Add ssd in en

Signed-off-by: Toomore Chiang <toomore0929@gmail.com>

Author: toomore

en/material/ssd.md

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+---
+title: Shield of Self-Defense (SSD)
+icon: lucide/brick-wall-shield
+---
+
+# :lucide-brick-wall-shield: Shield of Self-Defense (SSD)
+
+This is a cybersecurity training website built for Taiwanese civil society groups and nonprofits. Written in Chinese, it serves both general staff and management. In the face of increasing digital threats and targeted attacks, we provide easy-to-use learning resources and implementation processes that can be put into practice within your organization, helping you build a robust, secure digital work environment with limited staff and budget. If you’re not proficient in English but need a workable plan to improve your team’s cybersecurity, this is your starting point.
+
+## The Website
+
+What you’ll get:
+
+- Easy-to-adopt implementation process: asset inventory (What), adversary identification (Who), likelihood and impact assessment, and building a threat model tailored to your context.
+- Behavior guidelines and policy templates across eight themes[^1]: choose a basic or advanced version based on your organization’s size and needs to craft sustainable digital security policies.
+- Course topics: focused on essential digital security knowledge for civil society groups; structured progressively, easy to understand and put into practice.
+- How-to guides: clear, step-by-step instructions for installing and configuring devices, operating systems, and software.
+- Progress tracking: site assessment record forms and post-class task checklists, paired with the how-to guides to review implementation results and learning progress.
+- Learning resources: curated materials for continued improvement.
+- Q&A and consultation: an expert team on standby to answer practical questions and support the entire implementation process.
+
+Who it’s for:
+
+- Full-time staff and volunteers of civil society groups, NGOs, and NPOs
+- Organizational leadership, information liaisons, IT departments, and project or department leads
+- Teams with limited budgets or manpower, or those not fluent in English, that urgently need to strengthen internal cybersecurity
+
+## More Informations
+
+- Shield of Self-Defense (SSD): <https://ssd.ocf.tw>{target="_blank"}
+- Defending and Documenting Digital Threats for HRDs in Taiwan: <https://ocf.tw/en/p/defendhrd/>{target="_blank"}
+
+[^1]: The eight themes are: Risk Assessment, Device Security, Authentication, Internet Use Practices, Encrypted Communications, Account Management, Data Management and Backup, and Overseas Business Travel.