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Ask HN: How secure are private Git repositories?
Would you use them to version sensitive data?
Would Gitlab/Github have access to the underlying content/history?
I wouldn’t use them to store passwords or banking-related information, though how about medical/income/taxation documents or information?
- rvz 6y ago> Would you use them to version sensitive data? If you are using a self-hosted version of Github or preferably GitLab then yes. However, If you're on GitHub or GitLab's cloud version then it's not secure and you have zero control, even if its private. > Would Gitlab/Github have access to the underlying content/history? Who knows. But the first answer tells you that you will have more control in a self-hosted environment over a cloud based version and I wouldn't risk putting sensitive data there unless I have complete control with a self-hosted open-source version (GitLab). > ...though how about medical/income/taxation documents or information? Well that's very sensitive data equivalent to bank-level information, which can be used as a reason for others to determine your job, insurance or loan choices. Thus, should be treated as sensitive too.
- lma21 6y agoYou're right on the sensitivity of such data... better to go with a self-hosted gitlab.
- antoineMoPa 6y agoBut if you fail to update it, you leave unpatched security holes. In practice, using a cloud version could be better.
- sigjuice 6y agoWhere would this self-hosted gitlab be hosted?
- colejohnson66 6y agoExactly. Just wait until a GitHub bug or a PEBKAC causes your private GitHub (cloud based) repo to go public and leak sensitive information (a la AWS’ buckets)
- onebot 6y agoI have often wondered this myself. Considering if github was ever compromised, could an attacker modify your source code without your knowledge. Seems like a holy grail of attacks. What would be interesting if there was some at-rest encryption and maybe some audit functionality.
- Znafon 6y agoYou would notice, the hash of the commit would change and you would get an error message in Git. If this is a vector attack your are worried about, you should sign Git tags with your PGP key and then you would notice any change in the history, each commit depends on its ancestors so signing a tag ensure no older commit can be changed too.
- colejohnson66 6y agoHashes, while sometimes clumsy[0], are an advantage in this instance over, say, SVN or CVS (which use monotonicly increasing commit IDs). [0]: Every time I want to find a commit’s parent(s) in Git, I have to look up the command (I don’t do it often), whereas in SVN I could just subtract one.