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Privacy, explained plainly.

No fear-mongering, no jargon walls — just how this stuff actually works, including the limits. The same honesty we apply to our own product.

The PHP flaws: what they mean for your private data

Two critical PHP flaws put affected websites at risk. Understand what this means for your files, and how local storage and encryption can help.

2 min read

Can an online ad install spyware on your device?

Researchers found government-grade spyware delivered through targeted online ads, with no click needed. What happened, who was really at risk, and the simple steps that keep you safer.

4 min read

Can a linked device read your encrypted chats?

End-to-end encryption protects a message on the way. A linked device reads it after it is unlocked — what that means, and how to check your own account.

3 min read

Can AI assistants read the files on your computer?

Apple is tightening a Mac permission after reports that an AI assistant read a user’s private messages. What “Full Disk Access” really means, why AI assistants change the picture, and how to stay in control.

3 min read

What is an encryption backdoor?

A backdoor is a secret way past encryption — a spare key that lets someone else read your private data. What that means, why experts worry, and what the Apple/UK case shows.

3 min read

More sites are asking for your ID. Here is what happens to it.

More sites now ask for your ID or a face scan to prove your age. Where that photo goes, the real risk, and simple ways to share less.

4 min read

Can passkeys be phished?

Passkeys resist fake login pages — but scammers now target the weaker backup methods sitting beside them. Here is the trick and how to stay safe.

3 min read

The fake “verify you’re human” scam

A fake “verify you’re human” box asks you to press a few keys. Doing that can install malware — here is how to recognise the ClickFix trick.

3 min read

Is your smart TV listening?

What a large investigation found on LG smart TVs, what LG disputes, and the free settings that turn off content tracking and ad targeting.

5 min read

Can the apps on your phone share your private data?

How everyday apps can share sensitive details with advertisers and analytics firms, what the recent £26M dating-app settlement actually involved, and how to keep private information on your own device.

3 min read

What is Pegasus spyware?

What Pegasus spyware is, why “zero-click” attacks are rare and aimed at specific people, and the free iPhone settings that lower your risk.

4 min read

What is an "infostealer" — and why a strong password may not be enough

Infostealers copy your saved passwords and live login cookies straight off your device, slipping past even two-factor. Here is how they work — and the simple habits that stop them.

4 min read

Your locked phone isn't as locked as you think

A WhatsApp flaw lets someone holding your locked Android phone open your camera roll through a video call. The 2-minute permission fix, and why a lock screen is not a vault.

4 min read

Could a new law scan your private messages? The debate over "client-side scanning"

A proposal in Europe would scan your messages on your own phone, before they are encrypted. What "client-side scanning" means, in plain words.

3 min read

What your internet provider can still see

HTTPS hides what you do on a site, not always which site you opened. Here is the last privacy gap — and how Encrypted Client Hello, now on by default in Android 17, closes it.

3 min read

Where should you keep your will?

Where to keep the signed original, what to keep digitally, and how to make both easy to find.

3 min read

Do you still need a bank safe-deposit box?

What needs physical storage, what needs an original paper, and what works better as encrypted information.

2 min read

How to lock photos on iPhone (and password-protect them)

How the iPhone Hidden album lock works, its limits, and when a separate encrypted vault with its own PIN fits better.

2 min read

Why your family needs a code word

A free check for urgent AI voice impersonation calls: choose a private code word and practise the callback rule.

2 min read

Where should you keep your seed phrase?

Paper, metal, split copies and memory — the honest trade-offs, plus the digital places a seed phrase should never go.

4 min read

Has your password leaked? How to check — and what it actually means

How private password checks work, what a match really proves, and the three fixes to make in order.

3 min read

Is your journal app actually private?

Apple Journal, dedicated apps and ordinary notes — who can read them, how recovery works, and the questions that expose weak privacy.

4 min read

How QR codes can be misused

Sticker swaps, hidden redirects and payment tricks — what QR codes can do, and how to use them with more care.

3 min read

What is a zero-knowledge proof?

Prove a fact without revealing the private details behind it. A simple guide to zero-knowledge proofs, where they are used, and how they differ from zero-knowledge encryption.

3 min read

What is end-to-end encryption?

A plain-English guide to end-to-end encryption: how messages stay private between people, what metadata can still reveal, and why backups and devices matter.

3 min read

How strong is AES-256 encryption?

What AES-256 means, why brute force is unrealistic, and why your password and device still matter.

3 min read

What is the Secure Enclave?

The protected iPhone system behind keys, Face ID, Apple Pay and encrypted apps.

2 min read

Will quantum computers break your encryption?

Which encryption quantum computers may threaten, why AES-256 files remain safe, and what is changing online.

2 min read

What is a brute-force attack?

Why long passphrases beat short complex passwords, and how devices slow attackers down.

2 min read

What is a passkey?

Sign in without passwords, avoid phishing, and protect your device account.

2 min read

What is Advanced Data Protection for iCloud?

Apple's optional iCloud privacy upgrade: what it protects, excludes, and requires for recovery.

2 min read

The duress password felony: when deleting your data becomes the crime

A border stop, a wiped phone, a felony charge. Why deleting under pressure backfires — and what deniability does instead.

3 min read

The Coldcard bug: why a silent randomness failure can’t reach your vaults

Wallets drained after a silent randomness failure. Why that can’t quietly happen to a Sealby vault — and how you can check.

2 min read

Set up iCloud sync: pair your devices, choose which vaults follow you

Turn on backup, pair your devices, pick which vaults sync. The full setup guide — and why each step exists.

5 min read

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.

3 min read

How to hide videos on 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.

2 min read

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.

2 min read

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.

2 min read

What is a duress PIN — and when does it make sense?

A code that looks like a normal unlock but conceals, removes or destroys data instead. How panic codes work, and their trade-offs.

2 min read

Are photo vault apps safe? 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.

2 min read

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.

2 min read

Is the iPhone Hidden album private? Hidden vs encrypted

Hiding changes display; encryption changes readability. Why that distinction decides what survives real scrutiny.

2 min read

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.

2 min read

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.

2 min read

Can you be forced to unlock your phone?

Passcodes vs biometrics, borders vs ordinary stops, compelled-decryption laws — the landscape in plain English, and how deniability changes it.

2 min read

What is a deniable vault?

Encryption hides what data says; deniability hides that it exists. How plausible-deniability storage works, its history, and its honest limits.

2 min read

Zero-knowledge encryption, explained.

What the most reassuring phrase in privacy really promises, the recovery-path test that exposes pretenders, and what is stronger still.

2 min read

Your vault is waiting.

Download Sealby and protect what matters. Setup takes under a minute, and there’s no account to create.

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