# User able to write over data

**URL:** <https://community.glideapps.com/t/user-able-to-write-over-data/61744>\
**Category:** Report a Bug\
**Created:** [May 14, 2023, 8:57am UTC](https://community.glideapps.com/t/user-able-to-write-over-data/61744 "2023-05-14T08:57:10Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![saucy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/saucy/32/21556_2.png) [@saucy](https://community.glideapps.com/u/saucy)\
**Post date:** [May 14, 2023, 8:57am UTC](https://community.glideapps.com/t/user-able-to-write-over-data/61744/1 "2023-05-14T08:57:10Z")

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Woke up to find that **my user row** had been overwritten with data from another user. Luckily this was spotted in time and it doesn’t seem to have impacted things on the app.

But this hasn’t happened to me before and I’m very confused as to how this has been possible! It’s also concerning as if this was done by someone with nefarious intent, it could be disastrous.

Any guidance on how to prevent this happening again would be much appreciated.

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**Author:** ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)\
**Post date:** [May 14, 2023, 9:17am UTC](https://community.glideapps.com/t/user-able-to-write-over-data/61744/2 "2023-05-14T09:17:43Z")

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You either need to:

- Use row owners, or
- Filter (and allow editing) where email is signed in user

The first option is the most secure.

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<div class="post-metadata">

**Author:** ![saucy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/saucy/32/21556_2.png) [@saucy](https://community.glideapps.com/u/saucy)\
**Post date:** [May 14, 2023, 9:27am UTC](https://community.glideapps.com/t/user-able-to-write-over-data/61744/3 "2023-05-14T09:27:21Z")

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Thank you Darren!

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**Author:** ![system](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/system/32/53398_2.png) [@system](https://community.glideapps.com/u/system)\
**Post date:** [May 15, 2023, 9:27am UTC](https://community.glideapps.com/t/user-able-to-write-over-data/61744/4 "2023-05-15T09:27:37Z")

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