git-secrets VS YubiKey-Guide

Well, this doesn't really happen at places that don't suck. They had no least privilege access to critical secrets and no processes (like pre-commit hooks using git-secrets) to prevent them being committed.

# macOS brew install git-secrets # Linux git clone https://github.com/awslabs/git-secrets.git cd git-secrets make install

You could use Git hooks to prevent someone from being able to author a commit when you suspect there is a secret being committed. In addition to this, you could also perform this check server-side, in case someone did not run their Git hooks for whatever reason. For example, check out git-secrets.

git-secrets

Install git-secrets. Go into each of your repos, scan for past mistakes, and add a git-commit hook:

I agree that code scanning is really important, the best way to convince others is to identify high-risk threats in source code and present them to the decision-makers. For example, scanning Secrets is great for showing how repositories can be a massive vulnerability and identifying some low-hanging fruit, especially in the git history. Attackers are really after git repository access for this reason and there are plenty of open-source or free tools that you can use to illustrate the problem. Git-Secrets, Truffle Hog. These aren't great for a long-term commercial solution, something like GitGuardian is a better commercial tool but if the goal is just to illustrate the problem then finding some high-value secrets with free tools is a good way to convince the security personnel to invest in some solutions. Then the door is open to having more conversations as you have already proven the risk.

I worked for a big startup last year and was on a contract deadline for integrating a vendor framework into a React Native app.

It was taking too long to get a new temp demo license key and GitHub search with clever filters helped me track down a demo key that was recently uploaded to a test repo.

This is also why I use git-secrets in my repos.

https://github.com/awslabs/git-secrets

Under the covers, it is simply looking up an 'ignore' list stored in YML during each scan. If you are building your own, you might also want to see how AWS Labs is doing it in their solution git secrets.

Instead, most people generate keypair(s) on an airgapped machine and write them to two Yubikeys. Or write subkeys to a single Yubikey and keep a backup in encrypted form. See https://github.com/drduh/YubiKey-Guide

I'd recommend using the Yubikey as a GPG smartcard[1]. The private key stays on the Yubikey. I also use it for ssh. But make sure you have a backup key or two, just in case the primary Yubikey gives out. FIDO2 and all other regular Yubikey functionality still works with it.

[1]: https://github.com/drduh/YubiKey-Guide

The excellent guide by drduh should be mentioned here: https://github.com/drduh/YubiKey-Guide — I've been using this approach for years to store my OpenPGP keys on Yubikeys and use them for SSH.

I don't generate my keys on devices. That lets me be flexible and keep backups, as well as use the same keys on multiple physical devices. Using a single yubikey is a bad idea, as you're bound to eventually lose it or break it. Hasn't happened to me yet in 5 years, but I expect it to happen.

I followed this guide to generate a master key and three subkey.

See https://github.com/drduh/YubiKey-Guide . Also google for OpenPGP card specifications, they will answer your question

Regarding GPG/SSH keys, there is a great howto: https://github.com/drduh/YubiKey-Guide

I'd be lying if I said I understood all of that. I'm definitely going to do some research ahaha. Someone else on this post sentence this like which they said was very good guide. https://github.com/drduh/YubiKey-Guide

When storing the key on a Yubikey, however, all you need is just the PIN in order to use the key. It can contain numbers, letters, symbols, etc. and can be quite long, so you can treat it as a passphrase for all intents and purposes. There are actually two PIN codes: one regular one, for a read access, and another administrative one, for write access for when you want to modify the gpg applet settings or the key on the Yubikey. There is also a limit to how many times in a row you can enter pins incorrectly, after which the gpg applet gets locked and the only thing you can do is reset it, erasing the PGP keys. See https://github.com/drduh/YubiKey-Guide for more information.

Try follow this guide from DrDuh https://github.com/drduh/YubiKey-Guide/blob/master/README.md