breached.space
Security tools that show their working.
Check your passwords against real breaches, generate one that can’t be guessed, see what a Bitcoin attack would cost today, find out what websites and photos give away about you, and check a link or email before you trust it. The tools are free and need no account.
Loading what it would take to 51% attack Bitcoin right now…
Passwords
Check what has leaked and make something that won’t.
- Pwned password checkSee if a password appears in known breaches. Only the first five characters of its hash leave your device.
- Dice passphraseGenerate an EFF diceware passphrase in the browser, or roll real dice and type the numbers in.
- Password generatorRandom passwords for your password manager to remember, with the crack time for each length and character set.
- After a breachTick what leaked and get the steps for each kind of data, starting with the ones that can’t wait.
- Breach catalogueliveEvery breach in Have I Been Pwned: who, when, how many accounts and which data.
Bitcoin
How hard the network is to attack, measured from live data.
Accounts
Second factors, which of them stop phishing, and how to keep hold of your phone number.
- 2FA and passkey directoryliveWhich sites support passkeys, security keys, authenticator apps, or only SMS.
- Authenticator appsOpen source or not, encrypted backups, export, and which platforms.
- SIM-swap protectionHow to lock your number at your carrier so nobody can move it to their SIM, and what to do if they already have.
Privacy
What every site learns about you, and how to block the rest.
- What your browser gives awayliveYour IP, network, location and fingerprint as any website sees them, and whether WebRTC leaks past a VPN.
- Adblock test and optionsTest which ad and tracker hosts your setup blocks, then compare blocking in the browser, DNS and network.
- Photo metadata stripperSee the location, camera serial and dates hidden in a photo, then save a copy without them. The photo stays on your device.
Phishing
Check a link, a QR code or an email before you trust it.
Incidents
The largest thefts, breaches and outages, written up from primary sources. All incidents
- The Binance theftalert29 Oct 2026 · On 29 October 2026 attackers took more than $6.3 billion from Binance’s hot wallets on ten blockchains, most of it in about 20 minutes. It is the largest theft of cryptocurrency on record. Binance says customer balances are untouched and it will cover the loss.
- The Bybit theft21 Feb 2025 · North Korean hackers took about $1.5 billion in ether from the exchange Bybit by tampering with the website its staff used to approve transfers. It was the largest theft of cryptocurrency on record until Binance lost more than $6.3 billion in October 2026.