Shahidul S.
Dhaka, Bangladesh · Vice President & Head of IT Security (CISO) · Dutch-Bangla Bank PLC
National University
6 followers
About
Senior cybersecurity and technology executive with over 19 years of leadership experience in tier-1 banking. Specialized in enterprise security strategy, regulatory compliance, and cyber resilience, currently serving as CISO at a leading commercial bank.
Specialties
- Governance & Compliance
- Network Defense
- Risk Management
- Security Architecture
- Security Engineering
Skills
- SIEM
- PAM
- DLP
- VAPT
- SAST
- Endpoint Security
- NBA
- PKI
- Microservice architecture
- Virtualization
27 skills in total
Licenses & Certifications
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AWS Certified Solutions Architect – Professional
Amazon Web Services
Issued Mar 2026 · Expires Mar 2029
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Certified Information Systems Security Professional
ISC²
Issued Feb 2026 · Expires Jan 2029
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Certified Information Security Manager
ISACA
Issued Dec 2025
4 certifications in total
Experience
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Dutch-Bangla Bank PLC
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Vice President & Head of IT Security (CISO)
Jan 2024 — Present
Dhaka, Bangladesh
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Deputy Head, IT Operations
Jan 2023 — Oct 2025
Dhaka, Bangladesh
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Deputy Head, IT Security
Jan 2016 — Jan 2022
Dhaka, Bangladesh
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4 experiences in total
Education
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National University
M.Sc., Computer Science
Not Specified
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National University
B.Sc., Computer Science
Not Specified
Recent posts
Many cybersecurity strategies focus on vulnerabilities, malware, and identity controls.
But in financial systems, I often see a deeper risk that receives far less attention: 𝗶𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲.
In large banking platforms, a single transaction can pass through multiple layers — application servers, middleware, messaging systems, databases, and network components.
Each layer may be individually secure.
Yet the 𝘀𝘆𝘀𝘁𝗲𝗺 𝗮𝘀 𝗮 𝘄𝗵𝗼𝗹𝗲 can still be fragile.
For example:
• A poorly designed concurrency model can create transaction race conditions.
• Infrastructure bottlenecks can amplify denial-of-service impact.
• Failover architecture may unintentionally expose data integrity risks during disaster recovery.
In other words, security is not only about protecting components — it is about 𝗵𝗼𝘄 𝘁𝗵𝗲 𝘀𝘆𝘀𝘁𝗲𝗺 𝗯𝗲𝗵𝗮𝘃𝗲𝘀 𝘂𝗻𝗱𝗲𝗿 𝘀𝘁𝗿𝗲𝘀𝘀.
As financial platforms scale toward millions of daily transactions, the intersection of 𝗰𝘆𝗯𝗲𝗿𝘀𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗮𝗻𝗱 𝗶𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 becomes increasingly critical.
Curious to hear how others in the security community approach this challenge, especially in large-scale financial systems.
#CyberSecurity #FinTech #BankingTechnology #InfrastructureSecurity