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My Waifu Is Not Safe

  • 我們每天都使用 Wifi，但你知道你的資料可能會被偷看嗎？
  • 你在女僕咖啡廳連接 Wifi，結果你的密碼被攻擊者偷走了！
  • CONTENT
    1. wifi 傳輸可能遇到的風險
    2. 攻擊者可以做什麼
    3. 如何保護自己免受威脅

駭客

Image Not Showing Possible Reasons
  • The image was uploaded to a note which you don't have access to
  • The note which the image was originally uploaded to has been deleted
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Image Not Showing Possible Reasons
  • The image was uploaded to a note which you don't have access to
  • The note which the image was originally uploaded to has been deleted
Learn More →
  • wifi 被監聽的可能性
    • 公共 wifi（如咖啡廳或機場）容易被攔截。
    • 家庭 wifi 若使用弱密碼或過時設備，也可能被攻擊。
  • 哪些數據容易洩露？
    • 即使加密傳輸，如設備位置、流量時間等資訊還是能被記錄。
  • 攔截未加密內容
  • HTTP 內容注入
  • TCP 連接劫持
  • 碎片攻擊 (FragAttacks)
    • 所有 wifi 設備都至少存在一個漏洞 (至 2021)
    • 明文注入攻擊
    • 聚合攻擊 (aggregation attack)
    • 混合金鑰攻擊 (mixed key attack)
    • 碎片快取攻擊 (fragment cache attack)
  • 流量劫持
  • 避免使用開放 wifi，盡量使用有密碼的網路。
  • 公共場所可考慮使用手機熱點。
  • 更新路由器的韌體，設置 WPA3 或 WPA2 密碼加密。
  • 使用強密碼

END

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