Senior Investigator, Insider Trust - Global Security Organization

TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and its offices include New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.



Why Join Us

Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.

Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.

To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.

At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.

Join us.



The Global Security Organization provides industry-leading cyber-security and business protection services to TikTok globally. Our organization employs four principles that guide our strategic and tactical operations. Firstly, we Champion Transparency & Trust by leading the charge in organizational transparency, prioritizing customer trust, and placing user needs first. Secondly, we aim to maintain Best in Class Global Security by proactively identifying and reducing risks while enabling innovative product development. We constantly work towards a sustainable world-class security capability. Thirdly, we strive to be a Business Catalyst & Enabler by embodying the DNA of technical innovation and ensuring our Global Security operations are fast and agile. Finally, we Drive Empowered & Risk-Informed Decision Making by providing our leaders with the necessary information to make agile decisions based on risk. In order to enhance collaboration and cross-functional partnerships, our organization follows a hybrid work schedule that requires employees to work in the office for 2 to 3 days a week, as directed by their manager. We regularly review our hybrid work model, and the specific requirements may change at any time.



We are seeking an experienced investigator for the Insider Trust team in Global Security. You will use your investigative and adversarial mindset to help us identify, detect, and mitigate insider threat at TikTok. You will work within a team of cross-functional subject matter experts to data mine threat actor abuse tactics, develop predictive models, and conduct comprehensive proactive and reactive investigations using analytical skills, subject-matter expertise, and domain experience. The Senior Investigator will leverage data analysis skills to analyze detections and deepdive into indicators of compromise. You will develop actionable recommendations, and continually help iterate detections to increase the fidelity of team detections.



Responsibilities

- Identify deceptive behaviors of threat actors, collect and analyze signals through data analysis, and work with engineers to improve detection models and develop data driven mitigation strategies. Develop and test predictive models of feature abuse.

- Use all available internal and external data sources to produce detections, actionable intelligence, and investigations around insider threats.

- Proactively monitor, triage, investigate alerts and collaborate with the team on pattern identification.

- Apply structured analytic techniques, data science, and intelligence tradecraft to perform analysis of large attribute, ideational, and relational data sets to identify insider threat actors and investigate indicators of compromise.

- Work cross-functionally with product managers, program managers, security, operations, policy, and communications teams to address gaps in current threat response processes such as detection and mitigation.

- Collaborate with a team of global experts that respond to known threat actors and proactively build and tailor queries to discover and identify potential threats.

- Conduct open source intelligence (OSINT) on emerging insider risks to help fuel proactive detection of risks.

- Author reports on regional trends and patterns and communicate findings, risks, and gaps to both technical and non-technical program stakeholders.

- Manage insider risk incidents per region and as needed for the global team and escalate incidents.