Security Engineer Investigator, Account Threats

1 week ago

London, Greater London, United Kingdom Meta Full time
Security Engineer Investigator, Account Threats

The Account Threats team is dedicated to protecting the users of Meta's family of applications (e.g. Facebook, Instagram, WhatsApp, Oculus) from the worst kinds of account security issues we experience.

You will have the opportunity to work on some of the most challenging, complicated, and high-visibility security risks the company is facing through an account security lens.

We are seeking an experienced security engineer to proactively detect and analyze root causes of account security abuses, reverse engineer novel malware or other malicious software, investigate complex threats to our business and our users, advance investigative methods, conduct data-driven decision making, and use innovative approaches to protect people from harm.

The candidate must have a strong cybersecurity or cyber threat intelligence background and know how to apply it to proactively hunt for threats, be able to use code to automate investigative actions, and be proficient in scripting languages, such as PHP or Python.


The ideal candidate will be an innovative self-starter, who is motivated by our mission, is results-driven, a strategic thinker, and will be able to extract, assimilate, and correlate a wide variety of data in order to surface and disrupt account security abuses.

Security Engineer Investigator, Account Threats Responsibilities

Proactively hunt for threats and undetected abuse by leveraging internal data, open source intelligence, and third-party private intelligence.

Investigate complex account security abuses to understand in granular detail how abuse is occurring.

Reverse engineer malware and other potentially malicious software interacting with Meta platforms or users to derive behaviors indicative of abusive interactions with our platforms.

Write signatures (e.g. file, network) to detect, hunt, and prevent malware compromise.


Self-directed identification of trends in adversary behavior, and proactive surfacing of risks that may represent previously unidentified or novel vectors for harm.

Deeply understand how abuse manifests and clearly explain emerging threats and trends, with an emphasis on security understanding.


Analyze and interpret complex, high volume, and high dimensionality data from varying sources to advance investigations, quantify trends, or support findings.

Manage multiple projects at once while effectively prioritizing time, based on team priorities.

5+ years work experience in a cyber security, security investigations, or cyber threat intelligence investigations role.

~ Adept at writing queries to analyze and interpret large datasets to advance investigations, quantify trends or support findings.

~ Experience investigating and acting on high-impact threats such as account compromise, account creation abuse, business compromise, or malware analysis.

~ Proficiency in reverse engineering and familiarity with Android or Windows reverse engineering tools (e.g. Proficiency in static and dynamic analysis of malicious software to understand behaviors and intent of the malicious software. Proficiency working with Python, PHP, or similar scripting languages.

~ Proficiency in detecting and mitigating account abuse for a Web-based service, to include experience with authentication attacks, account generation abuse, bot detection, evasion detection, and/or browser fingerprint analysis.

~Deep technical and data analysis ability to analyze custom protocols to understand and expose adversarial behaviors.

~ Experience with sizing abuses / threats to a Web-based service.

~ Experience in scoping, communicating, and leveraging cyber threat intelligence to proactively detect, measure, or prevent abuse.

~ Experience using SQL for data analytics and processing large data sets.

~ Demonstrated passion for understanding the intersection of global security risks, and how they apply to social media.

~ BS/MS or equivalent experience in Computer Science, Information Systems, Intelligence Studies, Cybersecurity or related field.

~ Experience working across or contributing to the broader security community (public research, blogging, presentations, open source contributions, etc.)

LocationsAbout Meta Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect.

Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology.

People who choose to build their careers by building with us at Meta help shape a future that will take us beyond what digital connection makes possible today—beyond the constraints of screens, the limits of distance, and even the rules of physics.

Meta is committed to providing reasonable support (called accommodations) in our recruiting processes for candidates with disabilities, long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

If you need support, please reach out to . Explore more InfoSec / Cybersecurity career opportunities


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