Separation of Duties, Two-Person Control, (Principle of) Least Privilege and Need to Know

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Information Security has a number of foundational concepts, such as the Confidentiality, Integrity and Availability of information, information assets and services. In this article we’ll explore four key concepts that are good to understand to assist you in building and configuring secure systems and therefore protecting and improving the Confidentiality, Integrity and Availability of your … Read more

AWS with Python3 using Boto3 Quickstart (Linux)

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Following on from the https://www.geekmungus.co.uk/aws-cli-quick-start-linux guide, let’s see about how you can connect to your AWS from Python3 using Boto3. If you’ve not already done it, and if you’re not using the “default” credentials, you can specify a particular profile to use by adding it to an environment variable for example the below; where the … Read more

AWS CLI Quick Start (Linux)

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A quick guide to getting started with AWS CLI from your Linux machine. Amazon provide some good documentation (see links below), but I’ve summerised the key steps here for brevity. Install or Update the AWS CLI Firstly install the AWS CLI package with: Once installed, we now need to get the AWS CLI configured. Quick … Read more

Moving to Full Fibre (Dude, where’s my ‘phone?)

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So, finally BT Openreach had got round to installing fibre optic cabling to the local area to provide fibre optic based Internet. If you’re interested to know if you can get (or if not register your interest) by using the https://www.openreach.com/fibre-broadband site. You might ask, what do you mean fibre Internet? I already have fibre … Read more

Monitoring Interface Status on Palo Alto Firewall

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In this scenario I had a pair of Palo Alto Firewalls that were providing firewall services as a perimeter pair of firewalls acting in an active/passive cluster. Due to our internal network configuration, use of OSPF etc. the interfaces (ports) on the passive firewall were set to be down/disabled when that firewall was not active. … Read more

Microsoft Exchange 2016 – Version Store Out of Memory Error

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The Microsoft Exchange 2016 ESE database engine manages the database engine and database files that make up the Mailbox Databases on the Microsoft Exchange server; it reads and writes data to and from the database and manages the database files through background management tasks. The Exchange databases are based on the JET database engine and … Read more

Finding gMSA Accounts with Custom Search in ADUC

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To find gMSA (Group Managed Service) Accounts i.e. group managed accounts and if your ADUC doesn’t have this as an option you can use a “Custom Search” and click “Advanced”, then use the following string in the “Enter LDAP query:” https://www.mssqltips.com/sqlservertip/5340/using-group-managed-service-accounts-with-sql-server/