In an era where cybersecurity stands at the forefront of digital transformation, Indonesia’s cybersecurity leaders are making their mark on the global stage. LinkedIn has become the premier platform where these security veterans share their expertise, influence industry trends, and build meaningful connections.
Join us as we spotlight Indonesia’s Top 5 Most-Followed CISOs who are not just safeguarding their organizations but are actively shaping the cybersecurity landscape through their thought leadership and invaluable insights on LinkedIn.
1. Andri Purnomo – CISO, PT Bank Syariah Indonesia Tbk.
4,520 Followers on LinkedInHe is a visionary Chief Information Security Officer (CISO) with over two decades of experience dedicated to empowering businesses through resilient cybersecurity frameworks. Known for strategic leadership in Information Security, Risk Management, and Cyber Defense, he has implemented scalable, innovative security solutions in dynamic environments while ensuring compliance with international standards like ISO 27001 and PCI-DSS. His accomplishments include being recognized as a Top 30 CSO in ASEAN and Hong Kong for three consecutive years (2021–2023) and named among the Top 20 Global Security Influencers by IFSEC London in 2022. Passionate about mentoring future cybersecurity leaders, he is a sought-after speaker at global conferences, sharing insights on emerging threats and advanced defense strategies.
LinkedIn Profile: https://www.linkedin.com/in/apurnomo/
2. Lumban S. – SVP, CISO-Infosec and Application Mgmt Division Head, PT Bank Multiarta Sentosa Tbk (Bank MAS)
With over 17 years of experience, this IT professional excels in driving innovation and operational excellence across finance, telecom, and startups. Specializing in cloud computing, DevOps, information security, and digital transformation, they have successfully led teams of 50+ professionals and implemented DevSecOps practices that improved security and efficiency. Their expertise in AWS, Kubernetes, Terraform, and CI/CD pipelines has led to a 35% reduction in downtime, 30% cost optimization, and 25% improvement in system resilience. Passionate about using technology to solve complex challenges, they are open to senior leadership roles in IT operations, cloud transformation, and security strategy.
LinkedIn Profile: https://www.linkedin.com/in/lumbans/
3. Bobby Siagian – CISO, Rey.id
He is a dedicated technologist and co-founder of Rey.id, a healthtech and insurtech startup revolutionizing life and health insurance through a proprietary technology platform. With over 12 years of experience in development and engineering, he has built Rey.id’s tech product from the ground up, leveraging AI/ML, OCR, EHR, EMR, and other advanced tools to deliver a seamless, paperless insurance experience with holistic coverage, personalized offers, and affordable premiums. Bobby leads and mentors engineering teams, drives impactful projects, and works across diverse tech stacks, including Typescript, Golang, ReactJS, Kubernetes, and Terraform. Passionate about using technology for social good, he is on a mission to make health and life insurance accessible, affordable, and convenient for all.
LinkedIn Profile: https://www.linkedin.com/in/bobbysiagian/
4. Purnama Sulfa – CISO, Bank Mandiri Taspen
An experienced Head of Security Operations with a proven track record in the banking industry, demonstrating expertise in managing security incident handling processes, identity and access management, network security, and infrastructure and endpoint security products. Known for strong analytical skills, strategic planning, and a logical approach to problem-solving, they excel in communication and interpersonal development. With a strong understanding of algorithms and a strategic mindset, they effectively safeguard organizational assets while driving security enhancements in dynamic environments.
Linkedin Profile: https://www.linkedin.com/in/purnamasulfa/
5. Farina Mutia – CISO, UOB
She is a distinguished professional with over 15 years of experience in technology auditing, IT security, risk, and controls within the financial services industry, leading engagements across Indonesia and Asia-Pacific. Recognized as Cyber Woman of the Year 2023 by the IndoSec Award and a CEO Award Finalist in 2022, she has consistently demonstrated excellence, earning accolades such as Best IT Team Leader and Best Team Leader, along with certificates of appreciation for exceptional performance at Bank UOB Indonesia. A graduate of Binus University with a Cum Laude GPA in Information Systems and Economic Management, she holds multiple certifications, including ECIH, CDPSE, CISA, ABCP, CEH, and CCNA. Her expertise in security, risk management, and leadership continues to drive impactful results in the financial sector.
LinkedIn Profile: https://www.linkedin.com/in/farina-mutia-73742a2a/
Disclaimer: The content of this blog is based on research conducted by CXO Junction using keywords such as “Most followed CISOs in Indonesia” The primary source of this research is LinkedIn. The information provided is intended for informational purposes only and reflects the data available at the time of the research. While efforts have been made to ensure accuracy. Source: LinkedIn
