We are seeking a Threat Intelligence and Fraud Prevention Specialist to join our global cybersecurity team. In this hybrid role, you will be the driving force in identifying, analyzing, and mitigating external and internal cyber threats, with a special focus on investigating and handling fraudulent activities on our platform. You will transform raw threat and fraud data into actionable intelligence, protecting our data, customers, and company reputation. **Responsibilities:** * **Threat Intelligence Lifecycle:** Lead the complete cyber threat intelligence (CTI) lifecycle, from data collection on open sources (OSINT), dark web, and technical sources, through analysis, production, and dissemination of reports to technical and executive stakeholders. * **Analysis and Classification:** Analyze, classify, and correlate malicious activities, including malware, phishing campaigns, Tactics, Techniques, and Procedures (TTPs) of threat actors, and emerging fraud patterns. * **Fraud Investigation and Response:** Serve as the focal point for investigating fraud incidents such as *Account Takeover* (ATO), payment fraud, platform abuse, and identity theft. Develop and enhance incident response playbooks. * **Indicator Management:** Document and manage Indicators of Compromise (IoCs) and Indicators of Attack (IoAs) within our Threat Intelligence Platform (TIP), ensuring data is used to strengthen our defenses (SIEM, EDR, Firewalls). * **Fraud Pattern Analysis:** Use data analysis techniques to identify patterns and anomalies in large volumes of transactional data, aiming for proactive detection and development of fraud prevention rules. * **Strategic Collaboration:** Actively collaborate with Incident Response, Offensive Security (Red Team), and Engineering teams to translate threat intelligence and fraud findings into concrete actions, such as prioritizing hardening, simulating TTPs, and developing new security controls. * **Communication and Reporting:** Develop and deliver reports, risk metrics, and intelligence briefings to leadership, clearly and objectively communicating complex threats and fraud trends. * **Mentorship and Innovation:** Serve as a mentor to junior team members, document processes, and drive continuous improvement of intelligence and anti-fraud tools and workflows. **Required Qualifications:** * Solid professional experience in Cybersecurity, with proven track record in Threat Intelligence (Cyber Threat Intelligence \- CTI) and Fraud Analysis/Investigation. * Deep understanding of the intelligence lifecycle and analytical frameworks such as MITRE ATT\&CK®, Cyber Kill Chain®, and the Diamond Model. * Practical experience investigating digital fraud, including transaction fraud, synthetic identity abuse, and *Account Takeover* (ATO). * Experience with CTI tools, such as Threat Intelligence Platforms (TIPs), and security analytics platforms (SIEM, EDR). * Strong analytical skills to work with large datasets, using languages such as SQL and/or scripting (Python is a strong plus). * Excellent verbal and written communication skills to produce detailed reports and present findings to diverse audiences. * Advanced/Fluent English for communication with global teams, reading technical reports, and engaging with the international security community. **Desired Qualifications (Preferred):** * Security certifications such as GCTI (GIAC Cyber Threat Intelligence), GREM (GIAC Reverse Engineering Malware), or CFE (Certified Fraud Examiner). * Experience monitoring dark web forums and cybercriminal communication channels. * Knowledge in static/dynamic malware analysis. * Prior experience in datatech, fintech, or e\-commerce environments. **ATTENTION!** **This position follows a hybrid work model, requiring three days per week onsite at our office in Barueri/SP \- therefore, candidates must reside in São Paulo or in areas with easy commuting access.**