyst team, IDFIRE, is the premier identity cyber threat hunting and investigation team in the industry. IDFIRE is responsible to identify and understand all novel attacks against user and application authentication by researchers, criminals and nation state actors. We partner with data scientists and engineers to ensure the integrity and security of the services we operate (Entra & Microsoft Account), as well as the consumer and commercial identities we manage. We are seeking a talented individual to join our world-class team of Security Researchers with a focus on fraud prevention and detection Your passion for protecting customers, comfort with ambiguity, and motivation to deliver consistently exceptional performance under high pressure, will be highly valued. Your ability to efficiently sift through PB sized datasets via automation to extract key insights in a timely manner, will be critical in helping us continue to successfully execute against our mission. If you are motivated by the challenge of using your skills & knowledge to help protect Microsoft and the world from fraud and abuse - come join us!

Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

#MSFTSecurity, #IdentityJobs, #EntraJobs #IdentitySecurity


  • Respond to security incidents (on-call) spanning fraud, abuse and compromise and identity-related operational issues to identify, isolate, remediate, and root cause
  • Collaborate globally with engineering and partner teams such as MSTIC, MSRC and DCU in combatting fraud and abuse across both consumer and enterprise identities
  • Investigate security incidents primarily related to fraud and abuse such as sign-up spikes, crypto-jacking and IRSF fraud
  • Continually evaluate and suggest improvements to existing algorithms, and propose new ones, to detect and prevent systemic service vulnerabilities, identity compromise, fraud, and abuse
  • Identify and analyze new data sources relating to novel fraud vectors and gain new insights for investigating fraud and abuse by finding patterns and outliers in data


  • Experience working with extremely large data sets
  • Experience of using tools, Scripting languages or MapReduce solutions.
  • Experience in Cybersecurity, and/or Fraud, anomaly detection, software development lifecycle, large-scale computing, or data science
  • OR BS Degree in Computer Science, Electrical & Computer Engineering or Mathematics or equivalent experience

Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings: Microsoft Cloud Background Check: This position will be required to pass the Microsoft background and Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form.

Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.

Company benefits

Wellbeing allowance
Health insurance
Dental coverage
Gym membership
Mental health platform access
Buy or sell annual leave
Shared parental leave
Matched pension contribution
Charity donation scheme
Employee assistance programme
Employee discounts
Volunteer days
Fertility treatment leave
Open to compressed hours
Open to job sharing
Fertility benefits
Enhanced sick pay
Enhanced sick days
Compassionate leave
Travel insurance
20 days annual leave + bank holidays
Enhanced maternity leave
Enhanced paternity leave
Adoption leave
Childcare credits
Carer’s leave
Cycle to work scheme
Faith rooms
Annual bonus
Annual pay rises
Company car
Open to part-time employees
Pregnancy loss leave
Life insurance
Equity packages
Financial coaching
Relocation packages
Employees are very happy with their working location freedom
Employees are very happy with the flexibility in the hours they work
Employees are largely happy with the benefits their company offers
Work-life balance
Employees feel that they can switch off quite easily from work
Role modelling
Employees feel that most people work flexibly
Employees feel that they can mostly manage how they get their own work done

Working at Microsoft UK

Company employees

Globally: 220,000

Gender diversity (male:female)


Office locations

London, Reading, Cambridge, Romsey, Manchester, Edinburgh

Hiring Countries

United Kingdom

Awards & Achievements

Most flexible companies

Most flexible companies

Flexa100 2024

Other jobs you might like