Google Workspace / Gsuite – Use Authenticator/TOTP as 2FA without needing to register SMS or Physical Token

Introduction For some reason, users are forced to activate at least one 2FA method (SMS, token or cellphone alerts) before being allowed to activate TOTP (via Authenticator). SMS is an insecure method of 2FA, because telephone companies are usually susceptible to social engineering attacks that can transfer your number to an unauthorized user. If you…

GCP – Useful GCLOUD commands for IAM auditing

Here are a few helpful gcloud commands to see important IAM information! Run these in your cloud shell or from your own machine using Cloud SDK Just switch <id> with your organization’s id. All users added to any resource in the organization This can be used to detect things such as external users added to…

Pomerium – How to install on GKE, from zero to hero

Hello! I have been using (and loving) Pomerium Enterprise for the past few months. Do you have an application that doesn’t have adequate access control or logging? Then Pomerium is the tool for you. It is an incredibly powerful and versatile zero-trust proxy (and no, that’s not a buzzword in this case). This guide will…

Google Workspace – useful GAM commands for calendar privacy

I just had a problem where Google Calendar’s default privacy setting was changed to “freeBusy” but didn’t replicate to all users. Looking into it, the privacy change is only applied if the user hasn’t changed their calendar’s default settings. It’s not clear what settings influence this. Anyway, we needed to use GAM to fix the…

GSUITE / Google Workspace – How to transform a user account into a group and keep all e-mails

Edit (15/02): Thanks to hjkimbrian for warning that there is no way to backup emails from a group. Do you have user accounts in your org that are “shared” between your employees?If you do, that’s a big no no. Account sharing is a horrible practice and is basically a ticking clock to some security incident…

GCP – How to automatically export backups (MySQL and instances) to other places (AWS, Offline, etc…)

GCP has a pretty good backup system which is really easy to configure. For instances, you can schedule automatic snapshots and also convert theses snapshots to images whenever you want.For MySQL databases (not sure about the other types) you can schedule backups which are stored in a neat “full backup + incremental backups” to save…