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防禦性網絡安全 —— 安靜、警醒、常作準備| Defensive Cyber Security — Be Still, Alert, and Prepared 

  • Writer: josephyu4
    josephyu4
  • Mar 12
  • 3 min read

今天我收到 StackSkills 的一封電郵，裡面有一句話吸引了我的注意：

“The Skill Every Applicant Needs.”

那麼，今天每一位求職者真正需要的是甚麼技能呢？

今天每一位求職者真正需要的是甚麼技能呢?
今天每一位求職者真正需要的是甚麼技能呢?

有趣的是，答案不是駭客技術，而是 防禦性網絡安全。


我很喜歡 defensive 這個字。

它的意思不是學習入侵別人，而是學習如何在網上保護自己——保護你的帳戶、裝置、密碼和資料。


不久前，一位香港朋友傳給我一個連結。當我點擊時，NordVPN 立即跳出警告，提醒我那連結可能有危險。後來我告訴那位朋友，他卻說自己使用 Apple VPN 的保護工具時，並沒有收到同樣的警告。這讓我想到：不是每一種保安工具都能偵測到相同的威脅，而今天的網絡安全，也需要我們保持警醒，而不是憑感覺作判斷。


只需 35 美元，這個課程組合本身就聚焦於實用的防護內容：Wireshark、Splunk、防火牆、IAM、ISO 27001、漏洞掃描工具等等——根據課程頁面，合共 12 個課程、54 小時訓練。


這個課程組合本身就聚焦於實用的防護內容：Wireshark、Splunk、防火牆、IAM、ISO 27001、漏洞掃描工具等等——根據課程頁面，合共 12 個課程、54 小時訓練。
這個課程組合本身就聚焦於實用的防護內容：Wireshark、Splunk、防火牆、IAM、ISO 27001、漏洞掃描工具等等——根據課程頁面，合共 12 個課程、54 小時訓練。

而且，這方面的需要是真實存在的。FBI 指出，2024 年已通報的網絡罪案損失超過 160 億美元。FTC 表示，2024 年已通報的詐騙損失超過 125 億美元。在加拿大，2024 年已通報的詐騙損失也超過 6.38 億加元——而有關當局還指出，許多個案其實從未被舉報。


所以，真的可以說一句：以退為守。

停一停，先核實，再防守。

這也許正是我們這個時代最實際的生活技能之一。


無論在信仰裡，還是在日常生活中，安靜 並不等於 被動。

它的意思是：心裡穩妥，保持警醒，常作準備。

一顆平靜的心，能夠清楚思考；一個警醒的頭腦，能夠避開危險；一個常常禱告的靈，能夠行事有智慧。


「你們要休息，要知道我是神。」—— 詩篇 46:10


有興趣的朋友，可以在這裡看看更多資料：




Defensive Cyber Security — Be Still, Alert, and Prepared

 

I received an email today from StackSkills with this line: “The Skill Every Applicant Needs.” What is that skill today?

 

The Skill Every Applicant Needs
The Skill Every Applicant Needs

Interestingly, it is not hacking, but defensive cybersecurity.

 

I like that word: defensive.It means learning how to protect yourself online — your accounts, your devices, your passwords, and your data.

 

Not long ago, a friend sent me a link, and when I clicked it, NordVPN warned me that it might be dangerous. My friend said his own Apple VPN setup did not flag it. That was a reminder: not every tool catches the same threats, and online safety now requires alertness, not assumptions. Hope none of his personal data has ended up on the deep web.

 

For $35, this bundle itself focuses on practical protection: Wireshark, Splunk, firewalls, IAM, ISO 27001, vulnerability tools, and more — 12 courses and 54 hours of training, according to the course page.


The 2026 Complete Defensive Cyber Security Bundle: Master Real-World Cyber Security with 12 Hands-On Courses Covering Wireshark, Splunk, Fortinet, IAM, ISO 27001 & More in 54 Hours of Expert Training.
The 2026 Complete Defensive Cyber Security Bundle: Master Real-World Cyber Security with 12 Hands-On Courses Covering Wireshark, Splunk, Fortinet, IAM, ISO 27001 & More in 54 Hours of Expert Training.

 

And the need is real. The FBI says reported internet crime losses in 2024 exceeded US$16 billion. The FTC says reported fraud losses in 2024 exceeded US$12.5 billion. In Canada, reported fraud losses in 2024 were over C$638 million — and authorities say many cases are never reported.

 

So yes — 以退為守. Pause. Verify. Defend.That may be one of the most practical life skills of our time.

 

In both faith and daily life, being still does not mean being passive. It means being grounded, alert, and prepared. A calm heart can think clearly, a watchful mind can avoid danger, and a prayerful spirit can walk wisely. 

 

“Be still, and know that I am God.” — Psalm 46:10

 

For those interested, here is the link for more info:

 

 
 
 

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