Incident Response Analyst - React

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Locations - Bengaluru, India About the Role Cloudflare is a system spanning the globe, on a mission to make the internet safer and more powerful everyday. To help fulfill this mission, we are seeking a talented Incident Response Analyst to join us in growing our Cloudforce One REACT organization. In this role, you will be instrumental in building a proactive and threat intelligence-driven approach to protecting Cloudflare and its customers from sophisticated and evolving threat actors. As a REACT Consultant, you will respond to customer security incidents across on-premises, cloud, and hybrid environments. This position requires an innovative, self-starting, and detail-oriented problem solver with a passion for analyzing, tracking, and triaging malicious activity. You will engage with customers at all levels—including Executive, VP, Director, and engineering levels—serving an integral role alongside forensic analysts, threat researchers, detection engineers, and malware analysts to detect, isolate, and mitigate threats. Responsibilities 1. Incident Response & Active Edge Mitigation - Active Edge Mitigation: Execute immediate defensive maneuvers at the Cloudflare edge to protect customer availability. This includes deploying custom WAF rules, implementing L3/L4 DDoS shunning, and performing real-time traffic filtering to neutralize attacks before they reach the customer's origin. - Support Full IR Lifecycle Management: Support and execute the end-to-end incident response process for clients (investigation, containment, remediation, and recovery). Review technical deliverables and coordinate sessions with customer stakeholders to ensure high-quality service and resolution. - Incident Remediation: Build a strong understanding of targeted attacks to create and execute customized tactical and strategic remediation plans for compromised organizations. Desirable Skills, Knowledge, and Experience - Education: Bachelor's degree in Computer Science, Information Systems, Cybersecurity, a related technical field, or equivalent training/practical experience. - Experience: 5+ years of overall experience in cybersecurity, including 2+ years of dedicated Incident Response OS & Cloud Environments: In-depth understanding of Windows operating systems and general knowledge of Unix, Linux, and Mac environments. Familiarity with cloud environments (AWS, Azure, O365, Google Cloud, Cloudflare) and cloud IR methodologies. - Network and Web Attack Knowledge: Strong understanding of common L3/L4/L7 attack patterns, including SYN floods, UDP floods, DNS amplification, HTTP floods, credential stuffing, scraping, API abuse, account enumeration, and checkout abuse. - Experience with JA3/JA4 fingerprinting, bot detection, behavioral traffic analysis, or API abuse investigations. - Experience supporting customers during live DDoS, bot, or application-layer attack events. - Solid understanding of MITRE ATT&CK and NIST Cyber Security Frameworks. - Communications: English Fluency, Excellent verbal and written communication skills with a proven ability to establish relationships and clearly explain tasks, guidance, and complex technical findings to executive and technical clients. Bonus Points - Networking, Routing, and BGP Operations: Strong understanding of internet routing fundamentals, including BGP, Anycast, DNS, TCP/IP, GRE/IPsec tunneling, routing policies, prefix announ

Education: Bachelor's degree in Computer Science, Information Systems, Cybersecurity, a related technical field, or equivalent training/practical experience. Experience: 5+ years in cybersecurity, including 2+ years in dedicated Incident Response. OS/Cloud: In-depth understanding of Windows operating systems; general knowledge of Unix, Linux, and Mac; familiarity with cloud environments (AWS, Azure, O365, Google Cloud, Cloudflare) and cloud incident response methodologies. Network/Attack knowledge: Strong understanding of L3/L4/L7 attack patterns (SYN floods, UDP floods, DNS amplification, HTTP floods, credential stuffing, scraping, API abuse, account enumeration, checkout abuse). Experience with JA3/JA4 fingerprinting, bot detection, behavioral traffic analysis, or API abuse investigations. Experience supporting customers during live DDoS, bot, or application-layer attack events. Knowledge of MITRE ATT&CK and NIST Cyber Security Frameworks. Communications: Fluent English, strong verbal and written communication, ability to explain technical findings to executives and technical clients. Bonus: Networking, routing, and BGP operations knowledge.

1. Incident Response & Active Edge Mitigation - Execute immediate defensive maneuvers at the Cloudflare edge to protect customer availability, including deploying custom WAF rules, implementing L3/L4 DDoS shunning, and real-time traffic filtering. - Support full incident response lifecycle for clients (investigation, containment, remediation, recovery) and coordinate with customer stakeholders to ensure high-quality service. - Incident remediation: develop understanding of targeted attacks to create and execute customized remediation plans for compromised organizations.