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Update on the @Alby attack: ⚠️ IT’S WORSE THAN I THOUGHT! ⚠️ What I believe is happening is someone is using the public Lightning addresses from Nostr profiles to doxx everyone’s registered email address on Alby. By simply entering a valid Alby address, the login page LEAKS the corresponding email address. This means that the purpose of the attack is not so much to breach your Alby account, it’s to collect emails of Alby users for future phishing attacks. image

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Responsible disclosure matters and this is not the way to do it… I have already PMed @bumi. While there is urgency for people to change their emails to a throwaway, you should not be disclosing how/why it works. We don’t need 1000 people with access to the e-mails instead of 1. Attackers are usually faster than users/devs too.
------------------------------------------------- Privacy and Other Related Stuff ------------------------------------------------- Keep private. 1️⃣Use email alias forever on each service 2️⃣Use 2FA - not sms - whenever possible 3️⃣Delete all services that you dont use 4️⃣Encrypt everything. No busques la perfecciΓ³n. Una acciΓ³n cada vez y mejorar cada dΓ­a. ------------------------------- End of transmission -------------------------------
The Daniel πŸ––'s avatar The Daniel πŸ––
Update on the @Alby attack: ⚠️ IT’S WORSE THAN I THOUGHT! ⚠️ What I believe is happening is someone is using the public Lightning addresses from Nostr profiles to doxx everyone’s registered email address on Alby. By simply entering a valid Alby address, the login page LEAKS the corresponding email address. This means that the purpose of the attack is not so much to breach your Alby account, it’s to collect emails of Alby users for future phishing attacks. image
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FWIW - email from Alby Support: Overnight we have received notices of some unusual requests to our infrastructure. Over a short period of time many password reset emails had been requested from various residential proxies around the world. Our rate limiting protects against spamming attacks but requests got through to request password reset emails. Many of the requests are likely for emails that had been included in some data breach or have been publicly exposed by their owner. Password request emails also have been requested for lightning addresses which falsely exposed the user's email address. This had been a feature deployed to help users keep easy access to their accounts. But as many users post their lightning address on profiles like nostr this should not be exposed and a fix has been deployed immediately. Generally there should be no way to display a user's email address. We have failed here. About 5500 password reset emails had been requested by the attacker. We have not seen any abnormal related login activity and accounts are safe. People who got a password reset email can ignore the email. As we have seen a general increase in attacks on user accounts trying to brute force logins with some emails from some data leaks we have fully disabled password logins and require all users to login with the one time token. This adds an another layer of security. Additionally we also offer the option to login with Google. Please note: only Alby Accounts use email-based login. Alby Hub, the Alby Browser Extension, and Alby Go are not affected.
HOLY SHIT, WHAT A MESS πŸ€‘ πŸ‘‡
The Daniel πŸ––'s avatar The Daniel πŸ––
Update on the @Alby attack: ⚠️ IT’S WORSE THAN I THOUGHT! ⚠️ What I believe is happening is someone is using the public Lightning addresses from Nostr profiles to doxx everyone’s registered email address on Alby. By simply entering a valid Alby address, the login page LEAKS the corresponding email address. This means that the purpose of the attack is not so much to breach your Alby account, it’s to collect emails of Alby users for future phishing attacks. image
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