Supporting the Digital Transformation of YKK: Enhancing AWS Usage Standards and Implementation
YKK Corporation
Applied Services: AWS Consulting, Classmethod Members, Organizational Support
Date Published: 09 DEC 2024
YKK Corporation is a globally recognized manufacturer known for its zippers and everyday products, operating across approximately 70 countries and producing over 3 million kilometers of zippers annually. In 2023, as part of its 6th Mid-Term Management Plan, YKK adopted a cloud-first policy — establishing AWS as the primary infrastructure for new system configurations and beginning the work of building governance to match.
Cloud-First Policy Adoption
"We established a policy to prioritize AWS when considering system configuration, moving away from on-premises."
— Ms. Haruka Tajiri, YKK Corporation
YKK's original AWS Usage Standards were developed by a 10-member working group over three months, resulting in a nearly 100-page document. By 2024, four years of real-world AWS adoption had created a significant gap between those original standards and actual operations.
Four-Year Gap Analysis
"There were parts of the AWS Usage Standards that had become completely meaningless. If we leave these outdated or irrelevant rules, even necessary rules eventually stop being followed."
— Mr. Takayuki Minami, YKK Corporation
One telling example: the original standard recommended minimizing the number of AWS accounts, but vendors routinely created separate accounts during development delivery — making the rule impractical and undermining trust in the entire document.
Challenges Before the Revision
- • 2020 AWS Usage Standard misaligned with actual operations after 4 years
- • Many rules had become outdated, irrelevant, or ignored
- • No enforcement mechanisms to ensure rules were applied
- • Limited Infrastructure as Code expertise for consistent deployment
Standards Revision & Implementation (February – August 2024)
Classmethod proposed updating YKK's guidelines using the Classmethod Cloud Guidebook (CCG) — a sample governance framework available to Classmethod Members clients. The revised fourth edition restructured the standards to reflect current usage patterns and included automated enforcement mechanisms for the first time.
"Classmethod's engineers don't just explain what services can do, but provide insight into what's good and what's not."
— Shun Muraki, YKK Corporation
"Guardrails help prevent oversights. No matter how well we define rules, there's always a chance that users might overlook them."
— Mitsuhiro Mizuno, YKK Corporation
AWS CloudFormation
IaC deployment of standardized configurations across multiple accounts
AWS Security Hub
Centralized monitoring platform with automated violation alerts
Amazon GuardDuty
Continuous threat detection across all accounts
IAM Access Analyzer
Identifies overly permissive access policies
Security Monitoring Platform
The Security Hub implementation initially triggered hundreds of alert emails — a temporary challenge that revealed just how many pre-existing issues needed attention.
"It's better to extinguish small fires before they become large ones. Being able to address issues at this early stage is extremely valuable."
— Muraki, YKK Corporation
Results Achieved
- • Fourth edition AWS Usage Standards released August 2024 with functioning guardrails
- • Automated security monitoring with alerts to account owners and AWS CoE team
- • IaC deployment enforcing standards consistently across all accounts
- • Foundation established for governance expansion across 70 countries
Global Expansion Plans
"We need to start working on global IT governance in earnest from now on. We are about to start talking with some overseas divisions, such as those in the EU."
— Ms. Haruka Tajiri, YKK Corporation
"It's reassuring that Classmethod has an office in Berlin and can support us through their local presence."
— Mr. Minami, YKK Corporation
This case study uses AWS Global Utilization Support.
Classmethod's AWS Global Utilization Support helps multinational enterprises establish consistent cloud governance across regions — with local presence in Japan, Berlin, Malaysia, South Korea, India, and Southeast Asia to support global IT operations.