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The Cipher Journal
@cipherjournal.bsky.social
2 followers 9 following 16 posts
Cyber Security and Network Administration
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Quality of Service (QoS)
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Quality of Service (QoS)
Picture a four lane motorway, but one lane has been cordoned off and marked ‘emergency services only’. The remaining three lanes can have a traffic jam, but ambulances and fire trucks will always get ...
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February 3, 2026 at 7:56 AM
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802.11k, 802.11v and 802.11r: The Holy Trinity of Roaming Standards
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802.11k, 802.11v and 802.11r: The Holy Trinity of Roaming Standards
802.11k, 802.11v and 802.11r: The Holy Trinity of Roaming Standards, The Cipher Journal
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January 29, 2026 at 7:37 AM
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Configuring Account Lockouts in Entra ID and Active Directory
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Configuring Account Lockouts in Entra ID and Active Directory
Configuring account lockout policies in Active Directory and Entra ID.
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January 27, 2026 at 1:30 PM
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Enable Entra ID Password Protection for Active Directory
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Enable Entra ID Password Protection for Active Directory
Entra ID is the home of Microsoft identities for an organisation, but often these identities come from an on-prem Active Directory. That syncronisation is often a one-way street; accounts go up to the...
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January 24, 2026 at 1:40 PM
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Secure Firewall Rules: 5 Principles to Increase Security thecipherjournal.org/secure-firew...
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Secure Firewall Rules: 5 Principles to Increase Security
Five principles to designing firewall rules that are secure by default.
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January 19, 2026 at 4:45 PM
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LLDP: Friend or Foe?
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LLDP: Friend or Foe?
A look at Link Layer Discovery Protocol, and whether it is more of a vulnerability than an asset.
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January 18, 2026 at 2:53 PM
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Mitigating Common Identity Attacks
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Mitigating Common Identity Attacks
A look at brute force, password spray and credential stuffing attacks, and the controls that can be put in place to stop them.
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January 17, 2026 at 4:29 PM
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Weekly Update #3 - 16/01/2026
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Weekly Post #3 - 16/01/2026
Weekly update post #3 - 16/01/26.
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January 16, 2026 at 7:31 PM
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Analysing Entra ID Sign-in Logs with Grafana
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Analysing Entra ID Sign-in Logs with Grafana
A tutorial on analysing Azure sign-in logs
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January 13, 2026 at 2:55 PM
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The Evolution of Identity Theft: Understanding ClickFix and ConsentFix
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The Evolution of Identity Theft: Understanding ClickFix and ConsentFix
A look at ClickFix and ConsentFix, two social engineering attacks targetting users, and ways of protecting against them.
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January 13, 2026 at 2:51 PM
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Whitelisting Chrome Extensions in Intune
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Whitelisting Chrome Extensions in Intune
A tutorial explaining how to whitelist extensions in Microsoft Endpoint Manager, in the wake of the recent Google Chrome vulnerability.
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January 9, 2026 at 11:52 AM
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Weekly Post #2 - 09/01/2026
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Weekly Post #2 - 09/01/2026
Weekly update blog post about MFA, site design in Publii and social media
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January 9, 2026 at 9:15 AM
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Rotating tcpdump Captures: Time-Limited Packet Captures
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Rotating tcpdump Captures: Time-Limited Packet Captures
A brief look at creating rotating packet captures with tcpdump on Linux.
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January 9, 2026 at 9:14 AM
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Session Hijacking: Methods and Mitigations
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Session Hijacking: Methods and Mitigations
In the last post I looked at all the different methods of multi factor authentication, and evaluated the strength of each type. Passkeys came out as a clear winner, as they mitigate both fake domains ...
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January 8, 2026 at 12:59 PM
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Evaluating Multi Factor Authentication Methods
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Evaluating Multi Factor Authentication Methods
It's 2026, and identity is the new perimeter. The Crowdstrike Global Threat Report 2025 focuses heavily on the identity and key methods used to compromise accounts. Sure, attackers and bots are still ...
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January 8, 2026 at 12:58 PM
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Email Security Basics: SPF, DKIM and DMARC
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Email Security Basics: SPF, DKIM and DMARC
I'm currently locked in a battle with a senior member of our organisation who is annoyed that someone they contact regularly at another organisation gets quarantined by our email security. Do you want...
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January 8, 2026 at 12:57 PM