# Problems Opening Thunderhub

**URL:** <https://community.umbrel.com/t/problems-opening-thunderhub/5983>\
**Category:** Bitcoin and Lightning\
**Created:** [January 26, 2022, 7:25pm UTC](https://community.umbrel.com/t/problems-opening-thunderhub/5983 "2022-01-26T19:25:19Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![DarthCoin](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.umbrel.com/darthcoin/32/1628_2.png) [@DarthCoin](https://community.umbrel.com/u/DarthCoin)\
**Post date:** [January 27, 2022, 11:48am UTC](https://community.umbrel.com/t/problems-opening-thunderhub/5983/4 "2022-01-27T11:48:02Z")

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Is NOT the Umbrel password!  
From version 0.4.8 each app in Umbrel have its own password.  
See the announcement for more details

> [@Umbrel 0.4.8 is out with cryptographically secure default app passwords](http://community.umbrel.com/t/umbrel-0-4-8-is-out-with-cryptographically-secure-default-app-passwords/4696/):
>
> Umbrel 0.4.8 is now out with a new security feature — unique cryptographically secure default app passwords derived from your 24 secret words. This will help protect your Umbrel even if an app’s unique Tor URL gets leaked and you have not changed that app’s default password. We’re also currently investigating some incidents where funds were drained from users’ Lightning nodes on various node managers and operating systems, including Umbrel. While there is no evidence that fund…

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_[View the full topic](https://community.umbrel.com/t/problems-opening-thunderhub/5983)._