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41554 blogs · [ { "id": "01a087a3-6ec5-71c8-aef2-15e6c3b3e7ae", "title": "Eternal Alex Coefficient", "url": "https://me.costaskou.com/articles/eternal-alex-coefficient/", "published_at": "2025-12-21T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c445a0a3", "title": "How common is security.txt in financial services", "url": "https://me.costaskou.com/articles/securitytxt/", "published_at": "2025-10-16T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c4f51647", "title": "Using AWS Certificate Manager as a covert exfiltration mechanism", "url": "https://me.costaskou.com/articles/acmfs/", "published_at": "2025-08-13T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c530da9a", "title": "Why are you expiring my password?", "url": "https://me.costaskou.com/articles/why-password-rotate/", "published_at": "2025-05-14T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c55667e0", "title": "Using OpenStreetMap to plot Thing A and Thing B on a map", "url": "https://me.costaskou.com/articles/youngs-pubs-burgers/", "published_at": "2025-05-06T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c5b1c265", "title": "Redox keyboard after 6 years", "url": "https://me.costaskou.com/articles/my-redox-mechanical-keyboard-after-6-years/", "published_at": "2025-01-19T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c68d2c3e", "title": "Yet Another AWS IAM primer", "url": "https://me.costaskou.com/articles/yet-another-aws-primer/", "published_at": "2025-01-14T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c6da2dc4", "title": "A practical mnemonic for cybersecurity maturity", "url": "https://me.costaskou.com/articles/a-practical-mnemonic-for-cybersecurity-maturity/", "published_at": "2024-09-19T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c7620e03", "title": "Cross-account access in public cloud", "url": "https://me.costaskou.com/articles/cross-account-access-in-public-cloud/", "published_at": "2024-03-11T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c7e010f6", "title": "A day in Squid with ICAP", "url": "https://me.costaskou.com/articles/a-day-in-squid-with-icap/", "published_at": "2024-02-14T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c7f1e8b3", "title": "On trusting cloud vendors and insider threats", "url": "https://me.costaskou.com/articles/on-trusting-cloud-vendors-and-insider-threats/", "published_at": "2024-01-14T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c828693a", "title": "The website that sets the most cookies", "url": "https://me.costaskou.com/articles/the-website-that-sets-the-most-cookies/", "published_at": "2023-12-09T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c8556033", "title": "Enteprise problem solving", "url": "https://me.costaskou.com/articles/enterprise-problem-solving/", "published_at": "2023-11-27T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c893d703", "title": "Greek Keno Statistics", "url": "https://me.costaskou.com/articles/greek-keno-statistics/", "published_at": "2023-08-30T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c8acdf32", "title": "Race conditions in Cloud Security Posture Management", "url": "https://me.costaskou.com/articles/race-conditions-in-cspm/", "published_at": "2023-08-16T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6c9a0a258", "title": "From Medium.com to Zola", "url": "https://me.costaskou.com/articles/from-medium-com-to-zola/", "published_at": "2023-07-18T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6ca9e98bf", "title": "The shared responsibility of credential stuffing", "url": "https://me.costaskou.com/articles/the-shared-responsibility-of-credential-stuffing/", "published_at": "2023-01-17T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6cb8957f8", "title": "Querying and Visualising OctoDNS records with Neo4j", "url": "https://me.costaskou.com/articles/querying-and-visualising-octodns-records-with-neo4j/", "published_at": "2020-09-19T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6cc311787", "title": "The economics of credential stuffing attacks", "url": "https://me.costaskou.com/articles/the-economics-of-credential-stuffing-attacks/", "published_at": "2020-06-04T00:00:00+00:00" }, { "id": "01a087a3-6ec5-71c8-aef2-15e6cc901964", "title": "Build your own keyboard", "url": "https://me.costaskou.com/articles/build-your-own-keyboard/", "published_at": "2018-11-04T00:00:00+00:00" } ] posts Claim your blog
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me.costaskou.com

me.costaskou.com

2025

Eternal Alex Coefficientoriginal ↗
21 Dec 2025
How common is security.txt in financial servicesoriginal ↗
16 Oct 2025
Using AWS Certificate Manager as a covert exfiltration mechanismoriginal ↗
13 Aug 2025
Why are you expiring my password?original ↗
14 May 2025
Using OpenStreetMap to plot Thing A and Thing B on a maporiginal ↗
6 May 2025
Redox keyboard after 6 yearsoriginal ↗
19 Jan 2025
Yet Another AWS IAM primeroriginal ↗
14 Jan 2025

2024

A practical mnemonic for cybersecurity maturityoriginal ↗
19 Sept 2024
Cross-account access in public cloudoriginal ↗
11 Mar 2024
A day in Squid with ICAPoriginal ↗
14 Feb 2024
On trusting cloud vendors and insider threatsoriginal ↗
14 Jan 2024

2023

The website that sets the most cookiesoriginal ↗
9 Dec 2023
Enteprise problem solvingoriginal ↗
27 Nov 2023
Greek Keno Statisticsoriginal ↗
30 Aug 2023
Race conditions in Cloud Security Posture Managementoriginal ↗
16 Aug 2023
From Medium.com to Zolaoriginal ↗
18 Jul 2023
The shared responsibility of credential stuffingoriginal ↗
17 Jan 2023

2020

Querying and Visualising OctoDNS records with Neo4joriginal ↗
19 Sept 2020
The economics of credential stuffing attacksoriginal ↗
4 Jun 2020

2018

Build your own keyboardoriginal ↗
4 Nov 2018