學習
用白話講隱私。
沒有恐嚇，沒有術語牆——只講這些技術到底怎麼運作，包括它的局限。我們對自己的產品同樣坦誠。
你會被強制解鎖手機嗎？
密碼與生物辨識、邊境與日常檢查、強制解密法律——用通俗的語言呈現全貌，以及可否認性如何改變局面。
閱讀詳解什麼是可否認保險庫？
加密隱藏資料的內容；可否認性隱藏資料的存在。合理推諉儲存的原理、歷史和誠實的局限。
閱讀詳解零知識加密，簡明解釋。
隱私領域中最令人安心的短語到底承諾了什麼，揭穿偽裝者的復原路徑測試，以及什麼更強。
閱讀詳解How to hide photos on an iPhone — every method, honestly compared
Hidden album, locked notes, vault apps — what each method actually protects against, and where each leaks.
閱讀詳解How to hide videos on an iPhone — and the traps photos don’t have
Videos add size, thumbnail and preview traps on top of everything photos have. What works and what leaks.
閱讀詳解What photo metadata reveals about you
Location, timestamps, device details — what EXIF data rides along with every photo, what strips it, and what it means for privacy.
閱讀詳解Phone searches at the border: what travellers should understand
Borders give agents broader device-search powers in many countries. How searches work and how travellers prepare — without drama.
閱讀詳解What is a duress PIN — and when does it make sense?
A code that looks like a normal unlock but destroys or conceals data instead. How panic codes work, and their trade-offs.
閱讀詳解Photo vault apps: seven red flags before you trust one
Ads, accounts, "PIN recovery" emails, missing encryption details — how to tell a real vault from a PIN screen over a folder.
閱讀詳解How private are your iCloud photos, really?
What syncs by default, what Apple can access, what Advanced Data Protection changes — and what shared devices reveal.
閱讀詳解Hidden album vs encrypted vault: the difference that matters
Hiding changes display; encryption changes readability. Why that distinction decides what survives real scrutiny.
閱讀詳解Encrypted notes on an iPhone: locked Notes vs real encrypted storage
Locked Apple Notes genuinely encrypt — with visible titles, clumsy attachments and sync caveats. When they are enough and when not.
閱讀詳解Digital legacy: passing on private files without giving up privacy now
How the right person reaches your files one day, without anyone having access now: recovery phrases, sealed envelopes, and traps.
閱讀詳解你的保險庫在等你。
下載 Sealby，把重要的東西鎖好——不用一分鐘，也不必建立任何帳號。
iPhone 與 iPad · iOS 17+ · 免費