Category Archives: Free software

Your data is yours: backing up your Mastodon data to protect against server failures and account suspensions

Long-time readers of my blog will know that I am obsessed with backups and with keeping control over data that belongs to me. For example, in additional to a comprehensive backup system I built myself, I have an archive of (legally obtained) music files and movies because I don’t trust any of the cloud music… Read More »

Scripts for using Shamir’s Secret Sharing Scheme securely

The open-source package Shamir’s Secret Sharing Scheme, or “ssss” for short, allows a relatively short secret, for example, a password or passphrase, to be split into a specified number of shares in a way that allows the entire secret to be reconstructed from only a subset of the shares. For example, you can split a… Read More »

Taking your contacts with you when you switch jobs, without stealing from your former employer

I’ve worked almost entirely for startups for the past 30+ years. It’s what I love, but switching jobs a lot comes with the territory. One of the problems I face with each switch is how to take with me outside contacts I’ve made, without compromising my soon-to-be-ex-employer’s intellectual property. Sure, I’ve added some of them… Read More »

My one indispensable infosec management tool: a simple recurring task dashboard

There is one problem that every single information security / governance / risk / compliance (GRC) organization at every company has to deal with, and that’s keeping track of all the recurring tasks that you need to do to maintain your security and compliance and ensuring that they are done on time. I’m sure that… Read More »