<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Security on HeidelSec</title><link>https://heidelsec.de/en/categories/security/</link><description>Recent content in Security on HeidelSec</description><image><title>HeidelSec</title><url>https://heidelsec.de/images/og.jpg</url><link>https://heidelsec.de/images/og.jpg</link></image><generator>Hugo -- 0.167.0</generator><language>en</language><copyright>2026 Imprint - Privacy Policy</copyright><lastBuildDate>Tue, 15 Sep 2026 10:00:00 +0200</lastBuildDate><atom:link href="https://heidelsec.de/en/categories/security/index.xml" rel="self" type="application/rss+xml"/><item><title>What does a security audit cost? How the price is formed – and what a good offer looks like</title><link>https://heidelsec.de/en/posts/2026-09-15-was-kostet-ein-security-audit/</link><pubDate>Tue, 15 Sep 2026 10:00:00 +0200</pubDate><guid>https://heidelsec.de/en/posts/2026-09-15-was-kostet-ein-security-audit/</guid><description>What drives the effort of a security audit, why a serious fixed price does not exist, and how to recognise a good offer.</description></item><item><title>Security Audit vs. Penetration Test: The Difference – and Which One Is the Right First Step</title><link>https://heidelsec.de/en/posts/2026-09-14-security-audit-oder-pentest/</link><pubDate>Mon, 14 Sep 2026 10:00:00 +0200</pubDate><guid>https://heidelsec.de/en/posts/2026-09-14-security-audit-oder-pentest/</guid><description>Security audit or penetration test – what is the difference, when does each make sense, and where should you start? An honest assessment.</description></item><item><title>What Does a Pentest Cost? How the Price Is Built Up – and What to Look for in a Proposal</title><link>https://heidelsec.de/en/posts/2026-09-14-was-kostet-ein-pentest/</link><pubDate>Mon, 14 Sep 2026 10:00:00 +0200</pubDate><guid>https://heidelsec.de/en/posts/2026-09-14-was-kostet-ein-pentest/</guid><description>Why there is no fixed price for pentests and security audits, which factors drive the cost, and how to recognise a serious proposal.</description></item><item><title>Ransomware: Will your backups hold up when it hits?</title><link>https://heidelsec.de/en/posts/2026-09-13-ransomware-backup-check/</link><pubDate>Sun, 13 Sep 2026 09:00:00 +0200</pubDate><guid>https://heidelsec.de/en/posts/2026-09-13-ransomware-backup-check/</guid><description>Ransomware targets your backups first. The 3-2-1 rule, the mistakes that happen most often – and a 5-minute check of your own defences.</description></item><item><title>Does NIS2 apply to you? The 5-minute check for your company</title><link>https://heidelsec.de/en/posts/2026-09-12-nis2-pflichtig-check-fuer-kmu/</link><pubDate>Sat, 12 Sep 2026 10:00:00 +0200</pubDate><guid>https://heidelsec.de/en/posts/2026-09-12-nis2-pflichtig-check-fuer-kmu/</guid><description>NIS2 affects far more companies than many expect. How to assess within five minutes whether your company falls in scope – and what to do next.</description></item><item><title>Understanding and Implementing DNSSEC Correctly</title><link>https://heidelsec.de/en/posts/2026-02-20-dnssec-verstehen-und-richtig-einsetzen/</link><pubDate>Fri, 20 Feb 2026 10:00:00 +0100</pubDate><guid>https://heidelsec.de/en/posts/2026-02-20-dnssec-verstehen-und-richtig-einsetzen/</guid><description>DNSSEC protects against DNS spoofing and cache poisoning. Learn how DNSSEC works, common mistakes, and how to implement it correctly.</description></item></channel></rss>