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A comment on New Mac ransomware spreading through piracy. Parent comment

Re:New Mac ransomware spreading through piracy by giancarlostoro on Wednesday July 01, 2020 @06:43AM (#23700021)
You may want to consider archiving some of those backups to an external drive that is only hooked up to store new data maybe? Or maybe theres something you can do for the network drive
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Re:New Mac ransomware spreading through piracy by cutemonster on Wednesday July 01, 2020 @09:45AM (#23701229)
Append-only external disk, is there sth like that?

And one flips a hardware switch to start overwriting from the beginning, if disk full

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Re:New Mac ransomware spreading through piracy by giancarlostoro on Wednesday July 01, 2020 @12:38PM (#23703428)
I think a network based one in theory should be capable of doing so with the right OS / configuration, but not sure about a hardware based one

https://en.wikipedia.org/wiki/Write_once_read_many

This is the acronym I saw on HN somewhere though, WORM.

Edit: Upon further research its kind of annoying that this isn't more common for NAS / cloud storage solutions. I think some like Dropbox do keep revisions on the other hand.

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Re:New Mac ransomware spreading through piracy by cutemonster on Thursday July 02, 2020 @04:58PM (#23718005)
Syncthing can save revisions, and is open source -- I remember now

https://docs.syncthing.net/users/versioning.html

Lots of config options

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