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Screenshot of Virus Total saying 14 out of 61 vendors believe the file is malicious.

A QBot near miss, and a look at what might have been

A look at some malware that would have been delivered to a colleague, but they noticed something dodgy was happening!

An orange rucksack with a gold padlock and labelled "go bag". In front is a torch / flashlight and some bottles of water.

A cyber security incident response "go bag"

I've heard this concept discussed before yet have failed to actually put one together. I started drafting this post back in October, when the concept came up again at a talk during (ISC)² Security Congress 2022 (day one, during "Incident Response Ready - Key Steps of a

(ISC)² Security Congress 2022 - day three

Security Congress 2022

(ISC)² Security Congress 2022 - day three

As Security Congress draws to a close, here's my notes on the final day.

(ISC)² Security Congress 2022 - day two

Security Congress 2022

(ISC)² Security Congress 2022 - day two

Having woken up earlier than planned, I spent time pre-keynote watching talks from Monday. Not all the sessions I was interested in were ready yet (we were told it could take 24 hours), so there will be more for me to look at. I won't write about catch

(ISC)² Security Congress 2022 - day one

Security Congress 2022

(ISC)² Security Congress 2022 - day one

Congress got off to a great start and included a heart-warming (and I'll be honest tear inducing) story from one of the speakers.

An image of a yellow sun with a yellow umbrella standing in yellow sand. Underneat the image it says "HolidayMode On".

home automation

Simulating presence with Home Assistant

How to make an automation to randomly turn on lights while you're away.

Early solar generation statistics

Early solar generation statistics

Looking at the first 60 days of my solar panel usage.

Photo showing the title "Charging from grid for self use" with options "Allow" and "Not Allow"

Solis Hybrid Inverter: charging from the grid

How to configure your Solis Hybrid Inverter to charge from the grid on schedule.

Four rectangular, dark blue, solar panels on a pale brown tiled roof.

Going solar

Installing solar panels has made a large difference to our energy bills, albeit we've essentially pre-paid for our energy.

Why "No change Friday"?

Why "No change Friday"?

Why can't we change things on a Friday?

Table with three green rows and one red. To the side is a blue box showing 168 tests passed, and 7 failed.

Developing tests

Developing tests: introduction

Testing software is important, and can validate that things work as planned (or at all). Let's look at software testing in more details.

When do you pay the ransom?

When do you pay the ransom?

Should you pay the ransom when attacked with ransomware? I don't think there's a clear cut answer to that...

White arrow pointing right, with two tails that merge at the head.

Be broad but specialise

You need to know more than just your area in order to be effective.

CISSP and (ISC)² membership (over) a year on

Back in September 2020 I took the training course and exam to become a CISSP - a Certified Information System Security Professional (you can read my blog post about the experience here [https://blog.jonsdocs.org.uk/2020/10/11/my-cissp-experience/]). Since then I've received regular news and

Grey crossroads.

Standing at a career crossroads

I'm considering my career at the moment, and hoping writing down my thoughts helps me work out my next move.

Setting up MTA-STS using AWS S3, CloudFront and AWS Certificate Manager

Mail Transfer Agent Strict Transport Security is a reasonably new protocol, that helps protect email you're being sent from interception. Here's how to set it up with AWS S3, CloudFront and Certificate Manager.

Setting up MTA-STS using Azure Static Web Apps

Mail Transfer Agent Strict Transport Security is a reasonably new protocol, that helps protect email you're being sent from interception. Here's how to set it up with Azure static web apps.

2021 in review

A look back at my 2021.

Hacktoberfest 2021

Hacktoberfest 2021

I didn't leave it to the last minute this year, woohoo! Ok, I'm kidding. As regular readers will know from posts about this [https://blog.jonsdocs.org.uk/tag/hacktoberfest/], Hacktoberfest is something I always end up leaving to the last minute. This year I started

Podcasts I listen to - 2021 edition

Podcasts I listen to - 2021 edition

An updated list of the podcasts I listen to, recommended for you.

Changing energy usage

Changing energy usage

A reflection on my household's energy usage.

(ISC)² Security Congress 2021 - the online experience

Security Congress 2021

(ISC)² Security Congress 2021 - the online experience

What was it like to actually attend a conference purely online?

(ISC)² Security Congress 2021 - day three

Security Congress 2021

(ISC)² Security Congress 2021 - day three

Rounding out the conference on day three with some fantastic speakers.

(ISC)² Security Congress 2021 - day two

Security Congress 2021

(ISC)² Security Congress 2021 - day two

Looking at my sessions on day two.

(ISC)² Security Congress 2021 - day one

Security Congress 2021

(ISC)² Security Congress 2021 - day one

My reflections on the first day of the (ISC)2 Security Congress conference.